Mercedes-Benz S-Class 2012 - Manual (Page 250)

headphones as shown to prevent the
batteries from falling out.
X Remove the discharged batteries from the
tray.
X Insert the new batteries. Observe the
polarity markings on the batteries and
battery tray when doing so.
Left-hand battery: The positive pole (+)
must face upwards.
Right-hand battery The positive pole (+)
must face downwards.
X To close the battery compartment:
press battery compartment cover
downwards until it engages into place.
If the batteries have been inserted
correctly, the indicator lamp will light up
green when the headphones are switched
on.
Basic functions
Using headphones
i Vehicles intended for sale in the USA are
equipped with cordless headphones.
Corded headphones are available for the
Canadian and other markets.
You can use the cordless headphones
supplied and/or up to two sets of corded
headphones connected to the corresponding
jack of the rear-compartment screens
(
Y page 139).
You will find information on the following
topics in the "Cordless headphones" section
(
Y page 142).
R Switching the cordless headphones on/off
R
Adjusting the volume of the headphones
R
Selecting a screen for the headphones
Using the main loudspeakers
This function is available in conjunction with
COMAND.
You can use the vehicle loudspeakers to
listen to a disc inserted in the rear-
compartment drive. To do so, at least one of
the rear-compartment screens must be set to
disc mode.
X To set operation via the main
loudspeakers: press the R function
button on the center console once or twice.
X Select Audio by sliding ZV the COMAND
controller and press W to confirm.
The Audio menu appears.
X Select Rear by turning cVd the COMAND
controller and press W to confirm.
i The headphones' volume setting does not
affect the main loudspeakers.
Adjusting the sound settings
You can select the sound settings in the audio
CD/DVD/MP3, video DVD and AUX modes.
X Switch on an audio operating mode (e.g.
audio CD mode).
X Select Treble or Bass using
the :=; buttons on the remote
control and press the 9 button to confirm.
An adjustment scale appears.
X Select a setting using the 9:
buttons and press the 9 button to confirm.
Multiple users
Simultaneous use of the rear-
compartment disc drive
The two rear-compartment screens can be
operated almost entirely independently from
one another. However, there can be a conflict
in some menus if the two screens are used
simultaneously.
If the rear-compartment disc drive is being
used for both screens simultaneously,
selecting certain menus or settings on one of
the screens also affects the other screen.
The following functions affect both screens:
R
changing playback options
R
selecting a track (from a track list or folder)
R using the play, pause and stop functions
R fast forwarding/rewinding or scrolling
248
Rear Seat Entertainment System
COMAND