H
Heather CarpenterAug 28, 2025
What does “PROTECTING SEND SERVICE” mean on my JVC KD-R780BT?
- LLarry StewartAug 28, 2025
If your JVC Car Receiver displays “PROTECTING SEND SERVICE”, send the unit to the nearest service center.
To Next PageTo Next PageWhat does “PROTECTING SEND SERVICE” mean on my JVC KD-R780BT?
If your JVC Car Receiver displays “PROTECTING SEND SERVICE”, send the unit to the nearest service center.
What to do if “CHECK ANTENNA” appears on JVC Car Receiver?
If your JVC Car Receiver displays “CHECK ANTENNA”, verify that the antenna and its connection are in good condition.
Why does “NO SIGNAL” appear on my JVC Car Receiver?
If the message “NO SIGNAL” appears on your JVC Car Receiver, make sure the antenna is mounted outside the vehicle.
What to do if “UNSUPPORTED DEVICE” appears on my JVC KD-R780BT?
If your JVC Car Receiver displays “UNSUPPORTED DEVICE”, verify that the connected device is compatible with the unit and ensure the file systems are in supported formats. You may also try reattaching the device.
Why is the phone sound quality poor on my JVC Car Receiver?
If the sound quality is poor on your JVC Car Receiver, try reducing the distance between the unit and the Bluetooth device. Alternatively, move the car to a location with better signal reception.
What to do if “CANNOT PLAY” appears when using Android device with JVC KD-R780BT Car Receiver?
If your JVC Car Receiver displays “CANNOT PLAY”, make sure the Android device contains playable audio files. You may also try reconnecting or restarting the Android device.
What to do if “UNRESPONSIVE DEVICE” appears on JVC KD-R780BT?
If your JVC Car Receiver displays “UNRESPONSIVE DEVICE”, make sure the device is not malfunctioning and reattach it.
Why does my JVC Car Receiver say “USB HUB IS NOT SUPPORTED”?
If your JVC Car Receiver displays “USB HUB IS NOT SUPPORTED”, know that the unit cannot support a USB device connected via a USB hub.
What to do if iPod/iPhone does not turn on or does not work with JVC KD-R780BT?
If the iPod or iPhone does not turn on or work with your JVC Car Receiver, check the connection between the unit and the iPod/iPhone. You can also detach and reset the iPod/iPhone using a hard reset.
Why are correct characters not displayed on my JVC KD-R780BT Car Receiver?
If correct characters are not displayed on your JVC Car Receiver, note that the unit can only display uppercase letters, numbers, and a limited number of symbols. Also, depending on the display language you have selected, some characters may not be displayed correctly.
General| Brand | JVC |
|---|---|
| Model | KD-R780BT |
| Category | Car Receiver |
| Language | English |
Overview of the unit's front panel controls and indicators.
Initiating audio playback from connected media devices.
Connecting the SiriusXM Vehicle Tuner and activating the subscription.
Overview of Bluetooth connectivity features and profiles.
Step-by-step guide for initial device pairing.
Instructions for initiating phone calls using the Bluetooth hands-free function.
Configuring audio signal routing for different speaker connection types.
Solutions for common operational issues and error messages.
Step-by-step instructions for physically installing the receiver.
Diagram and guide for connecting the unit's wiring harness.
