Volume/tone adjustments, function - GF82.60-P-2003GI

MODEL 163 as of 1.9.01 with CODE (522) Modular control system (MCS) radio USA with CODE (357) Navigation system - additional unit with CODE (818b) Single CD player - additional unit with CODE (491) U.S. version 

It is necessary to distinguish between audio and service sources on the radio and navigation module (A2/56)  :

• Audio sources  are:
  • Radio
  • CD player
  • CC player
  • CD changer (code 819a)
• Service sources  include:
  • Voice output on navigation
  • telephone

Signal editing required for volume and tone settings  is accomplished by the audio component integrated into the radio and navigation module (A2/56) 

If the vehicle is additionally equipped with a sound system (code 810), the sound amplifier (A2/13)  ensures final audio signal amplification.

• Volume setting 

  By turning the volume knob the volume of the corresponding mode changes.

• Tone setting 

  The tone settings as well as the general brightness adjustment of the display can be reached by pressing the multifunction key" ADJ  ". If the multifunction key" ADJ  " is pressed for longer than 2 s  all tone settings of all modes jump back to the center position. This is confirmed by a short peep tone. The adjustment possibilities for treble/bass, balance and fader are summarized in one display.

  They can be selected by actuating the multifunction keys " " and " ". The corresponding setting can be changed by actuating the multifunction keys"-  " and "+  " or "L  ", "R  ", "F  " and "R  ".

These settings can also be made with the "joystick  " in an analogous manner. When the headlamps are switched on the brightness setting of the display can be reached by pressing the multifunction key" BRT  " in the tone setting menu. Here it is possible to select between " bright  " and "dark  ". Simultaneously pressing the multifunction keys " -  " and "+  " or "L  " and "R  " or "F  " and "R  " resets the corresponding setting in the current mode to the center position

Tone setting is not possible in the telephone or navigation mode. The tone or brightness setting can be exited by pressing the multifunction key EXIT  ".