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? The Security Code item isn’t displayed in the Menu System.32
✔ The Security Code function is already activated.
☞ When the Security Code 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 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.
? AUX cannot be selected. 103
✔ <Built-in Auxiliary input Setting> is turned off.
☞ Refer to the <Built-in Auxiliary input Setting> (page 28) in the
menu setting and turn on the <Built-in Auxiliary input Setting> .
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.
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
☞ Eject the disc magazine and check the number for the specified
disc.
✔ The disc is severely scratched.55
☞ Try another disc instead.
? The specified track will not play.58
✔ Random play or magazine random play has been selected.
☞ Turn off random play or magazine random play.
? Track repeat, disc repeat, track scan, random play, and magazine
random play start by themselves.59
✔ The setting is not canceled.
☞ The settings for these functions remain on until the setting to off
or the disc ejected, even if the power is turned off or the source
changed.
Troubleshooting Guide
KDC-Z838/Z737_U.S_r2 02.11.15 10:07 AM Page 36