13
FZ502
English
5. TROUBLE SHOOTING
Problem
Cause
Measure
Unit can not
power on.
Unit fuse blown.
Replace with new fuse of correct rating.
Car battery fuse blown.
Replace with new fuse of correct rating.
Unit can not
power on.
Nothing happens
when buttons are
pressed.
Display is not
accurate.
The microprocessor has
malfunctioned due to noise, etc.
ÍÊÆÇŰÌÀ½ÈÇϽÊƖ
Press the
[RESET]
button with a thin rod.
Note:
When the
[RESET]
ºÍÌÌÇÆÁËÈʽË˽¼ƓÌÍÊÆÇŰ
the ACC power.*
* When the
[RESET]
button is pressed,
frequencies of radio stations, titles, etc. stored in
memory are cleared.
No/low audio
output.
Improper audio output connection. Check wiring and correct.
Volume set too low.
Increase volume level.
Speakers damaged.
Replace speakers.
Heavily biased volume balance.
Adjust the channel balance to center position.
Speaker wiring is in contact with
metal part of car.
Insulate all speaker wiring connections.
Poor sound quality
or distortion.
Speaker power rating does not
match unit.
Replace speakers.
Wrong connections.
Check wiring and correct.
Speaker is shorted.
Check wiring and correct.
Unit resets itself
ÏÀ½Æ½Æ¿ÁƽÁËÇŰƖ
Incorrect connection between
ACC and Battery.
Check wiring and correct.
USB Devices
Problem
Cause
Measure
USB device cannot
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6JG75$FGXKEGJCUDGGP
KPUGTVGFYKVJYTQPIFKTGEVKQP
Reversing the connection direction of the USB
device, try it again.
6JG75$EQPPGEVQTKUDTQMGP
4GRNCEGYKVJCPGY75$FGXKEG
USB device is not
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The USB device is damaged.
Disconnect the USB device and reconnect. If
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YKVJCFKHHGTGPV75$FGXKEG
Connectors are loose.
No sound heard
YKVJVJGFKURNC[ő
No
File
ŒUJQYP
0Q/29/#ſNGKUUVQTGFKP
the USB device.
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Sound skips or is
noisy.
/29/#ſNGUCTGPQVGPEQFGF
properly.
7UG/29/#ſNGUGPEQFGFRTQRGTN[
GENERAL
Press the
[CONTROL]
MPQDQPVJGRCPGN
or
[SRC/ ]
DWVVQPQPVJGTGOQVGEQPVTQNQPEGQT
more to select “
AUX
”.
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Jack connector plugged into audio-in socket
on the front panel on the right of USB slot.
AUX Input sensitivity setting
1. Press and hold the
[CONTROL]
MPQD
2. Turn the
[CONTROL]
MPQDVQUGNGEVő
AUX
SENS
”.
3. If the output level of connected external
a u d i o p l a y e r i s “
H I G H
” , r o t a t e t h e
[CONTROL]
MPQD CPF EJQQUG ő
LOW
”.
And if the output level is “
LOW
”, choose
“
HIGH
”.
AUX Operations
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main unit are in the same play / pause status
in
BT MUSIC
mode.
ID3 display
&WTKPIOWUKEUVTGCOKPIRNC[DCEMHQTOWUKE
information that is longer than the display
RCPGN
9JGP 5%41.. KU 10 VJG .%& YKNN FKURNC[
+&6#)KPHQTOCVKQPE[ENGN[GI
#.$7/ 6+6.' #46+56
9JGP5%41..KU1((VJG.%&YKNNFKURNC[
one of the ID3 TAG information, the default
KU64#%-DWVWUGTECPCFLWUVKV&
6#)KPHQTOCVKQPD[ RTGUUVJG =
DISP
? DWVVQP
on the remote control.
Bluetooth Operations
