JK Audio BlueSet Wireless Headset Interface User Guide

June 4, 2024
JK Audio

JK Audio BlueSet Wireless Headset Interface

Thank You
Thank you for purchasing the JK Audio BlueSet Wireless Headset Interface. Please read this guide for instructions on setting up and using your new product.

Getting Assistance
If you have technical or application questions:
In the US & Canada, call us toll free at: 800-552-8346
All other countries dial: 815-786-2929 (M-F 8:30-5:00pm Central Time Zone)
Email us at: support@jkaudio.com
Or, check out our FAQ section
for answers to common questions.

Features

  • HD Voice* Trim Pot adjusts Bluetooth Return

  • Electret / Dynamic Headset Compatibility Mini USB Power Jack

  • 1/8″ (3.5 mm) Mic Level Output 6 Hours on Internal Li-Ion Battery

  • HD Voice. While standard phone calls have a narrow bandwidth of 300 Hz to 3.4 kHz, HD Voice calls offer 50 Hz to 7 kHz bandwidth. The additional 1.5 octaves on the low end gives voice a more natural sound, while the additional upper octave dramatically improves speech clarity and intelligibility.
    Wireless HD Calls. To take advantage of this extended bandwidth, both phones on the call must support HD Voice, and both phones must be on the same carrier, in coverage areas that support HD Voice.

Overview

Introducing the BlueSet.
These headset interfaces plug directly into most Party- Line (PL) belt packs, replacing the wired headset. A 3.5 mm stereo headset jack contains a mic level output signal suitable for recording, with the beltpack headphone signal on
the left channel, and the Bluetooth return signal on the right. A switch selects between connection to a 3rd party Bluetooth headset or a cell phone.

  • Headset Connect : Leave your belt pack on the desk as you walk around the room. Some Bluetooth headsets allow you to switch between two phones, or in this case, switch between your intercom and your cell phone.
  • Phone Connect: Pair BlueSet to your cell phone to grant remote access to the Party-Line for a distant member. The belt pack Mic/Talk button controls audio from the cell phone into the intercom system.
  • Headset Compatibility: Female and Male XLR four and five pin versions available: BlueSet-F4, BlueSet-F5, BlueSet-M4, BlueSet-M5.

Getting To Know your BlueSet

  1. Connect Button
    The button is used to turn on the BlueSet and initialize connections (Pages 6-7). This button is also used to disconnect and turn off the BlueSet (Page 8).

  2. Role Select Switch
    Before you turn the BlueSet on, be sure to set the Role Select Switch to the correct position.
    If you change this switch while the unit is on, you will need to power the unit off, then power the unit back on before the change takes effect Select

    if you will be using your BlueSet with a Bluetooth-enabled headset or any device that emulates a headset. BlueSet will first attempt to connect using the Hands-Free Profile. If the Hands-Free Profile is not available, BlueSet will attempt to connect using the A2DP stereo streaming Profile. Select if you will be using your BlueSet with a cell phone or other master device. Please note that wireless phones typically cannot receive A2DP stereo audio streaming.
  3. Power
    BlueSet should be fully charged before its first use. While this battery will normally charge in about 2 ½ hours, please allow 4-5 hours for this first charge, or until the LED turns off.
    Connect the USB cable to the mini USB connector on your BlueSet and a USB power source to charge the battery. The red LED will flash to indicate that the battery is charging, once charging is complete, the LED will turn off.
    If the battery becomes completely discharged for an extended period of time, the red LED will not flash until it can begin its charge cycle. This may take several minutes.
    If the USB cable is connected when the unit is shut down, the blue LED will stay lit. If the unit is in use, the blue LED will indicate the current connect mode. Feel free to use your BlueSet while it is charging.

  4. Recording Output
    A 3.5 mm stereo output jack contains a mic level signal suitable for recording, with the clean mic signal on the left channel and the Bluetooth return audio on the right.
    Mic Trim
    A small flat blade screwdriver can be used to adjust the pot on the back of the unit. This adjusts the level of the audio coming from the microphone as it is sent to the Bluetooth enabled device and to the recording output.

Bluetooth Wireless Technology

Pairing Mode
From the powered-off state*, hold the button for 6 seconds, then release to activate Pairing Mode. In Pairing Mode, any Bluetooth enabled device within range can pair with your BlueSet. When you’re first connecting to a new device, you should be in an environment with no other Bluetooth wireless technology enabled devices within range that might also be in Pairing Mode.
Once the pairing process is complete the unique device ID is stored in Connection History. Subsequent connections can be made from
Idle Mode.

Idle Mode
From the powered-off state*, hold the button for 3 seconds, then release to activate Idle Mode. In Idle Mode, BlueSet searches for paired devices.

Connected Mode
After bonding is complete, the connection to that device is secure. BlueSet returns to Idle Mode when a connection is dropped or terminated.

Bluetooth Wireless Technology

Bluetooth Status LED
The blue LED on the front of the unit flashes in different
sequences to indicate the current connection status. JK-Audio-BlueSet-
Wireless-Headset-Interface-fig-2

Pairing to a Cell Phone

  1. While BlueSet is off, set the
    Role Select Switch to .

  2. From the powered-off state*, hold the button on the BlueSet for at least 6 seconds. Upon release, the blue LED should flash rapidly as the BlueSet enters Pairing Mode.

  3. 3. On your device, find and select the option to set up a connection. When the cell phone has found the new device, select from the list the device ID. Depending on the gender of model, the device ID is “JKBSETgpxxxx” where: g = XLR gender
    p = XLR pin count xxxx = last four digits of the serial #
    Note: Connecting via Bluetooth wireless technology varies with different cell phones.

  4. If asked for a pin, enter “0000”.

  5. When bonding is complete, the blue LED will flash at a rate of 2 seconds off, 1 second on.(2 s off, 4 s on for HD Voice). Subsequent connections can be made more quickly from Idle Mode by holding the button for only 2 seconds before releasing.

Pairing to a Headset

  1. While BlueSet is off, set the
    Role Select Switch to .

  2. Following manufacturer’s instructions, set your headset to Pairing Mode.

  3. From the powered-off state*, hold the button on the BlueSet for at least 6 seconds. After you release it, the blue LED should flash rapidly if the BlueSet is in Pairing Mode.

  4. When bonding is complete, the blue LED will flash at a rateof 2 seconds off, 1 second on.(2 s off, 4 s on for HD Voice). Subsequent connections can be made more quickly from Idle Mode by holding the button for only 2 seconds before releasing.

Disconnecting from a Device
To disconnect from a device, turn off Bluetooth on your phone or power off the connected headset/device. Alternatively, turn off the BlueSet.
If left unused in Idle or Pairing Mode, the BlueSet will automatically disconnect in two minutes and power off.

Turning off BlueSet
From the powered-on state, hold the button for 5 seconds, then release to turn off BlueSet.
If the blue LED continues to flash or blink after releasing, then the

button was:
  • released too early.
  • held more than 10 seconds.
  • pressed after BlueSet was left unused and powered off automatically.

Connection History
BlueSet retains a history of the 16 most recent devices. To clear connection history and return to factory default, with the BlueSetpowered off, set the switch to the or position, then hold the button in for at least 20 seconds. After resetting, the BlueSet will return to Pairing Mode.
Reconnect to Paired Devices
To reconnect to a device saved in Connection History, the BlueSet should be in Idle Mode (see page 4) and the Role Select Switch in the correct position. BlueSet will automatically connect to a paired device that is Bluetooth- enabled, powered-on and within range.
Note: Connecting via Bluetooth wireless technology varies with different cell phones.

What is the range of the transmitter/receiver?
BlueSet transmits and receives audio signals up to 50 feet from your Bluetooth wireless technology-enabled device. The maximum range of this product is achieved when a clear line of sight is maintained between connected devices, but may also be limited by interference due to the environment. While this product offers extended range capabilities, maximum usable range is limited by the weaker of the two paired/connected devices. Transmitting signals over longer distances will require more power, therefore you should keep BlueSet as close as possible to your Bluetooth device to conserve battery power.

FAQ’s

Why won’t the BlueSet pair with my phone?
If this is the first time you are trying to pair to this cell phone, you might be in Idle Mode instead of Pairing Mode and your BlueSet is not being recognized. To reach Pairing Mode, hold the

in for a full 5 seconds.

Why won’t BlueSet connect to my device?
Ideally, the master device will search for the headset device. If the BlueSet isn’t pairing with your device, try turning the second device on first from your initial attempt to connect.

What kind of intercom headset jack is BlueSet compatible with?
BlueSet can be used to replace an electret or dynamic intercom headset.

Why doesn’t the BlueSet change connections when I move the switch from Headset to Phone?
If you change this switch while the unit is on, you will need to power the unit off (see page 7), then power the unit back on before the change takes effect.

How long does it take to recharge the battery?
BlueSet can fully charge the internal battery in about 2 1/2 hours. These batteries do not have a “charging memory” and they can be recharged at any time without changing their life expectancy.

How long will the charge on the battery last?
Based on tests with BlueSet about 1 meter from a Bluetooth device, the battery should last for about 6 hours under normal use. As an indicator of low battery, the blue LED will grow dim and then extinguish a short while before the battery is completely exhausted and the unit shuts down.

How do I replace the battery in this unit?
This is not a user-replaceable battery. Please contact JK Audio or a factory- authorized service center for battery replacement.

Battery Information
BlueSet contains a rechargeable Lithium-Ion battery. These batteries do not have a “charging memory” and can be recharged at any time without changing their life expectancy. All rechargeable batteries have a limited life and will gradually lose their capacity to hold a charge. This loss of capacity is irreversible. To get the most from your BlueSet, the battery should not be allowed to fully discharge. If this unit is not in use, the battery should be recharged at least every 90 days. The Lithium-Ion battery in this device is not user replaceable. Please contact JK Audio or a factory-authorized service center for battery replacement.

Technical Information

Safety Precautions
This unit should only be charged at temperatures of 0º – 45°C (32º – 113° F). Operating temperatures for these devices is -10º to 60ºC (14º to 140ºF). When not in use, they should be
stored as -20º to 45ºC (-4 to 113ºF) to prolong battery life. While BlueSet was designed to be very rugged and durable, it is not waterproof and care should be taken to keep the unit dry.

JK-Audio-BlueSet-Wireless-Headset-Interface-fig-3

What is the Difference between Bluetooth Profiles?
Headset: Facilitates mono, full-duplex audio between two paired devices.
Hands-Free: Similar to Headset profile, but allows the receiving device more control over the call, such as volume, accept/reject/end a call.

FCC-B Part 15 Compliance

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. Changes or modifications not expressly approved by JK Audio can void the user’s authority to operate the equipment.

JK Audio, Inc.
1311 E 6th St.
Sandwich, IL 60548
United States
Telephone: 815.786.2929
Toll Free: 1.800.jkaudio
Fax: 815.786.8502
www.jkaudio.com
© 2022 JK Audio, Inc. All rights reserved.
The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by JK Audio, Inc. is under license.

References

Read User Manual Online (PDF format)

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