JVC KD-R721 - Manuel (Page 27)

27 ENGLISH
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Symptom Remedy/Cause
USB playback
“NO FILE” appears on the display. Check whether the selected folder, the connected USB device, or the
iPod/iPhone contains a playable file.
“CANNOT PLAY” flashes on the display. /
“NO USB” appears on the display. / The
unit cannot detect the USB device. Check whether the connected USB device is compatible with this
unit. / Reattach the USB device again.
Bluetooth
“PLEASE CNNT BT ADAPTER” scrolls on
the display. Connect the USB Bluetooth Adapter (KS-UBT1) to the unit before you
can perform any operation.
No Bluetooth device is detected. Search from the Bluetooth device again. / Reset the unit, then search
from the Bluetooth device again.
Pairing cannot be made. Make sure you have entered the same PIN code to both the unit and
target device. / Disconnect the Bluetooth device and try pairing again.
Echo or noise occurs. Adjust the microphone unit’s position.
Phone sound quality is poor. 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.
The unit does not response when you
tried to copy the phonebook to the unit. You may have tried to copy the same entries (as stored) to the unit.
Press
DISP or T/P BACK to exit.
The sound is interrupted or skipped
during playback of a Bluetooth audio
player. Reduce the distance between the unit and the Bluetooth audio
player. / Disconnect the device connected for Bluetooth Phone. / Turn
off, then turn on the unit. / Connect the player again, when the sound
is not yet restored.
The connected audio player cannot be
controlled. Check whether the connected audio player supports AVRCP (Audio/
Video Remote Control Profile). (Operations depend on the connected
audio player.) / Disconnect and connect the Bluetooth player again.
“VOICE” calling method is not successful. Use “VOICE” calling method in a more quiet environment. / Reduce
the distance from the microphone when you speak the name. /
Change the “NR/EC MODE” to “OFF” (page 15), then try again.
“ERROR CNNCT” appears on the display. The device is registered but the connection has failed. Use
<CONNECT PH/ CONNECT AU> to connect the device again.
“ERROR” appears on the display. Try the operation again. If “ERROR” appears again, check if the device
supports the function you have tried.
“PLEASE WAIT” appears on the display. The unit is preparing to use the Bluetooth function. If the message
does not disappear, turn off and turn on the unit, then connect the
device again (or reset the unit). (page 3)
“HW ERROR” appears on the display. Reset the unit and try the operation again. If “HW ERROR” appears
again, consult your nearest JVC IN-CAR ENTERTAINMENT dealer.
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