switel TF 52 Mode D'emploi page 79

Telephoning
Tone control
The tone of the receiver can be adjusted using the corresponding slide
control on the right−hand side of the housing.
Tone adjustment is only possible when the receiver volume
+40 dB boost button is on.
Ringing volume
The ringing volume can be adjusted using the corresponding slide control
on the right−hand side of the housing.
Talk time display
The duration of a call is displayed in minutes and seconds during the call.
Handsfree
Use this function to listen to the caller via the loudspeaker.
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Adjusting the handsfree volume
The handsfree volume can be adjusted using the corresponding slide con-
trol on the right−hand side of the housing.
Muting the microphone in the handset
The microphone in the handset can be activated and deactivated during a
telephone conversation.
Press and hold —
Release —
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Adjust the tone using the slide control
Adjust the volume using the slide
control
Switch on handsfree mode
Deactivate handsfree mode
Adjust the volume using the slide
control
Switch the microphone off (muting)
Switch the microphone on