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AV-192 < SYMPTOM DIAGNOSIS > [NAVIGATION WITHOUT BOSE] NORMAL OPERATING CONDITION RELATED TO NAVIGATION Basic Operation Vehicle Mark The other party’s voice cannot be heard by hands-free phone. When the radio wave condition is not ideal or ambient sound is too Poor sound quality. Do not place the cellular phone in an area surrounded by metal or Symptom Cause and Counter measure Symptom Cause Remedy No image is shown. Display brightness adjustment is set fully to DARK Adjust the display brightness. No guide sound is heard. Volume control is set to OFF, MIN or MAX. Adjust the audio guide volume. Audio guidance is not available while the vehicle is System is not malfunctioning. Screen is too dark. Temperature inside the vehicle is low. Wait until the temperature inside the vehicle Small black or bright spots appear Symptom peculiar to a liquid crystal display (dis- System is not malfunction. Symptom Cause Remedy Map screen and BIRDVIEW™ Some thinning of the character data is done to pre- System is not malfunctioning. Vehicle mark is not positioned cor- Vehicle is transferred by ferry or by towing after its Drive the vehicle for a while in the GPS sat- Screen will not switch to nighttime The daytime screen is selected by the “SWITCH Perform screen dimming and select the Map screen will not scroll in accor- Current location is not displayed. Press “MAP” button to display the current lo- Vehicle mark will not be shown. Current location is not displayed. Press “MAP” button to display the current lo- Accuracy indicator (GPS satellite GPS satellite signal is intercepted because the ve- Move the vehicle out to an open space. GPS satellite signal cannot be received because Do not place anything on top of the meter dis- GPS satellites are not visible from current location. Wait until GPS satellites are visible by mov- ing the vehicle. |