GF82.61-P-2002SK Continuous Position Finding, Function

GF82.61-P-2002SK Continuous Position Finding, Function
- with CODE (525) MB Audio 50 APS radio
- with CODE (527) COMAND APS with single DVD drive (with navigation)













The navigation processor of the radio and navigation unit (A2/56) with code (525) Audio 50 APS MB radio is integrated into the control unit. With the COMAND operating, display and controller unit (A40/3) with code (527a) COMAND APS (with navigation), the external navigation module is designated as navigation processor (N41/1).

The current traffic situation is taken into consideration in the dynamic route guidance. The incoming information on the traffic situation can be received via the radio receiver in the audio gateway control unit (N93/1) with the function "Radio data system" and the traffic information channel

The information on the current traffic situation is sent out by a specially equipped broadcasting corporation on an area-related basis (e.g FM) For this purpose a corresponding station must be tuned in. The radio receiver receives the traffic reports from the left antenna amplifier module (A2/64) and passes them on to the traffic data memory. The traffic messages are stored in the traffic data memory of the radio and navigation unit (A2/56) and made available to the navigation processor (N41/1).

The service of the traffic message channel is coded, i.e. a decoder is necessary for this reception (fee required, but better service), or uncoded (free of charge).

Since no communication is accomplished between the vehicle and the broadcasting corporation, the traffic data recorder selects the traffic messages related to the route on which the vehicle is presently driving as well as the surrounding area.

Traffic information analysis
The traffic data memory decodes the traffic information and passes it on to the navigation processor (N41/1) (internally) upon request. The navigation processor (N41/1) makes the decision whether the route should be changed. If necessary, a message that the route should be changed is output via the vehicle speaker. The traffic data recorder requires an up-to-date "location list" from the navigation processor (N41/1) for synchronization purposes. In this list every stretch and every significant point (e.g. highway exit) on the recorded road network is identified by a unique number.


This list is originally stored on the DVD-ROM. It is automatically loaded into the traffic data recorder as required (e.g. when DVD-ROM is changed). The traffic information stored in the traffic data memory is erased automatically after half an hour, max. 100 messages can be stored. The decoded traffic messages are highlighted on the map by means of corresponding symbols. They can also be displayed as plain text. To do this, press the "TRAFFIC JAM" button
Traffic messages relevant for routes are:
^ Road blocked
^ Jam
^ Slow-moving traffic
^ Heavy traffic
^ Light traffic
^ Road works
^ Trouble-free traffic

In the "Navigation" menu, the list of traffic information can be called up by pressing the "Traffic message station" button.