Symptom Cause Action (Reference)The person on the other end ofthe phone call cannot hear theconversation due to an echo.The voice from the person on theother end of the phone call is outputfrom the speakers and then pickedup by the microphone again, creat-ing an echo.Use the following methods to reduce theecho:—Lower the volume on the receiver—Have both parties pause slightly beforespeakingThere’s no picture. The backlight of the LCD panel isturned off.Turn on the backlight. (Page 124)There is no response when thetouch panel keys are touched, ora different key responds.The touch panel keys deviate fromthe actual positions that respond toyour touch for some reason.Perform touch panel calibration. (Page 122)The USB storage device cannotbe used.The USB storage device has beenremoved immediately after pluggingit.Park your vehicle in a safe place, and turn offthe engine. Turn the ignition key back to Accoff. Then start the engine again, and turn thepower to the navigation system back on.Problems in the audio screenSymptom Cause Action (Reference)CD playback is not possible. The disc is inserted upside down. Insert the disc with the label upward.The disc is dirty. Clean the disc.The disc is cracked or otherwise da-maged.Insert a normal, round disc.The files on the disc are an irregularfile format.Check the file format.The disc format cannot be playedback.Replace the disc.The loaded disc is a type this systemcannot play.Check what type of disc it is.The audio skips. The navigation system is not firmlysecured.Secure the navigation system firmly.No sounds are produced.The volume level will not rise.Cables are not connected correctly. Connect the cables correctly.The system is paused or performing,fast reverse or forward during theaudio playback.There is no sound on fast reverse or forward.iPod cannot be operated. The iPod is frozen. ! Reconnect the iPod with the USB interfacecable for iPod.! Update the iPod software version.An error has occurred. ! Reconnect the iPod with the USB interfacecable for iPod.! Park your vehicle in a safe place, and applythe parking brake. Turn the power off andthen turn the power on. If this does not solvethe problem, press RESET button on the navi-gation system.! Update the iPod software version.En 137AppendixAppendixAppendix
