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− − − − − Navigation Unit Calculation of Vehicle Position Map Matching Tuning GPS Tuning Distance Tuning Route Guidance Audio Guidance DVD-ROM 23-107 The navigation unit calculates the vehicle position and guides you to the destination. The unit performs map matching The navigation unit calculates the vehicle position (the driving direction and the current position) by receiving the The map matching tuning is accomplished by indicating the vehicle position on the roads on the map. The map data The GPS tuning is accomplished by indicating the vehicle position as the GPS’s vehicle position. The navigation unit The distance tuning reduces the difference between the travel distance signal from the VSP and the distance data on The navigation unit can calculate different routes to a selected destination. You have five options: • Direct Route Calculate a route that is the most direct. • Easy Route Calculate a route that minimizes the number of turns needed. • Minimize Freeways Calculate a route that avoids freeway travel. If that is not possible, keep the amount of freeway travel to a minimum. • Minimize Toll Roads Calculate a route that avoids, or minimizes travel on toll roads. • Maximize Freeways Calculate a route that uses freeways as much as possible. The navigation unit transmits audio driving instructions before entering an intersection or passing a junction. NOTE: The front speakers are muted whenever the navigation system is giving guidance commands, and all of the The map data (including all scale rates) is stored in the DVD-ROM. The map data includes: • Road distances, road widths, speed limits, traffic regulations, passing time at junction, distances to junctions, and the driving instructions for audio guidance. • Latitude and longitude GPS. 08/08/21 14:06:28 61SNR030_230_0110 |