Mercedes-Benz 2010 GLK-Class Operator's Manual page 134

Audio system
132
i
It is not possible to enter a frequency in
the respective wave band which is outside
the frequency range. Frequencies within
the current frequency range, but outside
the current frequency step width are
rounded to the next lower allowed
frequency.
X
Enter 1045 with the keypad on the audio
control unit.
The audio system tunes in to the frequency
entered.
Operation
In the following description, an operation step
is described as in the example below.
X
$ Q Radio Q Enter Frequency
is the short for
X
Press button $ on audio control unit
repeatedly until desired wave band has
been selected.
X
Slide VÆ.
X
Slide XV or rotate
controller to select Radio.
X
Press the audio controller W.
The Radio menu is selected and a list of
submenus appears.
X
Slide ZV or rotate
controller to select Enter Frequency.
X
Press the audio controller W.
The Enter Frequency submenu appears
in the audio display.
the audio
cVd
the audio
cVd
Switching audio system on or off
X
Switching on: Press push button q.
or
X
If the audio system was on as you switched
off the ignition, turn the SmartKey in the
starter switch to position 1.
The audio system will come back on with
the last selected function.
i If the audio system is switched on without
the SmartKey in the starter switch, it will
automatically switch off again after
approximately 30 minutes.
X
Switching off: Press push button q.
or
X
Turn the SmartKey in the starter switch to
position 0 and remove SmartKey from
starter switch.
i Should excessively high temperatures
occur while the audio system is being
operated, Temperature Too High -
Device switching off now. will appear
in the audio display, after which the audio
system will be switched off for a cooling-
down period.
i
When you switch off the audio system,
you also switch off the currently playing
audio source. Also, telephone operation via
the audio control unit is not possible.