GAI-Tronics ITR2000A Tone Remote Deskset User and Installation Manual - Manual (Page 14)

Operation ITR2000A Tone Remote Desk Set
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IC (Intercom) Button
Press
IC
to communicate between desk sets without transmitting over the radio. When
IC
is pressed and
held, microphone audio is routed to the line without activating the radio transmitter. Other tone remote
desk sets on the same line will hear the audio automatically.
The
IC
button is also used in programming functions. See “Level Adjustments and Diagnostics” in the
“Installation” section of this manual.
CTL (Control) Button
CTL
is used in conjunction with
VOLUME
Up and Down to manually control the local speaker when the
handset is off-hook. Press and hold
CTL
, and then press
VOLUME
Up or
VOLUME
Down.
VOLUME Up/Down Buttons
Local Speaker Volume:
 Press
VOLUME
Up or
VOLUME
Down to adjust the local speaker volume if the handset is on-hook.
 Press
CTL
+
VOLUME
Up to enable the local speaker while the handset is off-hook. When the
handset is placed back on-hook, the local speaker again operates normally– that is, it will be disabled
whenever the handset is taken off-hook.
Local Speaker Mute:
 Press
CTL
+
VOLUME
Down to mute the local speaker.
 Press
VOLUME
Up,
VOLUME
Down, or
CTL
+
VOLUME
Up to unmute the local speaker.
Handset Speaker Volume (with handset off-hook):
Press
VOLUME
Up or
VOLUME
Down to adjust the handset speaker volume.
The volume control buttons are also used to adjust the sensitivity of the selected microphone, and in
programming functions. Refer to the “Microphone Sensitivity and Level Adjustments and Diagnostics”
in the “Installation” section for further instructions.