91-005677-041-000.ATT1477.qxd 2/13/1950 7:21 PM Page 15

VOLUME

Telephone Operation

Options while on calls

Mute (Base Only)

During a speakerphone call, press MUTE to silence the microphone. Your caller will not be able to hear you until you press MUTE again to resume speaking.

To adjust listening volume

During a call you can press Vto decrease or ^to increase the listening volume.

If sound is unclear (Handset Only)

If noise or static disrupts a call, press @PROG/CHAN to scan for a clearer radio channel between handset and base.

Temporary tone dialing

If you have dial pulse (rotary) service, you can switch to touch tone dialing during a call by pressing *. This can be useful if you need to send tone signals for access to answering systems or long-distance services.

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AT&T 1177 user manual Mute Base Only, To adjust listening volume, If sound is unclear Handset Only, Temporary tone dialing