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Home >> Mercedes Benz >> 2008 >> E550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> COMAND, Emergency, Entertainment & Navigation -- Basic Knowledge -- E550 (211.072) >> Basic Knowledge >> Voice output, function - GF82.85-P-3001TJ

Voice output, function - GF82.85-P-3001TJ

MODEL 211.0 /2 with CODE (529) HIGH Class Japan 

IMPORTANT The navigation processor is integrated in the operating unit with code (529) HIGH Class Japan.

The navigation of the navigation system (based on DVD data basis) is basically supported by voice outputs:

On roads without names the compass direction (North, South, East and West) is specified. No compass direction is stated in the case of streets (e.g. in towns) which are designated by a name.

The voice data is originally stored on the navigation DVD-ROM as individual word segments. This data record is automatically transferred from the DVD-ROM to the navigation processor and stored there.

The navigation processor links these word segments into complete instructions or information and produces corresponding LF signals.

The audio frequency signals generated in this way are relayed as necessary via the MOST to the audio signal processing in the audio gateway control module (N93/1), amplified there and then output via the vehicle speakers.

IMPORTANT Several driving recommendations coming in quick succession are combined into a single voice output.

Control of the navigation system voice output 

If a major emergency message is transmitted, the audio output consists only of this message as this has absolute priority and must not be interrupted by any other message.

If the volume is altered during a navigation system voice output, this is regarded as the absolute level for the next navigation system voice output. For the volume setting, the following options exist:

Setting options:

The navigation voice output has the basic values of Minimum and maximum level.

The volume cannot be set below the minimum level or above the maximum level during the navigation system voice output. In this case, after the navigation system voice output, the minimum level or the maximum level is then set for the next navigation system voice outputs.

Voice output muting 

The navigation voice output can be muted by pressing the MUTE button for 2 seconds during a voice output.

The mute feature applies only for the current voice output. If the MUTE button is operated for t 2 s, a window appears in the NAVI screen with the content "Driving Instructions Muted".

Activating voice output:

Destination guidance, function GF82.61-P-3012TJ