Why does my JVC KD-R721BT stop playback?
- KKim WongSep 14, 2025
Playback may stop if the headphones are disconnected during playback. Try restarting the playback operation.
Why does my JVC KD-R721BT stop playback?
Playback may stop if the headphones are disconnected during playback. Try restarting the playback operation.
What to do if my JVC Car Receiver does not work at all?
If your unit isn't working, try resetting it.
What does “USB ERROR” = “REMOVE USB” = “PWR OFF/ON” mean on my JVC KD-R721BT?
If you see “USB ERROR” = “REMOVE USB” = “PWR OFF/ON” scrolling on the display, it means an over-current has occurred. Turn off the unit, and then turn it back on.
What to do if my JVC KD-R721BT is making static noise while listening to the radio?
If you are experiencing static noise while listening to the radio, ensure the aerial is firmly connected.
Why is my JVC KD-R721BT Car Receiver not detecting any Bluetooth devices?
If no Bluetooth device is detected, search from the Bluetooth device again. You can also reset the unit, then search from the Bluetooth device again.
What does “HW ERROR” mean on my JVC KD-R721BT display?
If “HW ERROR” appears on the display, reset the unit and try the operation again.
Why does my JVC Car Receiver display “PLEASE” and “EJECT“ alternately?
If “PLEASE” and “EJECT“ appear alternately on the display, press 0, then insert a disc correctly.
Why is the sound distorted on my JVC KD-R721BT Car Receiver when using iPod?
If the sound is distorted, deactivate the equalizer on the iPod/iPhone.
Why is my JVC KD-R721BT phone sound quality poor?
If the phone sound quality is poor, try reducing the distance between the unit and the Bluetooth mobile phone. You can also move the car to a location with better signal reception.
What does “NO FILE” mean on my JVC KD-R721BT Car Receiver display?
If “NO FILE” appears on the display, check whether the selected folder, the connected USB device, or the iPod/iPhone contains a playable file.
MP3 playback | Yes |
---|---|
Audio formats supported | MP3, WAV, WMA |
Tuner type | HS-IV |
Output power | 200 W |
Audio output channels | 4.0 channels |
Maximum power per channel | 50 W |
I/O ports | USB x 2 AUX-IN |
Essential safety warnings for laser products, general cautions, and proper disposal methods for equipment and batteries.
Procedures for panel detachment/attachment, unit reset, disc ejection, cleaning, and disc handling.
Canceling display demonstration and setting the unit's clock.
Guide to remote controller preparation and basic unit operations and button functions.
Overview of the main unit's controls, terminals, and general button operations.
Tuning stations, improving FM reception, automatic presetting (SSM), PTY Search, and TA reception.
Instructions for playing discs, stopping playback, and ejecting discs.
Selecting tracks, playback modes (repeat/random), and changing display for MP3/WMA files.
Connecting, operating, and cautions for USB devices, including compatibility and file formats.
Overview of Bluetooth, supported profiles, pairing procedures, and connection confirmation.
Managing phone calls, contacts, settings, and using the Bluetooth audio player.
Connecting, controlling, selecting tracks, and navigating menus for iPod/iPhone playback.
Connecting external devices via AUX and selecting/storing sound modes for audio customization.
Navigating menu operations and configuring settings like display, dimmer, and tuner preferences.
Solutions for common issues with playback, connectivity, Bluetooth, and general unit operation.
Detailed technical data for audio, USB, Bluetooth, general hardware, and dimensions.
List of countries where the Bluetooth function is supported and usable.