MODERN ELECTRONICS FACTORY LIMITED 6961401USB Benutzerhandbuch
15
CAUTION: Never allow any water or other liquids to get inside the unit while cleaning.
TROUBLE SHOOTING GUIDE
Symptom
Possible Cause
Solution
The unit does not
respond (no power)
respond (no power)
The unit is disconnected from
the AC outlet.
the AC outlet.
Reconnect to the AC outlet.
The AC outlet has not power.
Try the unit on another
outlet.
outlet.
Unit is ON but there is
low or no volume
low or no volume
Volume set too low.
Slowly rotate the MASTER
VOLUME knob to increase
the volume level.
VOLUME knob to increase
the volume level.
AM/FM no sound
Unit not in Radio mode.
Slide FUNCTION switch to
select RADIO.
select RADIO.
Bluetooth No Sound
Unit is not linked with your
Bluetooth enabled device.
Bluetooth enabled device.
Go through “Bluetooth
Operations” process to link
the speakers.
Operations” process to link
the speakers.
Unit placement out of range.
Relocate the unit within
Bluetooth operating
range (30 feet)
Bluetooth operating
range (30 feet)
Your Bluetooth enabled device
Volume set too low.
Volume set too low.
Increase Volume level of
your Bluetooth enabled
device.
your Bluetooth enabled
device.
Noise or sound
distorted on FM
broadcast
distorted on FM
broadcast
Station not tuned properly.
Fine tune the FM broadcast
station.
station.
FM: telescopic antenna is not
fully extended.
fully extended.
Fully extend the FM
telescopic antenna.
Reposition the unit until the
best reception is obtained.
telescopic antenna.
Reposition the unit until the
best reception is obtained.
AM: Internal antenna is not
positioned correctly.
positioned correctly.
USB player will not
play
play
Unit not in USB function mode.
Can’t read USB data
Can’t read USB data
Slide FUNCTION switch to
CD/USB and long press the
CD/USB/PAIR/
CD/USB and long press the
CD/USB/PAIR/
button
until USB indicator is
flashing.
USB flash drive fault,
change another good one.
flashing.
USB flash drive fault,
change another good one.
CD player will not
play
play
Unit not in CD function mode.
Slide FUNCTION switch
to select CD.
to select CD.
CD is installed incorrectly.
Insert CD with label side
outward.
outward.
If the CD is self-compiled, the
media used may not be
compatible with the player.
media used may not be
compatible with the player.
Use better quality blank
media and retest.
media and retest.
CD skips while
playing
playing
Disc is dirty or scratched.
Wipe CD with clean cloth or
use another disc.
use another disc.