GAI-Tronics ITR2000A Tone Remote Deskset User and Installation Manual - Manual (Page 15)

ITR2000A Tone Remote Desk Set Operation
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F1, F2, F3, and F4 Programmable Buttons
F1
,
F2
,
F3
, and
F4
are programmable for specific function tones using the CARD Suite Software. Refer
to the “CARD Suite Software Programming” section for programming instructions.
Each time the ITR2000A is powered up, the status of the radio is unknown. The red LED flashes in the
programmable button last selected before the unit was powered down to provide indication of the
currently selected function tone. The flashing continues until the user or a parallel desk set transmits or
changes frequencies.
Each time guard tone is detected on the line, the ITR2000A assumes that the status of the radio is
unknown until a function tone is decoded at the proper time. Note that the programmable button LED
will remain flashing even if the user keys the
MONITOR
button after power up. This is because the
monitor command does not control which frequency is being monitored, and the state of the radio is still
unknown.
Receiving Calls
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
TRANSMIT
or
IC
.
The desk set contains an internal or 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 internal speaker.
 When the handset is off-hook, receive audio is routed to the handset.