GAI-Tronics ILD1000A Local Deskset User and Installation Manual - Manual (Page 11)

7 02/12
Operation
Front Panel Button Operation
VOLUME Up/Down Buttons
Press the
VOLUME
Up or
VOLUME
Down buttons to adjust the local speaker volume. They are also used
as programming function keys.
(CTL) Control Button
The
CTL
button is used in conjunction with the
VOLUME
Up and Down buttons to manually control the
local speaker. Press and hold the
CTL
button, and then press the
VOLUME
Up or
VOLUME
Down button.
IC (Intercom) Button
Press the
IC
button to communicate between desk sets without transmitting over the radio. When the
IC
button is pressed and held, microphone audio is routed to the line without activating the radio transmitter.
Other parallel desk sets will hear the audio automatically.
MONITOR Button
Press the
MONITOR
button (CTCSS/CDCSS disable) to place the radio in the monitor mode. Press this
button before making a call to verify a clear radio channel is available.
TRANSMIT Button
Press the
TRANSMIT
button to place the desk set in the transmit mode and initiate voice transmissions.
With the handset on-hook, transmit audio is picked up from the internal microphone.
Receiving Calls
Local Speaker
When power is applied, the desk set is in the receive mode, allowing receive audio to be heard through
the speaker or handset. The desk set is always in receive mode unless the user presses the
TRANSMIT
or
IC
buttons.
The desk set contains an internal (local) speaker and a handset speaker, which operate as follows:
 When the handset is in the cradle, or on-hook, receive audio is heard on the local speaker.
 When the handset is off-hook, receive audio is routed to the handset.
Muting the Local Speaker: Press CTL
+
VOLUME
Down to mute the local speaker. The selected
frequency button flashes to indicate that the speaker is muted. Unmute the speaker by pressing
VOLUME
Up,
VOLUME
Down, or
CTL
+
VOLUME
Up.
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.