1. Press the program/mute button. The handset display
shows MUTE ON.
. Press the program/mute button to cancel and return to
your phone conversation.
When the handset is (in TALK mode) you may adjust the
receiver volume by pressing the caller ID-volume
( 6 or 5) button. There are four volume levels to choose
from. When the maximum or minimum volume level is
reached, the phone beeps twice. VOL 1 is minimum and VOL
is maximum.