GE 0001957 Manuel D’Utilisation

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Speakerphone
1.  When the phone rings, press the speaker button to 
answer a call.
.  When finished, press the speaker button to hang up.
You may switch between the speakerphone and the handset 
during the dialing process or anytime during a conversation. 
Speakerphone to Handset - Pick up the handset to disable 
the speakerphone. The speakerphone indicator turns off.
Handset to Speakerphone - Press the speaker button, and 
then hang up the handset. The speakerphone indicator turns 
on and the handset is disabled.
Volume
You can control the volume of both the handset receiver and 
the speakerphone.
While using the handset or speakerphone, you may adjust 
the volume to the desired listening level by using the 
VOLUME 
(
or
 q) 
buttons. Handset volume has  levels for 
adjustment and Speaker volume has 8 levels.