Placing the device in operation Traffic information
Volume
Adjusting the volume
You can adjust the volume in steps from 0 (off) to 50 (maximum).
Turn the volume control 4 to change the volume.
Note:
If a telephone or navigation system is connect- ed with the car sound system as described in the installation instructions, the car sound system is muted in case of a telephone call or navigation announcement so that you can hear the playback of the telephone or naviga- tion system undisturbed. While it is muted, the display shows "TELEPHONE".
Muting the car sound system (Mute)
You can quickly reduce the volume to a preset level.
Briefly press the On/Off button 3 to mute the car sound system or to reactivate the pre- vious volume.
While it is switched low, the display shows "MUTE".
To adjust the mute volume, please read the sec- tion "Performing settings in the user menu", "Mute LVL" menu item in the chapter "User settings".
Switching demo mode on/off
The demo mode shows the functions of the car sound system as scrolling text on the display. You can turn the demo mode on or off:
Switch off the car sound system if it is not already turned off.
Press and hold the buttons MENU•OK ? and 2 <at the same time and press the On/ Off button 3.
The car sound system switches on. The dis- play briefly shows "DEMO MODE" if you switched on the demo mode. By pressing any button, the demo mode is interrupted and you can operate the device.
Displaying version numbers
You can display the version numbers of the differ- ent device components.
Switch off the car sound system if it is not already turned off.
Press and hold the buttons MENU•OK ? and 1 <at the same time and press the On/ Off button 3.
The car sound system switches on. The dis- play shows the version number of the first component. The first character identifies the component: P = CPU, E = EPROM, A = Accor- do, B = Bluetooth®.
Press the button 
5/ 
>to display the version number of the other components.
Press the MENU•OK button ? to return to the previously played audio source.
Traffic information
In the tuner region "EUROPE", an FM station can identify traffic reports by means of an RDS sig- nal. If the priority for traffic announcements is switched on, a traffic announcement is automati- cally switched through, even if the car sound sys- tem is currently not in radio mode or if a station of the wavebands MW or LW is set.
If priority is switched on, the display shows the
traffic jam symbol (
). "TRAFFIC" is displayed during a
To switch the priority on and off, please read the section "Performing settings in the user menu", "TRAF" menu item in the chapter "User settings".
Notes:
•The volume is increased for the duration of the
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