How To Use LEXIN-B4FM? User Guide
- June 3, 2024
- LEXIN
Table of Contents
How To Use LEXIN-B4FM?
Download User Manual Online
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Function Introduction
Thank you for choosing the B4FM Motorcycle 10-Way Bluetooth Conterence Intercom.
- Bluetooth 5.0
- Hands-free calling
- Built-in CVC/DSP noise reduction
- Type-C UsB quick charge equipped
- Support voice prompts, power voIce announcement
- Support Siri and other voice assistants
- Support universal pairing with most Bluetooth Intercom
- Support 1-10 B4FM devices connection, the longest intercom distance is 2Km/1.2miles.
- Connect to GPS Navigation
- Plays music and FM Radio
- Support Music Sharing
The B4FM is compliant with Bluetooth Specification V5.0 supporting the
following profiles:
Headset Profile (HSP), Hands-Free Profile (HFP), and Advanced Audio
Distribution
Protile (A2DP). It supports universal pairing with almost all Bluetooth
headsets on the market.
Battery
The B4FM features an 800 mAh battery which can provide the intercom device
with 15 hours of music or 15 hours of intercom talk with over one week of
standby time.
Function Priority: (The B4FM operates in the following order of priority)
- Mobile phone
- Intercom Talk
- Music/FM Radio/GPS
Note: A lower-priority function is always interrupted by a higher- priority function. For example, stereo music can be interrupted by an intercom call, intercom talk can be
interrupted by an incoming phone call.
WARNING
PLEASE CHECK ALL LOCAL LAWS AND REGULATIONS REGARDING THE USE OF IN-HELMET
SPEAKERS WHILE OPERATING MOTORIZED VEHICLES.
Package Contents
- B4FM Main Unit
- 36mm HD Ultra-Slim Speakers
- Boom/Button Microphones
- Boom Microphone Holder
- Mounting Bracket
- Clamp Plate
- Add on Mounting Pad
- 3M Tape Bracket
- User Manual/Quick Start Guide
- Type C USB Cable
- Speaker Pad
- Allen Wrench & Screws *4
- Rubber Pad for Clamp Plate
- Dismounting Stick
Installation Instructions
Installing Bracket for B4FM to Helmet
-
With Screws
Mount the bracket between the internal padding and external shell of the helmet.
Tighten the two screws between the bracket and Mounting Pad by using the included Allen wrench.
Note: Depending on the size and shape of your helmet, you may need to add a extra rubber pad which is between the clamp plate. You can find a extra rubber pads in the box. To increase the overall thickness,attach another pad to the original rubber pad.
In the same way, we can increase the thickness of the other side of the clamp plate with the Add on Mounting Pad, and you need to use the longer screws to install it on helmet. -
With Adhesive Pad
If you don t want to use clamp plate mounting bracket or you have some problems with using it, you can use the 3M tape bracket to adhere it onto the helmet. Just peel off the protective backing sheet of the 3M tape bracket and adhere the bracket onto the helmet. Press for 15s and allow the glue dry for 24 hours.
Note: Even though the 3M Tape bracket is provided for convenience, LEXIN recommends using the bracket mounting. The 3M Tape bracket is offered as an option that you may use at your own risk and responsibility, LEXIN does not assume any responsibility for use of it.
Mounting the B4FM Unit to Bracket
Mount the B4FM main unit on the bracket. Slide the main unit down onto the bracket until it clicks firmly into the bottom portion of the bracket.
To remove the main unit from the bracket, use the Dismounting Stick to insert it between B4FM unit and the mounting bracket, then push the B4FM main unit up from the bracket.
Installing Speakers
Note: The speaker with the shorter wire is for the letft ear and the
speaker with the longer wire is for the right ear, this will enhance the FM
radio reception as well.
Step 1: Place the one half of the speakers velcro pad into the helmets
inner padding
Step 2: Push the speakers firmly against the velcro pads. If the helmet
has deep ear pockets, you can use the provided spacers to place the speakers
closer.
Step 3: Hide the wires between the helmet liner and shell.
Note: We equipped with extra speaker pads, there may be some helmets with deep speaker pocket, so you can add the extra speaker pads to increase the thickness of the speakers to make the speakers closer to you ears
Installing Microphone
Note: The button microphone and boom microphone can be interchanged
between full-face or open-face helmet. Choosing between the two is based on
your preference and what fits best in the helmet(s).
Full Face Helmet/Button Microphone
Step 1: Locate an area in the center of the mouth section of the helmet
to install and adhere half of the microphone velcro pad.
Step 2: Attach the button microphone to the attached velcro.
Step 3: Connect it to the headphone connector from the left.
Open Face Helmet/Boom Microphone
Step 1: Adhere one half of the velcro pad to the base of the microphone
and the other half to inside of he helmet under padding.
Step 2: Adjust the direction of the microphone so that the triangular mark on the microphone is pointing towards your mouth.
Step 3: Use the boom microphone holder for additional support to the microphone if necessary.
General Operation Instructions
Powering On/Off
Power On: Long press the Power Button and Intercom Button for about Is to
power on. The LED will blink blue only. Voice report “Power on and the current
battery life.
Power Off: Long press the Power Button and Intercom Button for about 1s to power off. The LED will blink red only. Voice prompt “Power off”.
Battery
Charging: Plug the micro USB cable into Type-C port to charge by any DC 5V
power supply, such as mobile phone charger, computer, laptop or power bank,
Etc. The LED turns red while charging, and then turns blue when the main unit
is fully charged.It takes about 3 hours to be completely charged.
Low Battery Alert: The device will notify you when the battery life drops low
(below 30%). It will remind you every 5 minutes with a voice alert until the
device powers oft.
This indicates around 1-1.5h of use remains. It will automatically shut down
when the battery is below 20%.
Battery Life Prompt: Every time you turn on the unit, it will automatically
report the current battery life.
While in standby mode, long press the Down Button for about 1s, the B4FM
device will prompt the current battery lite
Note: It will report one of five levels: 100%, 80%, 50%, 30%, LOVw.
Pairing B4FM with Bluetooth Devices
Note: In the group intercom mode, one LX-B4FM device can connect up to two LX-B4FM devices and one mobile phone at the same time. It can automatically connect to your last paired device as long as Bluetooth is enabled or when the device is not connected and is in standby mode, click the Power Button to connect to the Bluetooth device.
Pairing Phone
Step 1: While Powered off, long press the Power Button for about 5s until
the LED light flash blue and red alternately to enter pairing mode;
Step 2: Go to Bluetooth settings on your phone. Select “LX-B4FM”, Some mobile phone may need PIN. Enter “0000” for the PIN if needed;
Step 3: Please confirm your phone if the pairing is complete;
Note: The LED will blink blue on B4FM device which indicate the
connection is complete.
Pairing Bluetooth GPS Navigation
Step 1: While powered off, long press the Power Button for about 5s until the LED light flash blue and red alternately to enter pairing mode;
Step 2: Follow pairing instructions for your specific GPS Navigation to
connect to 34F
Note: You will be able to listen to Bluetooth voice instructions from
Bluetooth GPS navigation once paired.
Volume and Music Controls
Volume Up/Down: Long Press the Volume Up or Down Button, and it will prompt
both when volume is maximum and minimum.
Note:
- Only when in the music playing mode/FM Radio Mode/Intercom Mode/Phone Call status that you can adjust the volume.
- When listen to the audio sources from your phone, you have to adjust the volume on your phone to get louder volumes.
- Please single click the volume button to adjust the volume gradually, and long press the voume button to adjust the volume continuously.
Pause/Play: Click the Power Button to pause a song, click the Power Button again to resume playing
Change Song: Double click the Up Button for next song, double click the Volume Down Button for the previous song
Music Sharing: A B4FM device (A) that is playing music can share music to another B4FM device (B). When device A is playing music, double click Power Button on
device A to enter music-sharing mode. Then make sure device B is in standby state,double click Power Button on device B to search and connect device A, it will play
the same music automatically once connected.
Stop Music Sharing: To quit music sharing mode, double click Power Button on either B4FM device.
Phone Calls
Answer Call: Click the Power Button to answer when phone call is coming
Auto Answer: Answer the incoming call automatically within 12s when phone
call is coming
Preset On/Off Automatic Answering: With power on state, long press the Up
Button for about 5s, the blue light flashes 3 seconds, indicating that
automatic answering is on, or the red light flashes 3 seconds, indicating that
it is off.
End Call: Click the Power Button to end the cal.
Decline Call: Double click the Power Button to reject the call.
Redial: When in standby mode, double click the Up Button, the last phone call will redial.
Voice Dial: While the device was paired with your phone, double click the Down Button to activate Siri or S-Voice. Simply speak the name from your phone list to dial.
FM Radio
On/Off:
Turn On FM Radio: Long press Power Button tor about Is to enter radio
function.
Turn Oft FM Radio: When the radio is on, Long press Power Button for
about Is too end radio function.
FM Radio Station Search:
Turn up: Double click the Down Button, the voice will prompt to adjust
the radio station upwards.
Turn down: Double click the Up Button, and the voice will prompt to
adjust the radio station downward.
Store up to 6 FM Radio Stations: In FM radio mode, when a favorite
station is found, double click the Power Button to save it and there will be a
tone to prompt.
Support storing up to 6 FM radio stations. Once 6 stations have been saved,
saving new station will overwrite the oldest saved station. Click the Power
Button to cycle through the saved station.
Universal Pairing
To enter pairing mode
Step 1: With power on state, long press the Intercom Button for about ls
until the LED begins flashing blue and red alternately;
Step 2: Follow your other Bluetooth device pairing instructions to enter pairing mode;
Step 3: Click the Intercom Button on B4FM to search the other device and
the LED light will flash blue and red quickly. After the pairing is complete,
the LED light
returns to the blue light flashing slowly;
Step 4: To initiate universal intercom, click the Up Button and Down
Button together to initiate intercom talk,
Step 5: Click the Power Button to end the intercom talk.
Intercom Connection
B4FM Bluetooth headsets uses full-duplex Bluetooth intercom talk, pairing group internal intercom, divided into 4-way intercom mode and multi-way intercom mode,multi-way intercom mode can achieve up to 10 riders to be connected.
Note: Prior to pairing units for communications before riding, we
strongly suggest that existing connections be cleared trom unit. To clear
existing connections, long press the Up and Down Button together for about ls
until the red LED flashes quickly, all previous connections will be cleared
from the unit.
Every time you turn on the B4FM device, the default is 4-way intercom mode,
and to switch into the multi-way intercom mode which is for more than five
riders (including five riders), in the standby state, you need to long press
Power Button for about 8s, there will be a beep and the indicator light
flashes red quickly at the same time. There is no memory function for this
operation, the default 4-way intercom mode is used every time you turn on the
device, and you need to long press the Power Button for about 8s to switch it
into mutil-way intercom mode every time when you need it.
For the 4-way intercom pairing method, please refer to the first four pairing operation methods of group intercom pairing.
Group Intercom Connection
Step 0(2-Way Pairing): Use the Intercom Button to pair 2 B4FM devices Power on
two B4FM units. Long press the Intercom Button on both two units about 1s. LED
of both two units will flash red and blue alternately which indicate they
enter pairing mode.
Click the Intercom Button on either unit to search and pair the other unit, the LED light flash blue quickly. Once pairing is complete, the LED will blink blue slowly on both two units.
Note: If you only need to pair two B4FM devices, you only need to
complete Step 0, you can ignore the following steps and skip to Page 16 on how
to start intercom talk.
Step (3-Way Pairing): Use the Intercom Button and Down Button to pair the
third B4FM device.
Power on both the second B4FM unit and the third B4FM unit. Long press the
Intercom Button and Down Button on both two units about Is. The LED of both
two units will lash red and blue alternately which indicate they enter pairing
mode.
Click the Intercom Button on either unit to search and pair the other unit, the LED light flash blue quickly. Once pairing is complete, the LED will blink blue slowly on these three units.
After pairing is and complete, voice LED prompt of these pairing three units completed. will flash blue slowly
Note: If you only need to pair three B4FM devices, you only need to
complete step 2), you can ignore the following steps and skip to Page 16 on
how to start intercom talk.
Step3 (Four-way Pairing): Use the Intercom Button to pair the fourth B4FM
device
On the standby mode, long press the Intercom Button on the third and the
fourth units about one second, the voice will prompt “pairing, then the LED
light on both two units will flash red and blue alternately which indicate
they are entering pairing mode.
Click the Intercom Button on either unit to search and pair the other unit, the LED light flash blue quickly. Once pairing is complete, the LED will blink blue slowly on these four units.
After pairing is complete, LED of these four units will flash blue slowly and voice prompt pairing completed.
Note: If you only need to pair four B4FM devices, you only need to
complete Step@, you can ignore the following steps and skip to Page 16 on how
to start intercom talk.
Every time you turn on the B4FM device, the default is 4-way intercom mode,
and to switch into the multi-way intercom mode which is for more than five
riders (including five riders), in the standby state, you need to long press
Power Button for about 8s, there will be a beep and the indicator light
flashes red quickly at the same time. There is no memory function for this
operation, the default 4-way intercom mode is used every time you turn on the
device, and you need to long press the Power Button for about 8s to switch it
into mutil-way intercom mode every time when you need it.
For the 4-way intercom pairing method, please refer to the first four pairing operation methods of group intercom pairing.
Step@(Group Pairing): Please refer to the picture below and repeat the following steps to pair with more than five B4FM devices.
Note: Each B4FM device can only be paired with two other B4FM devices at
the same time, that means, we pair the unit one after another in series to
realize multiple group connections. For example, if unit three is paired with
unit two and unit four, and it will not be able to pair with other devices.
start the intecom talk: After completing the pairing, click the Intercom
Button on one of the two units to start an intercom talk. When in intercom
mode, the LED light will blink blue and red simultaneously. Click the Power
Button to make the device temporarily disconnect the current intercom; Click
the Intercom Button again to resume the intercom talk.
Join Group lntercom:When the unit is in standby mode, click the Intercom Button to join the ongoing intercom group.
Note: The intercom talk in the group will be divided into 2 separated intercom groups from the disconnected unit if it is disconnected.
Clear The Pairing: Long press Up and Down Button at the same time for about ls to clear the pairing, the red light will flash quickly.
Maintenance & Certification
Maintenance and Care
The B4FM should be treated with care and the following suggestions will help maintain your Warranty:
- Do not use or store the device in dusty or dirty environments. Moving parts and electronic components can be damaged.
- Do not store the device in high-heat areas. High temperatures can shorten the life of electronic devices, damage batteries, and warp or melt certain plastics.
- Do not store the device in cold-temperature areas. When the device returns to its normal temperature, moisture can form inside the device and damage electronic circuit boards.
- Do not attempt to open the B4FM case.
- Do not drop or knock the device. Rough handling can break internal circuit boards and fine mechanics.
- Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the device.
- Do not paint the device. Paint can clog the moving parts and prevent proper operation. These suggestions apply equally to the headset main unit, speaker-microphone clamp unit, and power charger.
WARRANTY
LEXIN warrants that this product shall conform to and perform in accordance with published technical specifications and the accompanying written materials, and shall be free of defects in materials and workmanship, for a period of one year from the date of purchase by the first consumer purchaser of the Product. The limited warranty extends only to the original consumer purchaser of the Product and is not assignable or transferable to any subsequent purchaser/end-user.
This warranty is limited to the repair or replacement, at LEXIN’ s discretion, of defective or non-conforming Product, and LEXIN shall not be responsible for the failure of the Product to perform specified functions, or any other non- conformance caused by or attributable to: (a) any misapplication or misuse of the Product; (b) failure of Customer to adhere to any of LEXIN’ s specifications or instructions; (c) neglect of, abuse of, or accident to, the Product; or (d) any associated or complementary equipment or software not furnished by LEXIN. Limited warranty service may be obtained by delivering the Product to LEXIN or to the international distributor it was purchased through and providing proof of purchase or receipt date. Customer agrees to insure the Product or assume the risk of loss or damage in transit, to prepay shipping charges to LEXIN, and to use the original shipping container or equivalent.
Waivers and General Release
By using the Product, you will waive substantial legal rights including, the right to use. Please read the following carefully before using the device. By using the Product, you agree to this agreement and forfeit the right to pursue legal action.
By using the Product, you are irrevocably releasing, indemnifying from any liability, loss, claim and expense (including attorney’s fees) and holding LEXIN harmless for any bodily injuries, harm or death as well as losses or damages in goods, to any vehicles including your own, or to any property or asset that belong to you or to third parties, any of which may result from using the Product under any circumstances or conditions and irrespective of jurisdiction.
You, your heirs, legal representatives, successors or assigns, hereby voluntarily and forever release, discharge, indemnify and hold harmless LEXIN from any and all litigation, claims, debts, demands, actions and liability which may arise, directly or indirectly, from using the Product for any distress, pain, suffering, discomfort, loss, injury, death, damages to or in respect to any person or property however caused, WHETHER ARISING FROM THE NEGLIGENCE OR OTHERWISE, and which may hereafter accrue to you on some future date as a result of said use, to the fullest extent permitted by law.
You fully understand and assume the risks in using the Product, including risk of negligent acts or omissions by others. All risks for operating the Product are assumed solely by the user of the Product.
You confirm that you are physically capable to use the Product and that you have no medical conditions or needs that may infringe upon your abilities to do so in a safe manner. You confirm that you are at least eighteen (18) years of age and that you have been advised of the risks associated with the use of the Product. You further confirm that you will not consume any alcohol that may affect your alertness or any mind-altering substance, and will not carry, use or consume these substances before or during the use of the Product.
You fully acknowledge our warnings and understand that:
(a) Risks and dangers exist in using the Product while in traffic,
including but not limited to injury or illness, strains, fractures, partial
and/or total paralysis, death or other ailments that could cause serious
disability;
(b) These risks and dangers may be caused by the negligence of the
manufacturers or its agents or any third party involved in designing or
manufacturing the Product;
(c) These risks and dangers may arise from foreseeable or unforeseeable
causes.
You hereby assume all risks and dangers and all responsibility for any losses
and/ or damages, whether caused in whole or in part by the negligence or other
conduct of others, including LEXIN.
By using the Product, you confirm that you have read this release of liability and fully understand and accept its terms and conditions.
RF Exposure Information
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. End users must follow the specific operating
instructions for satisfying RF exposure compliance. The antenna used for th is
transmitter must not transmit simultaneously with any other antenna or
transmitter, except in accordance with FCC multi-transmitter product
procedures. This product is compliance to FCC RF Exposure requirements and
refers to FCC website.
https://apps.fee.gov/oetcf/eas/reports/GenericSearch.elm
search for FCC ID:
2ARGO-LXB4FM
This device complies with Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions: (l)this device may not
cause interference, and(2) this device must accept any interference, including
interference that may cause undesired operation of the device
This EUT is compliance with SAR for general population/uncontrolled exposure
limits in IC RSS-102 and had been tested in accordance with the measurement
methods and procedures specified in IEEE 1528 and IEC 62209. This equipment
should be installed and operated with minimum distance of 1cm between the
radiator and your body. This device and its antenna(s)must not be co-located
or operating in conjunction with any other antenna or transmitter.
Lexin Electronics Inc.
1(800) 380-8248
www.lexin-moto.com
Backed by 2-Year Warranty
For technical support:
tech@lexinmotorcycle.com
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