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AV-118 < SYMPTOM DIAGNOSIS > [AUDIO WITH NAVIGATION] NORMAL OPERATING CONDITION THE CURRENT POSITION MARK JUMPS. In the following cases, the current location mark may appear to jump as a result of automatic correction of the when map matching is done. At this time, the location may be “corrected” to the incorrect road or to a loca- • When GPS location correction has been done when location is corrected using GPS measurements. At this time, the location may be “corrected” to a loca- THE CURRENT LOCATION MARK IS IN A RIVER OR THE SEA. The navigation system moves the current location mark with no distinction between land and rivers or sea. It CURRENT LOCATION MARK ROTATES WITHOUT OPERATION The rotating condition is recorded as the stop condition if the ignition switch is turned ON with the turntable WHEN DRIVING ON THE SAME ROAD, SOMETIMES THE CURRENT LOCATION MARK IS IN THE The conditions of the GPS antenna (GPS data) and gyroscope (angular speed sensor) change gradually. LOCATION CORRECTION BY MAP MATCHING IS SLOW. • The map matching function needs to refer to the data of the surrounding area. It is necessary to drive some distance for the function to work. • Because of the way map matching operates, when there are many roads running in similar directions in the surrounding area a matching determination may be impossible. The location will remain uncorrected until ALTHOUGH THE GPS RECEIVING DISPLAY IS GREEN, THE VEHICLE MARK DOES NOT RE- • GPS accuracy has a malfunction range of about 10 m (30 ft). In some cases the current location mark may not be on the correct street, even when GPS location correction is done. • The navigation system compares the results of GPS location detection with the results from map-matching location detection. The one that is determined to have higher accuracy is used. • Position correction by GPS is not available while the vehicle is stopped. THE NAME OF THE CURRENT PLACE IS NOT DISPLAYED. The current place name might not be displayed when there is no name of place information in the map screen. THE DISPLAY IS DIFFERENT BETWEEN BIRDVIEW ® AND (FLAT) MAP DISPLAY. The following is different at Birdview ® . • The current place name displays names that are primarily in the direction of vehicle travel. (flat) map display. • The conditions for display of place names, roads, and other data are different for nearby areas and for more distant areas. • Some trimming of the character data is done to prevent the display from becoming too complex. In some cases and in some locations, the display contents may differ. • The same place name, street name, etc. may be displayed multiple times. |