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During playback or reception, demonstration
mode starts.
If no operation is performed for 5 minutes with
“DEMO-ON” set, demonstration mode starts.
tSet “DEMO-OFF” (page 17).
The display disappears from/does not appear
in the display window.
• The dimmer is set “DIM-ON” (page 17).
• The display disappears if you press and hold (OFF).
tPress and hold (OFF) on the unit until the
display appears.
• The connectors are dirty (page 21).
The Auto Off function does not operate.
The unit is turned on. The Auto Off function activates
after turning off the unit.
tTurn off the unit.
CD playback
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in
the wrong way.
The disc does not playback.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 20).
MP3/WMA/AAC files cannot be played back.
The disc is incompatible with the MP3/WMA/AAC
format and version. For details on playable discs and
formats, visit the support site.
MP3/WMA/AAC files take longer to play back
than others.
The following discs take a longer time to start
playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in Multi Session.
– a disc to which data can be added.
The display items do not scroll.
• For discs with very many characters, those may not
scroll.
• “A.SCRL” is set to “OFF.”
tSet “A.SCRL-ON” (page 17).
tPress and hold (DSPL) (SCRL).
The sound skips.
• Installation is not correct.
tInstall the unit at an angle of less than 45° in a
sturdy part of the boat.
• Defective or dirty disc.
The operation buttons do not function.
The disc will not eject.
Press the RESET button (page 6).
Radio reception
The stations cannot be received.
The sound is hampered by noises.
The connection is not correct.
tConnect a power antenna (aerial) control lead
(blue) or accessory power supply lead (red) to the
power supply lead of a boat’s antenna (aerial)
booster (only when your boat has built-in FM/AM
antenna (aerial) in the rear/side glass).
tCheck the connection of the boat antenna (aerial).
tIf the auto antenna (aerial) will not go up, check the
connection of the power antenna (aerial) control
lead.
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
Automatic tuning is not possible.
• Setting of the local seek mode is not correct.
tTuning stops too frequently:
Set “LOCAL-ON” (page 17).
tTuning does not stop at a station:
Set “LOCAL-OFF” (page 17).
• The broadcast signal is too weak.
tPerform manual tuning.
During FM reception, the “ST” indication
flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
tSet “MONO-ON” (page 17).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
tSet “MONO-OFF” (page 17).
USB playback
You cannot play back items via a USB hub.
This unit cannot recognize USB devices via a USB
hub.
Cannot play back items.
A USB device does not work.
tReconnect it.
The USB device takes longer to play back.
The USB device contains files with a complicated tree
structure.
A beep sounds.
During playback, the USB device has been
disconnected.
tBefore disconnecting a USB device, make sure to
stop playback first for data protection.
The sound is intermittent.
The sound may be intermittent at a high-bit-rate of
more than 320 kbps.