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Jonathan StaffordSep 2, 2025
What does 'NOT SUPPORT' mean on my JVC KW-HDR81BT Car Receiver?
- DDerek SloanSep 3, 2025
If “NOT SUPPORT” appears on the display of your JVC Car Receiver, check whether the track is a playable file format.

What does 'NOT SUPPORT' mean on my JVC KW-HDR81BT Car Receiver?
If “NOT SUPPORT” appears on the display of your JVC Car Receiver, check whether the track is a playable file format.
Why is my JVC Car Receiver not detecting my Bluetooth device?
If your JVC Car Receiver is not detecting your Bluetooth device, try searching for the device again. You can also try resetting the unit.
What does “ERROR” mean on JVC KW-HDR81BT Car Receiver?
If “ERROR” appears on the display of your JVC Car Receiver, try the operation again. If “ERROR” appears again, check if the device supports the function you have tried.
What does 'NOT SUPPORT' mean when voice dialing with my JVC Car Receiver?
If “NOT SUPPORT” appears when trying to perform voice dial on your JVC Car Receiver, the connected phone does not support this feature.
What does “INVALID CH” mean on JVC KW-HDR81BT Car Receiver?
If your JVC Car Receiver displays “INVALID CH” for about 5 seconds and then returns to the previous or default channel while listening to SIRIUS Satellite Radio, there is no broadcast on the selected channel. You can select another channel or continue listening to the previous or default channel.
What does 'NO ANT' mean on my JVC KW-HDR81BT?
If “NO ANT” or “NO ANTENNA” appears on the display of your JVC Car Receiver, check your Satellite Radio antenna connection and be sure it is firmly attached.
What does 'UNSUB CH' mean on my JVC KW-HDR81BT Car Receiver?
If “UNSUB CH” appears on the display of your JVC Car Receiver while listening to SIRIUS Satellite Radio, it means SIRIUS Satellite Radio is connected but does not have an active subscription. For information on how to subscribe, refer to the manual.
Why pairing cannot be made on JVC KW-HDR81BT Car Receiver?
If you're unable to pair your JVC Car Receiver, ensure you've entered the same PIN code on both the unit and the Bluetooth device. If pairing still fails, delete the pairing information from both devices and try again.
What does 'UNSUPPORTED DEVICE FOR TAGGING' mean on my JVC KW-HDR81BT Car Receiver?
The connected iPod/iPhone is not compatible with iTunes.
Why does 'READING' keep flashing on my JVC Car Receiver display?
If “READING” keeps flashing on the display of your JVC Car Receiver, it means a longer readout time is required. Avoid using too many hierarchical levels and folders. You can also try reloading the disc or reattaching the USB device.
| Brand | JVC |
|---|---|
| Model | KW-HDR81BT |
| Category | Car Receiver |
| Language | English |
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