Driving Test: Example

The position marker consistently indicates the wrong position when driving in the same area. Determine if this is the result of the map matching Function Or The Gps Function.>

1. Perform Test Pattern 1.

   To Verify The Accuracy Of The Road Configuration Shown On The Display>

2. Perform Test Patterns 1 And 2.

   Compare The Map And The Saved Driving Tracks. The Precision Of The Saved Driving Tracks Is Within Several Hundred Meters.

   To Make Distance Calibration And Adjustments>

3. Perform Test Patterns 1 And 2.

   Make Adjustments By Driving The Vehicle Over A Known Course (Highway Or Other Road Where Distances Are Clearly Marked). Calibrate The Distance Against The Known Distance. Use The Formula Below.

   Calibration Value = Screen Display Distance/Actual Distance