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— 38 —— 38 —
? 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 Dimmer function doesn’t work. 38-1
✔ The Dimmer wire isn’t connected correctly.
☞ Check the Dimmer wire connection.
? 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.
Cassette tape source
? Can’t remove tape.44
✔ The cause is that more than 10 minutes has elapsed since the vehicle
ACC switch was turned OFF.
☞ The tape can only be removed within 10 minutes of the ACC
switch being turned OFF. If more than 10 minutes has elapsed,
turn the ACC switch ON again and press the Eject button.
? The DPSS, Tape Advance and Music Repeat don’t operate
correctly.45
✔ The space between the songs on the tape can’t be recognized
because it’s too short.
☞ Have at least 4 seconds between songs.
✔ The space between songs can’t be recognized because there’s too
much noise between songs.46
☞ Reduce the noise between songs.
?
The blank skip doesn’t work.47
✔ Because noise is too loud, the non-recorded part can’t be recognized.
☞ Reduce the noise between songs.
? Blank Skip functions at places that are recorded.48
✔ Because the recording level is low, it’s recognized as not recorded.
☞ Turn Blank Skip OFF.
Disc source
? "AUX" is displayed without achieving External disc control mode.50
✔ O-N switch is set to "O" side.
☞ Set the switch to "N" side.
✔ Unsupported disc changer is connected.51
☞ Connect the supported disc changer. (page 3)
? The specified disc does not play, but another one plays instead.52
✔ The specified CD is quite dirty.
☞ Clean the CD.
✔ The CD is upside-down.53
☞ Load the CD with the labeled side up.
✔ The disc is loaded in a different slot from that specified.54
Troubleshooting Guide
KRC-791_U.S 01.10.29 11:54 AM Page 38