Mercedes-Benz GL-Class 2012 COMAND Manual - Manual (Page 163)

X Insert the new batteries. Observe the
polarity markings on the batteries and
battery compartment 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:
insert battery compartment cover =
starting with retaining lugs ? into the
battery compartment and allow catch
tab ; to engage in place.
On the cordless headphones
The battery compartment cover is located on
the left headphone.
: Battery compartment cover
The cordless headphones contain 2 type AAA,
1.5 V batteries.
X To open the battery compartment: flip
battery compartment cover : upwards.
As you do so, hold the left-hand side of the
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 compartment 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
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 30).
Information on:
R switching the cordless headphones on/off
R adjusting the volume of the headphones
R selecting a screen for the headphones
can be found in the Cordless headphones
section (
Y
page 32).
Using the main loudspeakers
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 using COMAND: press, for
example, the $ function button once or
twice to switch on an audio mode.
X Select Audio using the 9 button and
press the 9 button to confirm.
The audio menu (
Y
page 21) appears.
X Select Rear using the 9: buttons
and press the 9 button to confirm.
i The headphones' volume setting does not
affect the main loudspeakers.
Basic functions
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