GAI-Tronics ITR2000A Tone Remote Deskset User and Installation Manual - Manual (Page 16)

Operation ITR2000A Tone Remote Desk Set
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Initiating Calls
Before initiating a call, press
MONITOR
to verify that the radio channel is clear. To initiate a call, press
TRANSMIT
or the handset push-to-talk (PTT) pressbar. The
TRANSMIT
LED illuminates when
transmitting.
Always allow a short delay before speaking to allow time for the radio channel to be established. The
TRANSMIT
button or handset PTT bar must be held down while talking to the radio user and released to
listen. When the transmission is completed, the
TRANSMIT
LED extinguishes and the desk set returns to
the receive mode.
Handset Transmit
Using the handset is recommended when the desk set is located in noisy surroundings, or if full-duplex
2-wire operation is desired. Press the handset PTT bar or
TRANSMIT
button and speak into the handset
microphone.
Transmit From Internal Microphone
Use the internal microphone only in low noise environments. The handset must be on-hook for the
internal microphone to operate. Press
TRANSMIT
and speak in the direction of the internal microphone.
For the best transmit audio quality, maintain a distance of about 12 to 18 inches from the microphone.
Transmit From Desk Microphone or Footswitch
The ITR2000A can be keyed to transmit with an external desk microphone, headset, or footswitch
through the audio accessory port. When a PTT is asserted through this port, the TX audio is originates
there. With the optional relay I/O module, it is possible to key the unit from virtually any logic closure
by using the input remap function of the module.
N OTE : Some desk microphones operate as follows:
After pressing
MONITOR
from the desk mic, the desk set front panel does not allow transmit until after
the desk mic transmit. It may be possible to change this by reversing the PTT and monitor polarity on the
accessory connector.