JVC KW-M785BW Instruction Manual page 56

Troubleshooting Troubleshooting
Bluetooth hands-free phone
Phone is disconnected.
→ When iPhone for Apple CarPlay or Android Auto
device is connected, the currently connected
Bluetooth device is disconnected. Use Apple
CarPlay or Android Auto screen for phone.
Phone sound quality is poor. Echo or noise occurs.
→ Reduce the distance between the unit and the
Bluetooth mobile phone.
→ Move the car to a place where you can get a better
signal reception.
→ Adjust the sound quality using <Microphone
Level>, <Echo Cancel Level>, <Noise Reduction
Level> (page 11).
The unit does not respond when you try to copy
the phone book to the unit.
→ You may have tried to copy the same entries (as
stored) to the unit.
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"No Data" appears.
→ No phone book data is contained in the connected
Bluetooth phone.
"Dial Error" appears.
→ Dialing has failed. Try the operation again.
"Hung Up Error" appears.
→ The call has not ended yet. Park your car, and use
the connected mobile phone to end the call.
"Pick Up Error" appears.
→ The unit has failed to receive a call.
Bluetooth audio
Bluetooth audio played is disconnected.
→ When iPhone for Apple CarPlay or Android Auto
device is connected, the currently connected
Bluetooth device is disconnected.
The sound is interrupted or skipped while using a
Bluetooth audio player.
→ Reduce the distance between the unit and the
Bluetooth audio player. Disconnect the device
connected for Bluetooth phone if any.
→ Turn off, then turn on the unit.
(When the sound is not yet restored) connect the
player again.
The connected audio player cannot be controlled.
→ Check whether the connected audio player
supports AVRCP (Audio/Video Remote Control
Profile).