How to stop noise generated on JVC KD-R921BT?
- DDarlene ReynoldsSep 2, 2025
If noise is generated on your JVC Car Receiver, skip to another track or change the disc.

How to stop noise generated on JVC KD-R921BT?
If noise is generated on your JVC Car Receiver, skip to another track or change the disc.
Why 'Not Support' appears and track skips on JVC Car Receiver?
If “Not Support” appears on the display and the track skips on your JVC Car Receiver, skip to the next track encoded in an appropriate format or to the next non-copy-protected WMA track.
What does 'Connection Error' mean on JVC KD-R921BT Car Receiver?
If “Connection Error” appears on the display of your JVC Car Receiver, it means the device is registered but the connection has failed. Use to connect the device again.
What does 'Please Connect BT Adapter' mean on JVC KD-R921BT Car Receiver?
If “Please Connect BT Adapter” appears on the display of your JVC Car Receiver, connect the USB Bluetooth Adapter to the unit before you can perform any operation.
What does 'In Disc' mean on JVC KD-R921BT?
If “In Disc” appears on the display of your JVC Car Receiver, the disc cannot be ejected properly. Make sure nothing is blocking the loading slot.
Why JVC KD-R921BT does not respond when copying the phonebook?
You may have tried to copy the same entries (as stored) to the unit. Press DISP or T/P BACK to exit.
What does 'Please Eject' mean on my JVC Car Receiver?
If “Please Eject” appears on the display of your JVC Car Receiver, this can sometimes occur due to overheating. Eject the disc or change to another playback source.
What does it mean when 'Reading' keeps flashing on JVC KD-R921BT 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.
Why JVC KD-R921BT Car Receiver pairing cannot be made?
If you are unable to pair your device with the JVC Car Receiver, make sure you have entered the same PIN code on both the unit and the target device. If the problem persists, disconnect the Bluetooth device and try pairing again.
Why is my JVC KD-R921BT not detecting Bluetooth device?
If your JVC Car Receiver is not detecting any Bluetooth devices, try searching from the Bluetooth device again. If that doesn't work, reset the unit and then search from the Bluetooth device again.
| Maximum Output Power | 50W x 4 |
|---|---|
| RMS Power | 22W x 4 |
| Bluetooth | Yes |
| USB Port | Yes |
| AUX Input | Yes |
| CD Playback | Yes |
| MP3 Playback | Yes |
| WMA Playback | Yes |
| AAC Playback | Yes |
| FLAC Playback | No |
| AM/FM Tuner | Yes |
| Subwoofer Control | Yes |
| Display Type | LCD |
| Detachable Faceplate | Yes |
| Remote Control | Yes |
| Type | Car Receiver |
| Preamp Outputs | 2 |
How to turn off the unit's automatic display demonstration sequence.
Guide for setting the unit's internal clock time and format.
Instructions for inserting the battery and initial use of the remote.
Information on compatible discs, handling, and discs that cannot be used.
Overview of essential controls and functions of the main unit.
Steps for tuning, preset stations, and improving FM reception.
Guide on playing CDs, basic operations, and track selection.
How to connect and play music files from USB storage devices.
Connecting and pairing Bluetooth devices for wireless audio and calls.
Making calls, managing contacts, and using phone features via Bluetooth.
Streaming audio wirelessly from Bluetooth-enabled devices.
Connecting and controlling Apple iPod/iPhone devices for playback.
Connecting and using external audio sources via the AUX input.
Customizing sound modes, EQ settings, and speaker timing.
Navigating through the unit's settings menus for various options.
Solutions for common issues and error messages encountered with the unit.
Technical data, dimensions, power requirements, and compatibility information.
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