Troubleshooting - JVC KW-XG812 Instructions Manual

• This unit can play back MP3 files recorded in
VBR (variable bit rate).
• The maximum number of characters for:
– Folder names : 32 characters
– File names : 32 characters
– MP3 Tag : 64 characters
– WMA Tag : 32 characters
• This unit can recognize a total of 5 000 files,
255 folders (255 files per folder including
folder without unsupported files), and of 8
hierarchies.
• This unit does not support SD card reader.
• This unit cannot recognize a USB device
whose rating is other than 5 V and exceeds
500 mA.
• USB devices equipped with special functions
such as data security functions cannot be
used with the unit.

Troubleshooting

Sound cannot be heard from the
speakers.
"PROTECT" appears on the display
and no operations can be done.
The unit does not work at all.
"AUX IN" cannot be selected.
SSM automatic presetting does
not work.
Static noise while listening to the
radio.
"AM" cannot be selected.
16 ENGLISH
Symptom
• Do not use a USB device with 2 or more
partitions.
• This unit may not recognized a USB device
connected through a USB card reader.
• This unit may not play back files in a USB
device properly when using a USB extension
cord.
• This unit cannot play back the following files:
– MP3 files encoded in MP3i and MP3 PRO
format.
– MP3 files encoded in an inappropriate
format.
– MP3 files encoded with Layer 1/2.
– WMA files encoded in lossless, professional,
and voice format.
– WMA files which are not based upon
Windows Media® Audio.
Remedy/Cause
• Adjust the volume to the optimum level.
• Make sure the unit is not muted/paused (see
page 6).
• Check the cords and connections.
Check to be sure the terminals of the speaker leads
are covered with insulating tape properly, then reset
the unit (see page 3).
If "PROTECT" does not disappear, consult your JVC
car audio dealer or a company supplying kits.
Reset the unit. (See page 3.)
Check the <SRC SELECT> = <AUX IN> setting.
(See page 13.)
Store stations manually.
Connect the aerial firmly.
Check the <SRC SELECT> = <AM> setting. (See
page 13.)