4
Handset and Speakerphone
volume control
Note: Only the 6220 telephone
has a speakerphone.
This volume control, labeled
, is used for raising or
lowering the volume of the handset when the handset is
being used, or for raising or lowering the volume of the
speakerphone (only on the 6220 telephone) when the
speakerphone is active.
To raise the volume level, press the upper half of the button
labeled
; to lower the volume, press the lower half of
the button labeled
.
Mute button (available only
on the 6220)
For turning off the microphone associated with the handset
or the built-in speakerphone so the other person on the call
cannot hear you.
Program button (available
only on the 6220)
For storing telephone numbers on the programmable dialing
buttons.
Handset
For placing and receiving calls.
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