Siemens 3000 v3.0 用户手册
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Conducting calls – enhanced functions
27
Step-by-Step
Conducting calls – enhanced
functions
functions
Speakerphone mode
Features
Speakerphone mode offers you the following advantag-
es:
•
es:
•
Other persons can listen to and participate in the
call.
call.
•
Your hands are free.
•
When dialling, you can hear the ring tone, for exam-
ple, without having to lift the handset to your ear.
ple, without having to lift the handset to your ear.
Speakerphone mode can be used effectively up to a
background noise level of 50 dB (A).
background noise level of 50 dB (A).
Activating speakerphone mode
Speakerphone mode can be activated during a call,
when dialling or when answering a call:
when dialling or when answering a call:
u
Press the Speakerphone key.
Setting the volume
The volume can be set during a call:
u
Press the Speakerphone key once more.
F
or
G
Within three seconds: Press the left or right side of the
control key to reduce or increase the volume.
control key to reduce or increase the volume.
Within three seconds, as necessary: Save the volume
set.
set.
Save