3-8 Operations and features
297-2041-900 Standard 02.01 October 1991
Table 3-2xxx
Headset Operations
Initial State
Action
Result
Verification
Idle or Active
Insert headset
Enable
Generates off-hook condition
(IN CALLS and Mute Handset
LCD indicators turn ON).
Active
headset
Depress RELEASE
(Rls) key
Disable
Generates release message.
Call disconnects.
Active
headset
Lift handset
Disable
handset/
mute
Routes speech to handset.
Mute LCD indicator is winking.
Handset microphone is muted
for call monitoring only.
Depressing the MUTE button
turns off the LCD and the
muting of the handset
microphone.
Active
handset
Depress MUTE key Mute
handset
micro-
phone
Disables handset microphone,
but handset receiver remains
on. Microphone can be
restored by operating the
MUTE key again. The Mute
LCD indicator winks during
microphone muting; winking
stops if the MUTE key is
depressed again and LCD is
off. This Mute feature only
functions in handset mode,
disabling the mouthpiece
microphone (transmitter).
Active
headset
AC power failure
Headset
disabled
Handset
enabled
Lift handset and continue
conversation until power is
restored.
