Mercedes-Benz G-Class 2022 Operator's Manual page 294

Set the volume.
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Further information on the recommended recep-
tion and transmission volume: https://
www.mercedes-benz-mobile.com/
▌Adjusting the call and ringtone volume
Multimedia system:
System õ Audio
4 5
Select Speech volume or Ringtone
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Set the volume.
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▌Starting or stopping mobile phone voice recog-
nition
Requirements
The mobile phone is connected to the multi-
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media system ( page 287).
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Starting mobile phone voice recognition
Press and hold the ó button on the multi-
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function steering wheel for more than one
second.
You can use mobile phone voice recognition.
Stopping mobile phone voice recognition
Press the 8 or ~ button on the multi-
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function steering wheel.
Business telephony
▌Overview of business telephony operating
modes
Telephone
5
Business telephony offers you the following oper-
volume.
ating modes:
Using SIM card (
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Using SIM card in combination with a specific
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mobile phone
This operating mode is mainly intended for
those using multiple SIM cards. As soon as
the mobile phone associated with the SIM
card is connected with the multimedia system
in the vehicle, the SIM card is automatically
activated for business telephony. The associa-
tion of the SIM card with the set mobile phone
prevents automatic activation of business tel-
ephony via the SIM card if the vehicle is bor-
rowed by other persons, for example
( page 291).
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page 291)
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Multimedia system 291
Using a mobile phone with Bluetooth
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SAP (SIM Access Profile) (
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▌Using a SIM card for business telephony
Open flap 1 in the footwell at the front right.
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Lightly press cover 5 of the compartment for
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the SIM card reader.
The compartment opens.
®
profile
page 292)