GAI-Tronics ITR1000-001 Model ITR1000-001 Basic Tone Remote Deskset with Line Select User and Installation Manual - Manual (Page 9)

ITR1000-001 Basic Tone Remote Desk Set Description
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F1, F2, F3, and F4/LS Frequency Buttons
Normally, these buttons are used to change frequencies on the selected radio. However, the use and
function of these buttons are dependent on your radio’s capabilities. Whenever a frequency button is
pressed, the button illuminates until a different frequency button is pressed. The F4/LS button and LED
are used to select the desired line (radio channel), if programmed to do so.
Volume Buttons
The desk set includes two buttons labeled
VOLUME.
One is imprinted with an up arrow, and the other
with a down arrow. They are used to increase and decrease the local speaker volume and as
programming function keys.
Control Button
The
CTL
button is used in conjunction with the
VOLUME
Up or
VOLUME
Down buttons to control the
local speaker. It is also used during programming.
Intercom Button
The Intercom button, labeled IC, allows communication between desk set users without transmission
over the radio.
Monitor Button
The
MONITOR
button is used to place the radio in the monitor mode.
Transmit Button
The
TRANSMIT
button is used to initiate voice transmissions. Pressing the
TRANSMIT
button places the
desk set in the transmit mode.
Transmit LED
The
TRANSMIT
LED illuminates when transmitting.
Internal Microphone
This microphone is intended for use in low noise environments. The handset must be on-hook in order to
use the microphone.
Handset
The desk set is equipped with a handset with a coil cord used for receiving and transmitting calls. The
handset includes a push-to-talk (PTT) pressbar.