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Troubleshooting Guide
Some functions of this unit may be disabled by
some settings made on this unit.
! • Cannot set up the subwoofer.
• Cannot set up the High Pass Filter.
• Cannot set up the Fader.
• No Audio control effect on AUX.
▲
• <Subwoofer output> of <Basic Operation> (page 4)
is not set to On.
• The Dual zone function is enabled. ☞ <Audio
Setup> (page 20)
! • Cannot set up the subwoofer phase.
▲
The Low Pass Filter is set to Through. ☞ <Audio
Setup> (page 20)
! • Cannot set up the audio control.
• Cannot set up the audio setup.
▲
You cannot set up during hands-free calling.
! • Cannot select the output destination of the
subsource in the Dual zone.
• Cannot adjust the volume of the rear speakers.
▲
The Dual zone function is disabled. ☞ <Audio
Setup> (page 20)
! • Cannot register a security code.
• Cannot set up Display Illumination Control.
▲
<Demonstration mode Setting> (page 19) is not
turned off.
What might seem to be a malfunction in your unit
may just be the result of slight misoperation or
miswiring. Before calling service, first check the
following table for possible problems.
General
? The Touch Sensor Tone does not sound.
✔ The preout jack is being used.
☞ The Touch Sensor Tone cannot be output from
the preout jack.
? The illumination flashes when the knob or button
is operated.
✔ This is the key illumination effect.
☞ You set this effect in “MENU” > “ILM Effect” of
<Function Control> (page 6).
? The key illumination effect brought about in
conjunction with the sound volume is small.
✔ The key illumination effect may be insufficient
depending on the sound volume and sound quality.
Tuner source
? Radio reception is poor.
✔ The car antenna is not extended.
☞ Pull the antenna out all the way.
Disc source
? The specified disc does not play, but another one
plays instead.
✔ The specified CD is quite dirty.
☞ Clean the CD, referring to the CD cleaning of the
section on <Handling CDs> (page 3).
✔ The disc is loaded in a different slot from that
specified.
☞ Eject the disc magazine and check the number
for the specified disc.
✔ The disc is severely scratched.
☞ Try another disc instead.
Audio file source
? The sound skips when an Audio file is being
played.
✔ The media is scratched or dirty.
☞ Clean the media, referring to the CD cleaning of
the section on <Handling CDs> (page 3).
✔ The recording condition is bad.
☞ Record the media again or use another media.
? Noise is heard when carrying out Folder Search.
✔ Noise may be produced if folders without audio files
exist continuously in the playing media.
☞ Do not make folders without audio files.
Hands-free
? The hands-free talk volume is low.
✔ The hands-free talk volume is set at a low level.
☞ The hands-free talk volume can be adjusted
independently. Adjust it during hands-free talk.
? No sound is heard from the rear speakers.
✔ You are talking in the hand-free talk mode.
☞ No sound is heard from the rear speakers in the
hands-free talk mode.
? No beep is heard at reception of an incoming call.
✔ No beep is heard depending on the type of your
cell-phone.
☞ The “MENU” > “Call Beep” of <Function Control>
(page 6) is set ON.
? Voice is not recognized.
✔ The vehicle window is open.
☞ If the surrounding noise is large, voice cannot be
recognized properly. Close the vehicle windows
to reduce noise.
✔ Small voice.
☞ If voice is too small, it cannot be recognized
properly. Speak into the microphone a little more
loudly and naturally.
✔ The person uttering the voice tag is not the one who
registered the it.
☞ Only the voice of the person who registered the
voice tag can be recognized.