No sound from one side of the earphones

one_side_sound_none

If no sound is heard from one side of the earphones, following the steps below may solve the problem.
Follow the steps to check whether there is any abnormality with the sound output.

If the power of the earphones is on, turn it off temporarily

With the earphones worn on the ears, press and hold the L and R buttons for approximately 10 seconds . “Power Off” Is output from the audio guidance and the power turns off.

Power_OFF_Ear_L_CRZ100T + SPNV_Power_ON_Ear_L_CRZ100T

Button

The L earphone is used in the illustration.

Insert the earphones into the charging case. Check that charging has started, and then remove from the charging case.

Select the state after checking

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Initializing the earphones and re-establishing the connection may help to solve the problem.

Follow the steps below to check whether there is any abnormality with the sound output.

Initializing

First of all, go to the Bluetooth settings of the device to be connected and delete the information of this unit that is registered on it.

Depending on the device to be connected, multiple registration information of the System may be displayed as shown below.

Device_List_Multiple_Device_Names + Device_List_Multiple_Device_Names_KWD

KENWOOD GLASS Core Pro

GLASS Core Pro-APP

In this case, delete all the registration information of the System.

Charge the charging case beforehand.

Remove the earphones once if they are inserted into the charging case.

Follow the steps below to initialize the settings of both the L and R earphones at the same time.

  1. Insert the earphones into the charging case

  2. Charging_1_CRZ100T

    After a few seconds, the indicators for the earphones and charging case will light up.

    Charging_2_CRZ100T + SPNV_Charging_2_CRZ100T

    Indicators for the earphones

    Indicators for the charging case

  3. When the indicators for the earphones are lit, press the L and R buttons at the same time six times in a row

  4. Initializing_LR_CRZ100T + SPNV_Initializing_LR_CRZ100T

    Button

    Indicators for the earphones

    The indicators for the earphones start to flash quickly.

    If the indicators do not flash quickly, remove both earphones from the charging case, and start over again from step 1.

  5. While the indicators for the earphones are flashing, press and hold the L and R buttons at the same time for about one second

  6. The indicators for the earphones will stop flashing in 10 seconds. While the indicators are flashing, press and hold the buttons for about 1 second.

    Initializing_LR_CRZ100T + SPNV_Initializing_LR_CRZ100T

    Button

    Indicators for the earphones

    The L and R earphones are automatically connected inside the charging case.

    After initialization is complete, the L and R indicators for the earphones will flash twice slowly.

    After initialization is complete, charging of the earphones will resume, and the indicators for the earphones will turn on or go off.

    connecting_2_CRZ100T

Connecting to a Device

  1. Insert the earphones into the charging case

  2. The indicators for the earphones light up.

    Set_in_case_CRZ100T + SPNV_Set_in_case_CRZ100T

    Indicators for the earphones

  3. Remove both the L and R earphones

  4. Power_ON_CRZ100T

    If a pop-up display appears on your Android device, perform connection by following the instructions on the display.

    In other cases, try the steps below.

    Turn on the BLUETOOTH connection setting of the device and select this unit
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device_List_KWD_GLASS_Core_Pro_Nav

    KENWOOD GLASS Core Pro

    Check the screen on the Bluetooth device to confirm whether connection is successful.

    When connection is established, you will hear an audio guidance notification “Device One Connected” through the earphones.

    Once connection has been established, the earphones can be used for listening to music.

Apps and Volume Control on the Connected Device

  1. Open an app and play

  2. app_01
    app_02
  3. Adjust the volume

  4. volume_smp_1

Select the state after checking

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There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.

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