Touch screen
The unit is equipped with the so-called resistive (pressure / resistance) touch
screen.
The function keys on the screen can be operated by a light finger pressure to
the screen surface.
CAUTION
■ The screen can only be operated by a slight touch of a finger. With too much
pressure, the screen can be damaged.■
Do not use any objects to operate the screen, which could damage the
screen surface.
■
Solvent based cleaners can damage the screen surface.
■
Use a soft cloth and, if necessary, methylated spirits, to remove fingerprints
from the screen. When doing so, ensure that you do not cause damage to oth-
er parts of the interior.
Note
■ To protect the screen, a suitable protective film for touch screens can be
used.■
The brightness level can be set » page 13, Screen settings .
Switching the unit on/off
›
The unit is switched on or off by briefly pressing the on/off knob .
When the device is switched on, the audio source and operating mode that
were active before switching off the device will be restored.
If Telephone mode was active before you switched off the unit and the igni-
tion and Bluetooth ®
function is not switched on, the screen displays the mes-
sage » page 28 , Problems with the Telephone function . Switch on the igni-
tion or the Bluetooth ®
function » page 14 , Bluetooth ®
settings .
If the vehicle key is pulled out of the ignition lock while the unit is switched on,
the unit will switch off automatically. After switching on the ignition, the unit
is turned on automatically.
If the device was switched off using the
knob, then the device will not
switch on automatically after switching on the ignition.
The unit will switch off automatically after the engine is switched off and the
door is opened if the vehicle is fitted with the KESSY system. If you open the
driver's door before switching off the engine, the device will also switch off.
When the ignition is switched off, the device switches off automatically after
approx. half an hour (discharge protection of the vehicle battery).
Adjusting volume
Increase the volume
›
Turn the knob to the right.
Reduce the volume
›
Turn the knob to the left.
Muting
›
Press the key or turn the knob to the left and set the volume to 0.
If something is being played over the media at the time of reducing the volume
with the adjustment knob
to 0 then what is being played over the media is
paused.
CAUTION
■ High volumes can cause sound resonance and sound distortion in the vehi-
cle.■
The car speakers may be damaged if the volume is set too loud.
Note
■ The change in volume is displayed on the screen.■The following symbol appears in the display when the sound is muted : .■
The speakers in the vehicle are matched for the power output of the device.
6Introductory information
