System Instruction

Troubleshooting
102
Troubleshooting
Problems and Solutions
If any trouble occurs, first check the following
table for possible problems.
NOTE
• Some functions of this unit may be disabled by
some settings made on this unit.
• What might seem to be a malfunction in your
unit may just be the result of slight misoperation
or miswiring.
Ñ About settings
• 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.
 Set the subwoofer to on. See Speaker / X’over
setup (P.75).
The dual zone function is enabled.
 Set the dual zone function to off. See Zone Control
(P.80).
• 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.
 Set the dual zone function to on. See Zone Control
(P.80).
• Cannot set up the equalizer.
• Cannot set up the crossover network.
The dual zone function is enabled.
 Set the dual zone function to off. See Zone Control
(P.80).
Ñ About audio operations
Radio reception is poor.
The car antenna is not extended.
 Pull out the antenna all the way.
The antenna control wire is not connected.
 Connect the wire correctly. See Connecting the
system and external components (P.98).
Cannot select a folder.
The random play function is enabled.
 Turn off the random function.
The unit does not respond when you try to
perform a operation during USB mirroring.
 Unplug the smartphone from the USB terminal,
then reattach the smartphone again.
Ñ Others
The Touch Sensor Tone doesn’t sound.
The preout jack is being used.
 The Touch Sensor Tone cannot be output from the
preout jack.
Android smartphone operation is slow.
This occurs when multiple applications are started on
the Android smartphone.
 For details, see Caution for Smartphone Users
(P.4).