SENA SF Series Motorcycle Bluetooth Communication System User Guide

June 12, 2024
Sena

SF Series Motorcycle Bluetooth Communication System

Product Information

The SF Series is a Bluetooth headset designed for use with
helmets. It features advanced audio distribution profile (A2DP) and
audio video remote control profile (AVRCP). With the SF Series,
users can pair their Bluetooth devices such as phones, GPS, and
SR10 for communication and music streaming. It also supports stereo
music and allows for three-way conference phone calls with intercom
participants. The package contents include the speaker SF1, wired
boom microphone, wired microphone, and other accessories.

Product Usage Instructions

Installing the SF Series on Your Helmet

To install the main unit:

  1. Push and hold the clamp kit’s tab upwards.

  2. While pushing the tab, insert the main unit into the clamp kit
    from the bottom.

  3. Release the tab to secure the main unit.

  4. Adjust the position of the main unit as desired.

To install the speakers:

  1. Attach the speakers to the helmet using the adhesive pads.
  2. Position the speakers inside the helmet ear pockets.
  3. Ensure that the speakers are securely attached and aligned with
    your ears.

To install the microphones:

  1. Choose between the wired boom microphone or the wired
    microphone, depending on your preference.

  2. Attach the chosen microphone to the helmet using the adhesive
    pad or hook-and-loop fastener.

  3. Position the microphone near your mouth for optimal audio
    pickup.

Pairing the SF Series with Bluetooth Devices

To pair a phone:

  1. Turn on the SF Series and put it in pairing mode.

  2. On your phone, enable Bluetooth and search for available
    devices.

  3. Select the SF Series from the list of devices.

  4. Follow the on-screen prompts to complete the pairing
    process.

To pair a second mobile phone, GPS, or SR10:

  1. Follow the same steps as above to pair the second device.

To pair for intercom communication:

  1. Turn on the SF Series and put it in intercom pairing mode.

  2. On the other SF Series device, put it in intercom pairing mode
    as well.

  3. Search for available intercom devices and select the desired SF
    Series device.

  4. Follow the on-screen prompts to complete the pairing
    process.

Stereo Music

To listen to Bluetooth stereo music:

  1. Pair your Bluetooth music device with the SF Series.
  2. Play music on your device and it will be streamed to the SF
    Series.

To share music with another SF Series user:

  1. Ensure both SF Series devices are paired and connected via
    intercom.

  2. Start playing music on one SF Series device.

  3. Press the designated music sharing button to share the music
    with the other SF Series device.

Three-Way Conference Phone Call with Intercom Participant

To initiate a three-way conference phone call:

  1. Ensure the SF Series is paired with your phone.

  2. Initiate an intercom call with the desired participant.

  3. During the intercom call, initiate a phone call to the third
    participant.

  4. Use the function priority settings to manage the audio between
    the intercom and phone calls.

Group Intercom

To initiate a group intercom:

  1. Ensure all SF Series devices are paired and connected via
    intercom.

  2. Select the desired SF Series device to act as the group
    leader.

  3. Initiate an intercom call with the other SF Series devices to
    establish the group intercom.

For more detailed instructions and troubleshooting, please refer
to the complete user’s guide available at www.sena.com.

SF SERIES
Motorcycle Bluetooth® Communication System

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1.2 km 0.8 mile

www.sena.com

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Multitasking
User’s Guide

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© 1998-2023 Sena Technologies, Inc. All rights reserved. Sena Technologies, Inc reserves the right to make any changes and improvements to its product without providing prior notice.
SenaTM is a trademark of Sena Technologies, Inc. or its subsidiaries in the USA and other countries. SF1TM, SF2TM, SF4TM, SFRTM, SRLTM, SRL2TM, SRL3TM, SRL-EXTTM, SRL-MeshTM, MomentumTM, Momentum INCTM, Momentum LiteTM, Momentum ProTM, Momentum INC ProTM, Momentum EVOTM, CavalryTM, Latitude SRTM, Latitude SXTM, Latitude S1TM, 30KTM, 33iTM, 50STM, 50RTM, 50CTM, 5STM, 5RTM, 5R LITETM, 20S EVOTM, 20STM, 10STM, 10CTM, 10C PROTM, ProRide EVOTM, 10C EVOTM, 10UTM, 10UpadTM, 10RTM, ACS10TM, ACS-RAMTM, C1TM, C10TM, CASTTM, 3STM, 3S PLUSTM, SMH5TM, SMH5-FMTM, SMH5 MultiComTM, SMH10TM, SMH10RTM, SPH10TM, SPH10H-FMTM, SavageTM, Prism Tube WiFiTM, PrismTM, Bluetooth Audio Pack for GoPro®, IMPULSETM, FURYTM, R1TM, R1 EVOTM, R1 EVO CSTM, R2TM, R2 EVOTM, R2XTM, M1TM, M1 EVOTM, RUMBATM, RC1TM, RC3TM, RC4TM, STRYKERTM, Handlebar RemoteTM, Wristband RemoteTM, PowerPro MountTM, PowerbankTM, FreeWireTM, WiFi Docking StationTM, WiFi Sync CableTM, WiFi AdapterTM, +meshTM, +Mesh UniversalTM, MeshPort BlueTM, MeshPort RedTM, MeshPort BlackTM, EconoTM, OUTLANDER MTM, OUTRUSHTM, OUTRUSH RTM, OUTSTARTM, OUTSTAR STM, OUTFORCETM, OUTRIDETM, OUTRUSH MTM, EcoComTM, Parani A10TM, Parani A20TM, Parani M10TM, piTM, SnowtalkTM, Snowtalk2TM, SR10TM, SR10iTM, SM10TM, SPIDER RT1TM, SPIDER ST1TM, X1TM, X1 ProTM, X1STM, EXPANDTM, EXPAND BOOMTM, EXPAND MESHTM, Bluetooth Mic & IntercomTM, TufftalkTM, Tufftalk LiteTM, Tufftalk MTM, NAUTITALK BosunTM, NAUTITALK N2RTM are trademarks of Sena Technologies, Inc. or its subsidiaries. These trademarks may not be used without the express permission of Sena.
GoPro® is a registered trademark of Woodman Labs of San Mateo, California. Sena Technologies, Inc. (“Sena”) is not affiliated with Woodman Labs. The Sena Bluetooth Pack for GoPro® is an after-market accessory specially designed and manufactured by Sena Technologies, Inc. for the GoPro® Hero3 and Hero4 allowing for Bluetooth capabilities.
The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by Sena is under license. iPhone, iPod touch are registered trademarks of Apple Inc. ZumoTM is a trademark of Garmin Ltd. or its subsidiaries. TomTomTM is the trademark or registered trademark owned by TomTom International B.V. Other trademarks and tradenames are those of their respective owners.

SF Series

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CONTENTS

1 INTRODUCTION ………………………………………………………………………………………….5
2 PACKAGE CONTENTS ………………………………………………………………………………..6
3 INSTALLING THE SF SERIES ON YOUR HELMET ………………………………………..7 3.1 Installing the Main Unit………………………………………………………………………………………………7 3.2 Installing the Speakers…………………………………………………………………………………………….10 3.3 Installing the Microphones……………………………………………………………………………………….10
4 GETTING STARTED…………………………………………………………………………………. 12 4.1 Button Operation…………………………………………………………………………………………………….12 4.2 Powering On and Off……………………………………………………………………………………………….12 4.3 Charging………………………………………………………………………………………………………………..12 4.4 Checking the Battery Level………………………………………………………………………………………13 4.5 Volume Adjustment …………………………………………………………………………………………………13 4.6 Muting the Microphone ……………………………………………………………………………………………13 4.7 Sena Softwares ………………………………………………………………………………………………………14
5 PAIRING THE SF SERIES WITH BLUETOOTH DEVICES……………………………. 14 5.1 Phone Pairing …………………………………………………………………………………………………………14 5.2 Second Mobile Phone Pairing – Second Mobile Phone, GPS, and SR10……………………….15 5.3 Intercom Pairing ……………………………………………………………………………………………………..16
6 MOBILE PHONE, GPS, SR10 ……………………………………………………………………. 17 6.1 Mobile Phone Call Making and Answering…………………………………………………………………17 6.2 Speed Dialing…………………………………………………………………………………………………………18 6.3 GPS Navigation………………………………………………………………………………………………………19 6.4 Sena SR10, Two-Way Radio Adapter ………………………………………………………………………..19
7 STEREO MUSIC ………………………………………………………………………………………. 20 7.1 Bluetooth Stereo Music ……………………………………………………………………………………………20 7.2 Music Sharing ………………………………………………………………………………………………………..20

8 INTERCOM………………………………………………………………………………………………. 21 8.1 Two-way Intercom …………………………………………………………………………………………………..21 8.2 Three-way Intercom ……………………………………………………………………………………………….21 8.3 Four-way Intercom ………………………………………………………………………………………………….23
9 THREE-WAY CONFERENCE PHONE CALL WITH INTERCOM PARTICIPANT ……………………………………………………………… 24
10 GROUP INTERCOM ………………………………………………………………………………… 26
11 UNIVERSAL INTERCOM…………………………………………………………………………… 26 11.1 Universal Intercom Pairing……………………………………………………………………………………….27 11.2 Two-way Universal Intercom …………………………………………………………………………………….27 11.3 Three-way Universal Intercom …………………………………………………………………………………28 11.4 Four-way Universal Intercom …………………………………………………………………………………..29
12 FM RADIO ………………………………………………………………………………………………. 31 12.1 FM Radio On and Off ………………………………………………………………………………………………31 12.2 Preset Stations………………………………………………………………………………………………………..31 12.3 Seek and Save ……………………………………………………………………………………………………….32 12.4 Scan and Save……………………………………………………………………………………………………….32 12.5 Temporary Preset ……………………………………………………………………………………………………33 12.6 Region Selection …………………………………………………………………………………………………….33
13 FUNCTION PRIORITY………………………………………………………………………………. 33
14 HEADSET CONFIGURATION SETTINGS…………………………………………………… 34 14.1 Mobile Phone Pairing ………………………………………………………………………………………………35 14.2 Second Mobile Phone Pairing ………………………………………………………………………………….35 14.3 GPS Pairing ……………………………………………………………………………………………………………36 14.4 Delete All Bluetooth Pairing Information …………………………………………………………………….36 14.5 Remote Control Pairing ……………………………………………………………………………………………36 14.6 Universal Intercom Pairing……………………………………………………………………………………….36

SF Series
14.7 Factory Reset …………………………………………………………………………………………………………37 14.8 Exit Voice Configuration Menu………………………………………………………………………………….37 15 SOFTWARE CONFIGURATION SETTINGS ……………………………………………….. 38 15.1 Assigning Speed Dial ……………………………………………………………………………………………..38 15.2 Headset Language …………………………………………………………………………………………………38 15.3 Setting Audio Source Priority (Default: Intercom)………………………………………………………..38 15.4 Enabling/Disabling Voice Activated Phone Answering (Default: Enable)……………………….38 15.5 Enabling/Disabling Voice Activated Intercom (Default: Disable)…………………………………..39 15.6 Enabling/Disabling HD Voice (Default: Enable) ………………………………………………………….39 15.7 Enabling/Disabling HD Intercom (Default: Enable)……………………………………………………..40 15.8 Enabling/Disabling Voice Prompts (Default: Enable) …………………………………………………..40 15.9 Enabling/Disabling RDS AF (Default: Disable) …………………………………………………………..40 15.10 Enabling/Disabling FM Station Guide (Default: Enable) …………………………………………..40 15.11 Advanced Noise ControlTM (Default: Always On) …………………………………………………….40 15.12 Enabling/Disabling Audio MultitaskingTM (Default: Disable) ……………………………………..41 15.13 Background Volume (Default: Level 5) …………………………………………………………………..42 15.14 VOX Sensitivity (Default: 3)……………………………………………………………………………………42 15.15 Sidetone (Default: Disable) …………………………………………………………………………………..42 16 FIRMWARE UPGRADE…………………………………………………………………………….. 42
17 TROUBLESHOOTING ………………………………………………………………………………. 43 17.1 Fault Reset……………………………………………………………………………………………………………..43 17.2 Factory Reset …………………………………………………………………………………………………………43

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1 INTRODUCTION
Thank you for choosing the Sena SF Series, Bluetooth Stereo Headset and Intercom. With the SF Series, you can call hands-free on your Bluetooth mobile phone or listen to stereo music or voice instructions of GPS navigations wirelessly. · SF4 is a Multi-way intercom headset. · SF1/SF2 is a Two-way intercom headset.
Please read this User’s Guide carefully before using the headset. Also check www.sena.com for the latest version of the User’s Guide and additional information related to Sena Bluetooth products.

· Audio MultitaskingTM · Built-in FM radio tuner with a station scan and save function · Music Sharing · Advanced Noise ControlTM · Microphone mute option · Universal IntercomTM · Group IntercomTM · HD quality crystal clear and natural sound · Firmware upgradeable · Water resistant

  • In open terrain ** Only available in SF4

The SF Series feature:
· Bluetooth 5.1 · SF4 Bluetooth intercom up to 1.2 kilometers (0.8 miles) · SF2 Bluetooth intercom up to 800 meters (880 yards) · SF1 Bluetooth intercom up to 100 meters (110 yards)* · Up to four-way intercom · Three-way conference phone call with intercom participant** · Sena Motorcycles App for iPhone and Android phones

Key Specifications: · Bluetooth 5.1 · Supporting profiles: Headset Profile, Hands-Free Profile (HFP),
Advanced Audio Distribution Profile (A2DP), and Audio Video Remote Control Profile (AVRCP).
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2 PACKAGE CONTENTS
· Headset Main Unit · Clamp Kit
· Glued Surface Mounting Adapter
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Speaker SF1
· Speakers
· Hook and Loop Fasteners for Speakers (2) SF2, SF4 · Speakers
· HD Speakers
· Hook and Loop Fasteners for Speakers (2)

Wired Boom Microphone
· Wired Boom Microphone · Hook and Loop Fastener for Boom Microphone · Microphone Sponges (2)
· Boom Microphone Holder · Hook and Loop Fastener for Holder
Wired Microphone
· Wired Microphone · Hook and Loop Fastener for Wired Microphone
Others
· USB Power & Data Cable (USB-C)

SF Series
3 INSTALLING THE SF SERIES ON YOUR HELMET
3.1 Installing the Main Unit 3.1.1 Installing the Clamp Kit to the Main Unit

  1. Push and hold the clamp kit’s tab upwards. While pushing the tab,
    insert the main unit into the clamp kit.
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2. Insert the back plate of the clamp kit between the internal padding and external shell on the left side of the helmet.

3.1.2 Using the Glued Surface Mounting Adapter for the Main Unit
If the clamp kit is not inserted into the helmet firmly, you can use the glued surface mounting adapter.
1. Make sure that the main unit is separated from the clamp kit. If not, push and hold the clamp kit’s tab upwards and remove the main unit from the clamp kit.

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2. While pushing the latch at the center of the clamp kit, push the back plate of the clamp kit outwards to remove it.
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4. Push and hold the clamp kit’s tab upwards. While pushing up the tab, insert the main unit into the clamp kit.

3. Align the glued surface mounting adapter and the back of the
clamp kit and slide the adapter into the clamp kit until you hear a click. Make sure that the glued surface mounting adapter fits the
back of the clamp kit’s grooves.

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5. Clean the area on the left side of the helmet where you will attach the glued surface mounting adapter with a moistened towel and dry thoroughly.

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6. Peel off the glued cover and attach the main unit on the left side 3. Connect the speaker cable to the speaker connector. of your helmet.

3.2 Installing the Speakers 1. Peel off each cover of the hook and loop fasteners for the speakers
to expose the adhesive surface. 2. Attach the fasteners to the ear pockets inside the helmet, and
then attach the speakers to the fasteners.
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3.3 Installing the Microphones
3.3.1 Using the Wired Boom Microphone 1. Peel off the cover of the hook and loop fastener for the wired
boom microphone to expose the adhesive tape. 2. Attach the hook and loop fastener on the inside surface of the
left external shell, and then attach the wired boom microphone’s mounting plate to the hook and loop fastener.
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3. Align the arrows on the main unit and microphone cables and 2. Attach the wired microphone to the hook and loop fastener for the

insert the microphone cable into the microphone connector.

wired microphone.

3.3.2 Using the Wired Microphone
1. Peel off the cover of the hook and loop fastener for the wired microphone to expose the adhesive tape. Then, attach the hook and loop fastener on the inside of the helmet’s chin guard.

3. Align the arrows on the main unit and microphone cables and insert the microphone cable into the microphone connector.

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4 GETTING STARTED

4.1 Button Operation
(+) Button · Increase volume · Track forward · Scan FM radio station · Speed dial

Center Button
· Answer and end a mobile phone call · Reject an incoming mobile phone call · Start and end intercom conversation · Play and pause Bluetooth stereo device · Enter into intercom pairing mode · Enter into voice configuration setting
(-) Button
· Decrease volume · Track back · Turn on/off FM tuner

4.3 Charging
You can charge the headset by connecting the USB Power & Data Cable (USB-C). The headset will be fully charged in about 1.5 hours. (The charging time may vary depending on the charging method.)
· Any 3rd party USB charger can be used with Sena products if the charger is approved by either the FCC, CE, IC, or other locally approved agencies.
· Use of a non-approved charger may cause fire, explosion, leakage, and other hazards which may also reduce the life time or performance of the battery.
· The headset is compatible with 5 V input USB-charged devices only.

4.2 Powering On and Off
To power on the headset, press the Center Button and the (+) Button at the same time for 1 second while hearing ascending beeps and a voice prompt, “Hello.” To power off the headset, tap the Center Button and the (+) Button at the same time while hearing descending beeps and a voice prompt, “Goodbye.”

or AC Adapter

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4.4 Checking the Battery Level
4.4.1 LED Indicator When the headset is powering on, the red LED flashes rapidly indicating the battery level.
4 flashes = High, 70 ~ 100% 3 flashes = Medium, 30 ~ 70% 2 flashes = Low, 0 ~ 30%
4.4.2 Voice Prompt Indicator
When you power on the headset, keep pressing the Center Button and the (+) Button simultaneously for about 5 seconds. Then you will hear a voice prompt indicating the battery level. However, if you release the buttons as soon as the headset turns on, you will not hear a voice prompt for the battery level indication.

4.5 Volume Adjustment
You can easily adjust the volume by tapping the (+) Button or the (-) Button. The volume is set and maintained independently at different levels for each audio source even when you reboot the headset. For example, once you set the volume for mobile phone hands-free, it will not change even if you adjust the volume for your Bluetooth MP3 music. However, if you adjust the volume during stand-by mode, it will affect volume levels of every audio source.
4.6 Muting the Microphone
To mute or unmute the microphone, press and hold the Center Button and the (-) Button for 1 second. When the microphone is muted, you will hear descending beeps every 10 seconds. When you unmute the microphone, you will hear ascending beeps and the microphone will be active.

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4.7 Sena Softwares
4.7.1 Sena Device Manager The Sena Device Manager allows you to upgrade the firmware and configure the device settings directly from your PC. Using this software, you can assign speed dial presets, FM radio frequency presets and more. It is available for both Windows and Mac. For more information on downloading the Device Manager, please visit www.sena.com.
4.7.2 Sena Motorcycles App
By simply pairing your phone with your headset, you can use the Sena Motorcycles App for quicker and easier set up and management.
· Download ­ Android: Google Play Store > Sena Motorcycles ­ iOS: App Store > Sena Motorcycles
NOTICE · This User Guide (Version 3.0.0 or higher) explains how to operate the
SF Series (SF1/SF2/SF4) with firmware version 3.0 or higher. · For operating the SF Series (SF1/SF2/SF4) with a firmware version
lower than 3.0, refer to the SF Series (SF1/SF2/SF4) User Guide that is available when you connect the SF Series (SF1/SF2/SF4) to the Motorcycles App.

5 PAIRING THE SF SERIES WITH BLUETOOTH DEVICES
Before using the SF Series Bluetooth headset with any other Bluetooth devices for the first time, you will need to pair them together. You can pair the SF Series with Bluetooth mobile phones, Bluetooth stereo devices such as MP3 players, or motorcycle specific Bluetooth GPS navigation, and with other Sena Bluetooth headsets. The pairing operation is required only once for each Bluetooth device. The headset remains paired with the devices and automatically reconnects to them when they are within range.
5.1 Phone Pairing There are three ways to pair the phone.
5.1.1 Initially Pairing the Headset The headset will automatically enter the phone pairing mode when you initially turn on the headset or in the following situation:
· Rebooting after executing Factory Reset; or · Rebooting after executing Delete All Pairings.

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1. Press and hold the Center Button and the (+) Button for 1 second until you hear a voice prompt, “Phone pairing.”
2. Search for Bluetooth devices on your smartphone. Select the Sena SF Series in the list of devices detected on your phone.
3. Enter 0000 for the PIN. Some mobile phones may not ask for the PIN.
Note: · The phone pairing mode lasts for 3 minutes. · To cancel phone pairing, tap the Center Button.
5.1.2 Pairing When the Headset is Turned Off 1. While the headset is off, press and hold the Center Button and the
(+) Button until you hear a voice prompt, “Phone pairing.” 2. Search for Bluetooth devices on your smartphone. Select the
Sena SF Series in the list of devices detected on your phone. 3. Enter 0000 for the PIN. Some mobile phones may not ask for the
PIN.

5.1.3 Pairing When the Headset is Turned On
1. While the headset is on, press and hold the Center Button for 10 seconds until you hear a voice prompt, “Configuration menu.”
2. By tapping the (+) Button, you will hear a voice prompt, “Phone pairing.”
3. Search for Bluetooth devices on your smartphone. Select the Sena SF Series in the list of devices detected on your phone.
4. Enter 0000 for the PIN. Some mobile phones may not ask for the PIN.
5.2 Second Mobile Phone Pairing – Second Mobile Phone, GPS, and SR10
Typical Bluetooth headsets can connect with only one Bluetooth device, but a second mobile phone pairing allows the headset to connect with another Bluetooth device such as a second mobile phone, an MP3 Player, or the Sena SR10, the Bluetooth adapter. 1. To enter the voice configuration menu, press and hold the
Center Button for 10 seconds until you hear a voice prompt, “Configuration menu.” 2. Tap the (+) Button until you hear a voice prompt, “Second mobile phone pairing.”

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3. Search for Bluetooth devices on your mobile phone. Select the Sena SF Series in the list of the devices detected on the mobile phone.
4. Enter 0000 for the PIN. Some mobile phones may not ask for the PIN.
5.3 Intercom Pairing Up to three other people can be paired with the headset for Bluetooth intercom conversations.
A

5.3.1 Using the Smart Intercom Pairing (SIP)

SIP allows you to quickly pair with your friends for intercom communication by scanning the QR code on the Sena Motorcycles App without remembering the button operation.

1. Pair the mobile phone with the headset.

2. Open the Sena Motorcycles App and tap Pairing Menu).

(Smart Intercom

3. Scan the QR code displayed on your friend (B)’s mobile phone.

· Your friend (B) can display the QR code on the mobile phone by tapping > QR code ( ) on the Sena Motorcycles App.

B

D

C

Pairing A & B

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4. Tap Save and check that your friend (B) is paired with you (A) correctly.
5. Tap Scan ( ) and repeat steps 3-4 to pair with Intercom Friends (C) and (D).
Note: The Smart Intercom Pairing (SIP) is not compatible with Sena products that use Bluetooth 3.0 or below.
5.3.2 Using the Button 1. Turn on the two headsets (A and B) that you would like to pair with
each other. 2. Press and hold the Center Button for 5 seconds, then you will hear
a mid-toned single beep and a voice prompt, “Intercom pairing.” 3. Simply tap the Center Button of any one of the two headsets
A or B and wait until the intercom connection is automatically established. The two headsets A and B are paired with each other for intercom conversation. If the pairing process is not completed within one minute, the headset will return to stand-by mode.

6 MOBILE PHONE, GPS, SR10
6.1 Mobile Phone Call Making and Answering 1. When you have an incoming call, tap the Center Button to answer
the call. 2. You can also answer the incoming call by loudly speaking any
word of your choice if Voice Activated Phone Answering (VOX Phone) is enabled, unless you are connected to intercom. 3. To end a call, press the Center Button for 2 seconds until you hear a mid-tone single beep, or wait for the called person to end the call. 4. To reject a call, press the Center Button for 2 seconds until you hear a beep while the phone is ringing. 5. There are several ways to make a phone call: ­ Enter numbers on your mobile phone’s keypad and make a call.
Then the call is automatically transferred to the headset. ­ In stand-by mode, press the Center Button for 3 seconds, to
activate the voice dialing of your mobile phone. For this, the voice dialing function must be available on the mobile phone. Refer to your mobile phone manual for further instruction.
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Note:
1. If you have two phones connected to your headset and you have an incoming call from the second phone during the call of the first phone, then you may still receive the call from the second phone. In this case, the call from the first phone is on waiting mode. If you end a call, then it will automatically guide you to the first phone call.
2. If you have a mobile phone and a GPS connected to your headset, you may not be able to listen to the GPS voice instruction during the phone call.

6.2 Speed Dialing

You can quickly make a phone call by using the voice speed dial menu.
1. To enter into the voice speed dial menu, press and hold the (+) Button for 3 seconds and you will hear a mid-toned single beep and a voice prompt saying “Speed dial.”
2. Tap the (+) Button or the (-) Button to navigate between the menus. You will hear voice prompts for each menu item.
3. Tap the Center Button to select a voice menu among the followings:

(1) Last number redial

(4) Speed dial 3

(2) Speed dial 1

(5) Cancel

(3) Speed dial 2

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4. After selecting the last number redial menu, you will hear a voice prompt, “Last number redial.” Then, to redial the last phone call number, tap the Center Button.
5. To call one of the speed dials, tap the (+) Button or the (-) Button to navigate between the menus until you hear a voice prompt saying “Speed dial (#).” Then, tap the Center Button.
6. If you want to exit the speed dial immediately, tap the (+) Button or the (-) Button until you hear a voice prompt saying “Cancel”, and tap the Center Button. If you do not press any button within 15 seconds, the SF Series will exit the voice speed dial menu and go back to stand-by mode.
Note: 1. Make sure that you connect the mobile phone and the headset to use the
speed dial function. 2. You need to assign speed dial numbers before using the speed dial
(please refer to section 15.1, “Assigning Speed Dial”).

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6.3 GPS Navigation
6.3.1 GPS Pairing
1. Turn on the headset and press the Center Button for 10 seconds until you hear high-toned double beeps. You will also hear a voice prompt saying “Configuration menu.”
2. Triple tap the (+) Button and you will hear a voice prompt saying “GPS pairing.”
3. Search for Bluetooth devices on the GPS navigation screen. Select the Sena SF Series in the list of the devices detected on the GPS.
4. Enter 0000 for the PIN. 5. The GPS confirms that pairing has completed and the SF Series
are ready to use. You will hear a voice prompt saying “Your headset is paired.” 6. If the pairing process is not completed within three minutes, the SF Series will return to stand-by mode.
Note: When Audio Multitasking is enabled, if you pair your GPS device via GPS Pairing, its instructions will not interrupt your intercom conversations, but will overlay with them.

6.3.2 GPS Pairing as Mobile Phone
If a GPS is not only used for turn-by-turn voice instructions but also is your preferred Bluetooth stereo music source, you can pair the GPS to the SF Series by following the simple procedures in 5.1, “Phone Pairing.” However, since some GPS systems support mobile phone bridging over Bluetooth, you can pair the mobile phone to the GPS to use your mobile phone. When you do this, the SF Series think the GPS is a mobile phone so you can no longer pair your mobile phone to the SF Series directly. Please refer to the user’s guide of your GPS for details.
6.4 Sena SR10, Two-Way Radio Adapter
You can use a two-way radio and an intercom conversation or a mobile phone call simultaneously by using the Sena SR10, a Bluetooth Twoway Radio Adapter (please refer to section 5.2, “Second Mobile Phone Pairing – Second Mobile Phone, GPS, and SR10”). The incoming audio from the two-way radio via SR10 is heard in the background while having an intercom conversation or a mobile phone call. You can listen to music, answer a mobile call, have an intercom conversation and use a two-way radio via the SR10 for group communication. Please refer to the SR10 User’s Guide for details.

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7 STEREO MUSIC
7.1 Bluetooth Stereo Music The Bluetooth audio device must be paired with the SF Series by following the “Phone Pairing” procedures described in the section 5.1. The SF Series support the Audio/Video Remote Control Profile (AVRCP), so if your Bluetooth audio device also supports the AVRCP, you can use the SF Series to remotely control music playback. Not only can you adjust the volume but you can also use functions such as play, pause, next track and previous track. 1. To play or pause music, press the Center Button for 1 second until
you hear a double beep. 2. To adjust the volume, tap the (+) Button or the (-) Button. 3. To track forward or track back, press and hold the (+) Button or
the (-) Button for 1 second until you hear a beep.

7.2 Music Sharing
You can start sharing music with an intercom friend using Bluetooth stereo music during a two-way intercom conversation. When you terminate music sharing, you can go back to the intercom conversation. To start or terminate sharing music, press the Center Button for 1 second during an intercom conversation. To track forward or track back, press and hold the (+) Button or the (-) Button for 1 second.
Note: 1. Both you and your intercom friend can remotely control music playback
such as track forward and track back. 2. Music sharing will be paused when you are using your mobile phone or
listening to GPS instructions. 3. Music sharing will be terminated if the SF4 starts a multi-way intercom
conference. 4. When Audio Multitasking is enabled, if an intercom call is made when you
are listening to music, music sharing will not work.

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8 INTERCOM
8.1 Two-way Intercom
8.1.1 Starting Two-way Intercom You can start an intercom conversation with one of any intercom friends by tapping the Center Button. Tap the Center Button once to intercom with the first intercom friend, tap the Center Button twice to intercom with the second intercom friend, and tap the Center Button three times to intercom with the third intercom friend.
8.1.2 Ending Two-way Intercom You can end an intercom conversation by using the Center Button. You can single tap to end intercom with the first intercom friend, double tap to end intercom with the second intercom friend, and triple tap to end intercom with the third intercom friend.

8.2 Three-way Intercom (SF4)
8.2.1 Starting Three-way Intercom
You (A) can have a three-way conference intercom with two other SF4 friends (B & C) by establishing two intercom connections simultaneously. While a three- way conference intercom is in progress, mobile phone connection of all three participants is temporarily disconnected. However, as soon as the conference intercom terminates or one of the participants leaves the intercom, all mobile phones automatically reconnect to their headsets. If you have an incoming mobile phone call during the conference intercom, terminate the conference intercom to automatically reconnect and receive the phone call.

1st intercom friend

2nd intercom friend

Start/End Two-way Intercom Conversation

3rd intercom friend

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1. You (A) need to be paired with two other friends (B & C) for threeway conference intercom.

Pairing

(A)

Pairing

3. You (A) can call the second intercom friend (C) by double tapping the Center Button, or the second intercom friend (C) may join the intercom by making an intercom call to you (A).
(A)

First Friend (B)

Second Friend (C)

2. Start an intercom conversation with one of the two friends in your intercom group. For example, you (A) may start an intercom conversation with the intercom friend (B). Or intercom friend (B) may start an intercom call with you (A).

First Friend (B)

Second Friend (C)

4. Now you (A) and two SF4 intercom friends (B & C) are having a three-way conference intercom.

(A)

First Friend (B)

Second Friend (C)

(A)

First Friend (B)

Second Friend (C)

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8.2.2 Ending Three-way Intercom
You can completely terminate the conference intercom or just disconnect an intercom connection with one of your active intercom friends.
1. Press the Center Button for 3 seconds until you hear a beep to terminate three-way conference intercom completely. It terminates both intercom connections with (B) and (C).
2. Tap or double tap the Center Button to disconnect intercom connection with one of the two intercom friends accordingly. For example, by single tapping the Center Button, you can terminate the intercom connection with just the first intercom friend (B). However, you still have the intercom connection with your second intercom friend (C).

Center Button Operation Press for 3 seconds Single tap Double tap

Result Disconnect (B) & (C)
Disconnect (B) Disconnect (C)

End Three-way Intercom

8.3 Four-way Intercom (SF4)
8.3.1 Starting Four-way Intercom
You can have four-way conference intercom with three other SF4 users by adding one more intercom participant to the three-way intercom. While you are having a three-way intercom as above in section 8.2, “Three-way Intercom (SF4)”, a new participant (D), who is an intercom friend of your intercom friend (C), may join the conference intercom by making an intercom call to your intercom friend (C). Please note that in this case, the new participant (D) is an intercom friend of (C), not of you (A).
8.3.2 Ending Four-way Intercom
As same in the case of three-way intercom, you can completely get out of the four-way conference intercom or just disconnect a single intercom connection.

  1. Press the Center Button for 3 seconds until you hear a beep
    to terminate four-way conference intercom. It terminates the intercom connections between you (A), and your intercom friends (B) and (C).

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2. Tap or double tap the Center Button to disconnect the intercom connection with one of the two intercom friends accordingly. However, when you disconnect the second friend (C) by double tapping the Center Button, you will be disconnected with the third participant (D) as well. This is because the third participant (D) is connected with you via the second friend (C).

Center Button Operation

Result

Press for 3 seconds

Disconnect (B), (C) & (D)

Single tap

Disconnect (B)

Double tap

Disconnect (C) & (D)

End Four-way Intercom

Note:
Multiple headsets are connected during multi-way intercom. With various signals interfering each other, the intercom distance of multi-way intercom is relatively shorter than that of two-way intercom.

9 THREE-WAY CONFERENCE PHONE CALL WITH INTERCOM PARTICIPANT (SF4)
1. When you have an incoming mobile phone call during an intercom conversation, you will hear a ring tone. You can choose whether to 1) answer the mobile phone call and stop the intercom conversation, or 2) reject the phone call and stay on the intercom conversation.

  1. To answer the phone call and stop the intercom conversation, tap the Center Button. The VOX Phone feature does not work if you are connected to intercom. When you hang up the phone call, the intercom will automatically be recovered.
  2. To reject the phone call and stay on the intercom conversation, press the Center Button for 2 seconds until you hear a beep.
    Unlike other motorcycle Bluetooth headsets, this prevents a user from being dropped out of an intercom conversation by an incoming mobile call.

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2. When you have an incoming intercom call during a mobile phone call, you will hear 4 high-toned beeps, alerting you that there is an incoming intercom call. You will also hear a voice prompt, “Intercom requested.” In this case, the intercom call does not override the mobile call because intercom has lower priority than mobile call. You have to hang up the mobile phone call to make or receive an intercom call.
3. You can have a three-way conference phone call by adding an intercom friend to the mobile phone conversation. During a mobile phone conversation, tap the Center Button to invite one of the intercom friends to the mobile phone line. To disconnect the intercom first and go back to your private mobile phone call, terminate the intercom by tapping the Center Button. To end the mobile phone call first and maintain the intercom conversation, tap the Center Button for 2 seconds, or wait for the person on the mobile phone line to end the call.

SF Series

Start End intercom first End phone call first

Tap the Center Button while having a mobile phone call
Tap the Center Button
Tap the Center Button for 2 seconds or
Wait for the called person to end the call

Start & End Three-way Conference Phone Call

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10 GROUP INTERCOM (SF4)

11 UNIVERSAL INTERCOM

Group Intercom allows you to instantly create a multi-way conference intercom with three other most recently paired headsets.
1. Go through intercom pairing with up to three headsets you want to have Group Intercom with.
2. Tap the (+) Button and (-) Button simultaneously to begin Group Intercom. The LED will flash green and you will hear a voice prompt, “Group intercom connected.”
3. To terminate Group Intercom, press the Center Button for 3 seconds during Group Intercom. You will hear a voice prompt, “Group intercom terminated.”

You can have an intercom conversation with non-Sena Bluetooth
headsets using the Universal Intercom function. Non-Sena Bluetooth
headsets can be connected to the Sena Bluetooth headset if they support the Bluetooth Hands-Free Profile (HFP).

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11.1 Universal Intercom Pairing
The headset can be paired with non-Sena Bluetooth headsets for Bluetooth intercom conversation. You can pair the headset with only one non-Sena Bluetooth headset so if you pair with a different nonSena Bluetooth headset, the previous pairing will be removed.
1. Turn on the headset and a non-Sena Bluetooth headset that you want to pair with.
2. Press and hold the Center Button for 10 seconds to enter the configuration menu. Tap the (+) Button or the (-) Button until you hear a voice prompt, “Universal intercom pairing.” Tap the Center Button to enter into Universal Intercom Pairing mode. Please refer to section 14.6, “Universal Intercom Pairing” for more details.
3. Perform the operation required for hands-free pairing on the non-Sena Bluetooth headset (refer to the User’s Manual for the headsets you want to use). The headset will automatically pair with a non-Sena Bluetooth headset when each are in pairing mode.

11.2 Two-way Universal Intercom
You can initiate the Universal Intercom connection with non-Sena Bluetooth headsets using the same intercom connection method as you would between other Sena headsets. You may single tap the Center Button to begin an intercom conversation with the first intercom friend, double tap with the second intercom friend, and triple tap with the third intercom friend.
Non-Sena Bluetooth headsets may initiate the Universal Intercom connection, by activating the voice dialer or using the redialing operation. You may also disconnect the existing connection by using the operation to end a call (refer to the User’s Manual for the headsets for voice dialer, redialing, and ending a call).

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11.3 Three-way Universal Intercom (SF4)
You may make a three-way Universal Intercom connection with two SF4s and one non-Sena Bluetooth headset. If the intercom connection is made, all headsets connected cannot use the mobile phone call function since the connection between the headset and the phone is disconnected temporarily. If you disconnect the intercom call, the mobile phone connection is made again automatically so that you can use a mobile phone call function.
1. You (A) need to be paired with a non-Sena Bluetooth headset (B) and another SF4 headset (C) for the three-way conference intercom.

Pairing

(A) Pairing

2. Start an intercom conversation with non-Sena Bluetooth headset (B) in your intercom group. For example, you (A) may start an intercom conversation with non-Sena Bluetooth headset (B). The non-Sena Bluetooth headset (B) may also start an intercom call with you (A).

(A)

(B)

(C)

3. The other SF4 (C) may join the intercom by making an intercom call to you (A).

(B)

(C)

(A)

(B)

(C)

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4. Now you (A), non-Sena Bluetooth headset (B), and the other SF4 (C) are having a three-way conference intercom.

(A)

(B)

(C)

5. You may disconnect three-way Universal Intercom using the same way as you do in normal three-way intercom. Please refer to section 8.2.2, “Ending Three- way Intercom.”

11.4 Four-way Universal Intercom (SF4)
You may make a four-way Universal Intercom connection with a couple of different configurations, 1) three SF4s and one non-Sena Bluetooth headset or 2) two SF4s and two non-Sena Bluetooth headsets.
You may have a couple of other Four-way Universal Intercom configurations, 1) your headset (A), a non-Sena Bluetooth headset (B), another SF4 (C), and a non-Sena Bluetooth headset (D), 2) your headset (A), a non-Sena Bluetooth headset (B), and two other SF4 headsets (C and D). You may make the four-way Universal Intercom call the same way as a normal four-way intercom call.

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11.4.1 Four-way Universal Intercom Case 1
Two SF4 headsets (A and C) and two non-Sena Bluetooth headsets (B and D). 1. You (A) may start an intercom conversation with the non-Sena
Bluetooth headset (B).

3. The non-Sena Bluetooth headset (D) may join the conference intercom by making an intercom call to the SF4 (C).

(A)

(C)

(A)

(C)

(B)

(D)

2. The other SF4 (C) may join the intercom by making an intercom call to you (A).

(B)

(D)

4. Now two SF4 headsets (A & C) and two non-Sena Bluetooth headsets (B & D) are connected with the four-way Universal Intercom.

(A)

(C)

(A)

(C)

(B)

(D)

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(B)

(D)

You may disconnect a four-way Universal Intercom using the same way as you do in a normal four-way intercom. Please refer to section 8.3.2, “Ending Four-way Intercom.”

English

11.4.2 Four-way Universal Intercom Case 2
Three SF4 headsets (A, C and D) and one non-Sena Bluetooth headset (B). The procedure is the same as case 1 described in section 11.4.1.

12 FM RADIO (SF4)

SF Series

(A) (B)

(C) (D)

12.1 FM Radio On and Off
To turn on the FM radio, press the (-) Button for 1 second until you hear a mid-toned double beep sound. You will then hear a voice prompt, “FM on.” To turn off the FM radio, press the (-) Button for 1 second until you hear a voice prompt, “FM off.” When you power it off, the SF4 will remember the last station frequency. When you power it on, the last station frequency will be playing.
12.2 Preset Stations
You can listen to preset stations while listening to the FM radio. Press the Center Button for 1 second to go upward to your next saved preset station.

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12.3 Seek and Save
“Seek” is the function that searches for station to station frequencies. To use the “Seek” function, please follow the procedure below: 1. Double tap the (+) Button or the (-) Button to search up or down
the station dial. 2. If the tuner finds a station while searching frequencies, it stops
the seek function. 3. To save the current station, press and hold the Center Button for
3 seconds until you hear a voice prompt, “Preset (#).” 4. Tap the (+) Button or the (-) Button in order to select which preset
number you want for that specific station. You can save up to 10 preset stations. (You may cancel the preset operation by waiting approximately 10 seconds. You will then hear “Save preset cancelled.” You can also tap the (+) Button or the (-) Button until you hear “Cancel.” Tap the Center Button to confirm cancellation. You will then hear “Save preset cancelled.”) 5. To save the current station, press the (+) Button for 1 second. You will then hear a voice prompt, “Save preset (#).” 6. To delete the saved station in the preset number, press the (-) Button for 1 second. You will then hear a voice prompt, “Delete preset (#).”
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Note: 1. You can save FM stations to presets before using FM radio. Connect the
SF4 to your PC and open the Sena Device Manager. It allows you to save up to 10 FM station frequency presets on the SF4 settings menu. You may do the same operation by using the Sena Motorcycles App. 2. You can still answer an incoming phone call and intercom while listening to the FM radio.
12.4 Scan and Save
“Scan” is the function that automatically searches station frequencies, starting from the current frequency and up. To use the scan function, please follow the procedures below: 1. Press the (+) Button for 1 second. Then the current station
frequency moves upward to find other station frequencies. 2. If the tuner finds a station, it stays at the station frequency for 8
seconds, then scanning to the next station frequency. 3. Scan function stops when you press the (+) Button for 1 second
again. 4. To save a station while scanning frequencies, tap the Center
Button at that station. You will hear a voice prompt, “Save preset (#).” The station will be saved as the next preset number. 5. All stations preset during “Scan”, will overwrite previously set stations.

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SF Series

12.5 Temporary Preset
With the temporary preset function, you may temporarily preset stations automatically without changing the existing preset stations. Tap the (+) Button three times to automatically scan for 10 temporary preset stations. The temporary preset stations will be cleared when the system is powered off.

12.6 Region Selection
You can select the proper FM frequency region from the Sena Device Manager. With the region setting, you may optimize the seek function to avoid unnecessary frequency ranges (factory default: worldwide).

Region Worldwide Americas
Asia Australia Europe
Japan

Frequency Range 76.0 ~ 108.0 MHz 87.5 ~ 107.9 MHz 87.5 ~ 108.0 MHz 87.5 ~ 107.9 MHz 87.5 ~ 108.0 MHz 76.0 ~ 95.0 MHz

Step ± 100 kHz ± 200 kHz ± 100 kHz ± 200 kHz ± 100 kHz ± 100 kHz

13 FUNCTION PRIORITY

The SF Series operate in the following order of priority:

(highest)

Mobile phone

Intercom

Music sharing by Bluetooth stereo music

Bluetooth stereo music

(lowest)

FM Radio*

*Only available in SF4
A lower priority function is always interrupted by a higher priority function. For example, stereo music is interrupted by an intercom call, and an intercom conversation is interrupted by an incoming mobile phone call.

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Note: If you select music as the audio source priority, the order of priority will change as below:

(highest)

Mobile phone

Bluetooth stereo music

Intercom

Music sharing by Bluetooth stereo music

(lowest)

FM Radio*

*Only available in SF4

14 HEADSET CONFIGURATION SETTINGS
You can set the configuration of the SF Series by the voice menu instruction described below. 1. To enter into voice configuration menu, press and hold the Center
Button for 10 seconds until you hear high-toned double beeps. You will also hear a voice prompt, “Configuration menu.” 2. Tap the (+) Button or the (-) Button to navigate between the menus. You will hear voice prompts for each menu item as below. 3. You can enable/disable a feature or execute a command by tapping the Center Button. 4. If no button is pressed within 10 seconds, the SF Series will exit the configuration and go back to stand-by mode. 5. If you want to exit the configuration immediately, tap the (+) Button or the (-) Button until you hear a voice prompt, “Exit”, and tap the Center Button.

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The voice prompt for each menu item is as below:

(1) Phone pairing (2) Second mobile phone pairing (3) GPS pairing (4) Delete all pairings

(5) Remote control pairing (6) Universal intercom pairing (7) Factory reset (8) Exit

Phone pairing Second mobile phone pairing
GPS pairing Delete all pairings Remote control pairing Universal intercom pairing
Factory reset Exit

SF Series

14.1 Mobile Phone Pairing

Voice Prompt Factory Default

“Phone pairing” N/A

To go into mobile phone pairing mode, tap the (+) Button or the (-) Button until you hear a voice prompt, “Phone pairing.” Please refer to section 5.1, “Phone Pairing” for details on mobile phone pairing. If you tap the (+) Button or the (-) Button, you can exit from the phone pairing mode.

14.2 Second Mobile Phone Pairing

Voice Prompt Factory Default

“Second mobile phone pairing”
N/A

To go into second mobile phone pairing mode, tap the (+) Button or the (-) Button until you hear a voice prompt, “Second mobile phone pairing.” Please refer to section 5.2, “Second Mobile Phone Pairing Second Mobile Phone, GPS, and SR10” for details on second mobile phone pairing. If you tap the (+) Button or the (-) Button, you can exit from the second mobile phone pairing mode.

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14.3 GPS Pairing

Voice Prompt Factory Default

“GPS pairing” N/A

To go into GPS pairing mode, tap the (+) Button or the (-) Button until you hear a voice prompt, “GPS pairing.” Please refer section 6.3.1, “GPS Pairing” for details on GPS pairing. If you tap the (+) Button or the (-) Button, you can exit from the GPS pairing mode.

14.4 Delete All Bluetooth Pairing Information

Voice Prompt Factory Default
Execute

“Delete all pairings” N/A
Tap the Center Button

To delete all Bluetooth pairing information of the SF Series, tap the (+)
Button or the (-) Button until you hear a voice prompt, “Delete all pairings”, and tap the Center Button to confirm.

14.5 Remote Control Pairing

Voice Prompt Factory Default
Execute

“Remote control pairing” N/A
Tap the Center Button

To enter into remote control pairing mode, tap the (+) Button or the (-)
Button until you hear a voice prompt, “Remote control pairing.” Then
tap the Center Button to enter into remote control pairing mode. The headset will automatically exit from the configuration menu.

14.6 Universal Intercom Pairing

Voice Prompt Factory Default
Execute

“Universal intercom pairing” N/A
Tap the Center Button

To enter into universal intercom pairing mode, tap the (+) Button or the
(-) Button until you hear a voice prompt, “Universal intercom pairing.”
Then tap the Center Button to enter into universal intercom pairing mode. The headset will automatically exit from the configuration menu.

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14.7 Factory Reset

Voice Prompt Factory Default
Execute

“Factory reset” N/A
Tap the Center Button

To restore factory default settings on the SF Series, tap the (+) Button
or the (-) Button until you hear a voice prompt, “Factory reset”, and tap the Center Button to confirm. The SF Series power off with a voice
prompt, “Headset reset, goodbye.”

14.8 Exit Voice Configuration Menu

Voice Prompt

“Exit”

Factory Default

N/A

Execute

Tap the Center Button

To exit voice configuration menu and get back to stand-by mode, tap
the (+) Button or the (-) Button until you hear a voice prompt, “Exit”, and tap the Center Button to confirm.

SF Series

Tap (+) Button or (-) Button

Tap Center Button

Phone Pairing

None

Second Mobile Phone Pairing

None

GPS Pairing

None

Delete All Pairings

Execute

Remote Control Pairing

Execute

Universal Intercom Pairing

Execute

Factory Reset

Execute

Exit

Execute

Voice Configuration Menu & Button Operations

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15 SOFTWARE CONFIGURATION SETTINGS

Note: Audio Source Priority is active only when Audio Multitasking is disabled.

In addition to the headset configuration menu, you can change the settings of the SF Series through the Sena Device Manager or the Sena Motorcycles App.
15.1 Assigning Speed Dial Assign phone numbers for speed dialing to make a phone call quickly.
15.2 Headset Language You can select the device language. The selected language is maintained even when the headset is rebooted.
15.3 Setting Audio Source Priority (Default: Intercom) Audio Source Priority allows you to select the priority between the intercom and music (which includes GPS app instructions and message notifications) from a smartphone. If the intercom is selected as the audio source priority, your music will be interrupted during an intercom conversation. If music is selected as the audio source priority, intercom conversations will be interrupted while your music is heard.

15.4 Enabling/Disabling Voice Activated Phone Answering (Default: Enable)
If this feature is enabled, you can answer incoming calls by voice. When you hear a ringtone for an incoming call, you can answer the phone by saying a word such as “Hello” loudly or by blowing air into the microphone. VOX phone is temporarily disabled if you are connected to intercom. If this feature is disabled, you have to tap the Center Button to answer an incoming call.

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15.5 Enabling/Disabling Voice Activated Intercom (Default: Disable)
If this feature is enabled, you can initiate an intercom conversation with the last connected intercom friend by voice. When you want to start intercom, say a word such as “Hello” loudly or blow air into the microphone. If you start an intercom conversation by voice, the intercom terminates automatically when you and your intercom friend remain silent for 20 seconds. However, if you manually start an intercom conversation by tapping the Center Button, you have to terminate the intercom conversation manually.
However, if you start intercom by voice and end it manually by tapping the Center Button, you will not be able to start intercom by voice temporarily. In this case, you have to tap the Center Button to restart the intercom. This is to prevent repeated unintentional intercom connections by strong wind noise. After rebooting the headset, you can start intercom by voice again.

15.6 Enabling/Disabling HD Voice (Default: Enable) HD Voice allows you to communicate in high-definition during phone calls. This feature increases the quality so that the audio will be crisp and clear during phone call conversations. If this feature is enabled, incoming phone calls will interrupt intercom conversations and audio from the SR10 will not be heard during intercom conversations. ThreeWay Conference Phone Call with Intercom Participant will not be available if HD Voice is enabled.
Note: 1. Refer to the manufacturer of your Bluetooth device that will be connected
to the headset to see if it supports HD Voice. 2. HD Voice is active only when Audio Multitasking is disabled.

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15.7 Enabling/Disabling HD Intercom (Default: Enable) HD Intercom enhances the two-way intercom audio from normal quality to HD quality. HD Intercom will become temporarily disabled when you enter into a multi-way intercom. If this feature is disabled, the two-way intercom audio will change to normal quality.
Note: 1. The intercom distance of HD Intercom is relatively shorter than that of
normal intercom. 2. HD intercom is active only when Audio Multitasking is disabled.
15.8 Enabling/Disabling Voice Prompts (Default: Enable) You can disable voice prompts by software configuration settings, but the following voice prompts are always on. ­ Voice prompts for headset configuration settings menu ­ Voice prompts for battery level indicator ­ Voice prompts for speed dial ­ Voice prompts for FM radio functions

15.9 Enabling/Disabling RDS AF (Default: Disable) (SF4) RDS AF allows a receiver to re-tune to the second frequency location when the first signal becomes too weak. With RDS AF enabled on the receiver, a radio station with more than one frequency can be used.
15.10 Enabling/Disabling FM Station Guide (Default: Enable) (SF4)
When FM Station Guide is enabled, FM station frequencies are given by voice prompts as you select preset stations. When FM Station Guide is disabled, the voice prompts on FM station frequencies will not be given as you select preset stations.
15.11 Advanced Noise ControlTM (Default: Always On) The background noise is reduced during an intercom conversation.

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15.12 Enabling/Disabling Audio MultitaskingTM (Default: Disable)
Audio Multitasking allows you to hear the audio from two features simultaneously. When Audio Multitasking is enabled, phone calls, GPS instructions and intercom conversations can be overlaid with audio from the FM radio, music or GPS app instructions from a smartphone in the background with reduced volume. Increasing or decreasing the volume of the audio in the foreground will also increase or decrease the volume of the overlaid audio in the background. The volume of the foreground audio can be adjusted using the headset. How much background audio that is heard can be adjusted using the Sena Motorcycles App. HD Intercom, HD Voice, and Audio Source Priority become disabled temporarily when Audio Multitasking is enabled.

Model

Foreground*

Phone OA

GPS OA

Intercom

Background**

FM

Music or

Radio Smart Navi

O

O

SF4

OB

O

OB

OC

OC

O

OA

OA

O

O

SF1/SF2

OB

OB

OC

O

Foreground and Background Combination Table

  • Two audio sources in the foreground can be heard simultaneously with the same volume level.
    ** Only one background source can be heard at a time while listening to an audio source in the foreground.
    A. GPS instructions can be heard during phone calls and the volume level of both audio sources can be adjusted using the headset.
    B. GPS app directions will be heard in the background during intercom conversations.
    C. The FM radio will be heard in the background when GPS instructions are heard.
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Note: 1. Audio Multitasking will be activated during two-way intercom
conversations with a headset that also supports this feature. 2. When Audio Multitasking is disabled, the background audio source will
return to its independent volume level. 3. For Audio Multitasking to work properly, you need to power the headset
off and on. Please restart the headset. 4. Some GPS devices may not support this feature.

16 FIRMWARE UPGRADE
The SF Series support firmware upgrades. You can update the firmware using the Sena Device Manager.

15.13 Background Volume (Default: Level 5) The Background Volume can be adjustable only when the Audio Multitasking turns on. Level 9 is the highest volume and 0 is the lowest.
15.14 VOX Sensitivity (Default: 3) VOX Sensitivity can be adjusted depending on your riding environment. Level 5 is the highest sensitivity setting and level 1 is the lowest.
15.15 Sidetone (Default: Disable) Sidetone is audible feedback of your own voice. It helps you to naturally speak at the correct level according to varying helmet noise conditions. If this feature is enabled, you can hear what you are speaking during an intercom conversation or a phone call.
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17 TROUBLESHOOTING
17.1 Fault Reset When the SF Series are not working properly or is in faulty status for any reason, you may reset by gently pushing the pin-hole reset button on the back of the main unit. Insert a paper clip into the reset pin- hole and press the reset button for a second with light pressure. The SF Series will be switched off. Restart the system and try again. This will not restore the headset to factory default settings.
17.2 Factory Reset If you want to restore the headset to factory default settings, use the Factory Reset in the configuration menu. The headset automatically restores the default settings and turns off. Please refer to section 14.7, “Factory Reset” for more details.

SF Series
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3.1.0
www.sena.com

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