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?The sound quality is poor or distorted.25
One of the speaker wires is being pinched by a screw in the car.
Check the speaker wiring.
The speakers are not wired correctly.27
Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
?The Mask Key item isn’t displayed in the Menu System.33
The Mask Key function is already activated.
When the Mask Key function is activated it isn’t displayed in the
menu items.
?The Touch Sensor Tone doesn’t sound.34
The preout jack is being used.
The Touch Sensor Tone can’t be output from the preout jack.
?Even though Synchronize Clock is ON, the clock can’t be adjusted.35
The received RDS station isn’t sending time data.
Receive another RDS station.
?Even though the vehicle light switch is turned ON, the unit’s display
won’t dim.36
The dimmer wire isn’t connected.
Connect the dimmer wire correctly.
?The display color changes subtly. 38-2
This is because thetemperature is different than the temperature
when the setting was done.
The display color condition changes subtly according.to the
ambient temperature.

Tuner source

?Radio reception is poor.39
The car antenna is not extended.
Pull the antenna out all the way.
The antenna control wire is not connected.40
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
?The desired frequency can’t be entered with the Direct Access
Tuning.41
A station that can’t be received is being entered.
Enter a station that can be received.
You’re trying to enter a frequency with a 0.01 MHz unit.42
What can be designated in the FM band is to 0.1 MHz.
?It isn't the set Traffic information sound volume. 43
The set sound volume is less than the tuner sound volume.
If the tuner sound volume is louder than the set sound volume,the
tuner sound volume is used.
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