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78 KOS-V500
Help? Troubleshooting
Some functions of this unit may be disabled by
some settings made on this unit.
! • Cannot set up the subwoofer.
• Cannot set up subwoofer phase.
• No output from the subwoofer.
• Cannot set up the low pass filter.
• Cannot set up the high pass filter.
▲
Subwoofer is not set to On. ☞ <Audio Setup>
(page 58)
▲
The Dual zone function is enabled. ☞ <Zone
Control> (page 76)
! Cannot set up the subwoofer phase.
▲
Subwoofer is not set to On. ☞ <Audio Setup>
(page 58)
▲
Low pass filter is set to Through. ☞ <Crossover
Network Setup> (page 59)
! • 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. ☞ <Zone
Control> (page 76)
! Cannot Folder select.
▲
The Scan play or Random play function is
enabled.
! • The Traffic Information setting is ineffective.
• The Synchronize Clock setting is ineffective.
• Cannot select the tuner as a Dual zone
source.
▲
HD Radio is in use.
▲
Tuner souce function is disabled. ☞ <System
Setup> (page 60)
! • Cannot set up the equalizer.
• Cannot set up the crossover network.
▲
The Dual zone function is enabled. ☞ <Zone
Control> (page 76)
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 doesn’t sound.
✔ The preout jack is being used.
☞ The Touch Sensor Tone can’t be output from
the preout jack.
Tuner source
? Radio reception is poor.
✔ The car antenna is not extended.
☞ Pull the antenna out all the way.
✔ The antenna control wire is not connected.
☞ Connect the wire correctly, referring to the
section on <Connection> (page 84).
Audio file source
? The sound skips when an Audio file is being
played.
✔ The recording condition is bad.
☞ Record the media again or use another
media.