GAI-Tronics IDA1000A DC Remote Adapter Installation and Service Manual - Manual (Page 12)

Operation Model IDA 1000A DC Remote Adapter
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Front Panel LED Operation
The operation of the IDA1000A DC Remote Adapter front panel LEDs is as follows:
PWR LED
The PWR LED illuminates to indicate that the IDA1000A DC Remote Adapter dc power is on.
PTT LED
The push-to-talk LED, labeled PTT , illuminates when a valid transmit request has been decoded.
MON LED
The timed or constant monitor LED, labeled MON , illuminates when the IDA1000A is in the monitor
mode, and indicates detection of a line current level of -2.5 mA.
F2 LED
The front panel F2 LED indicates detection of line current level of 12.5 mA (F2). It illuminates to
indicate that the unit is programmed to use the F2 transmit (12.5 mA) command, which is supported when
used with a two-frequency base station.
F1 LED
The front panel F1 LED illuminates to indicate that the unit is programmed to translate the single-
frequency (5.5 mA) transmit command into signals to control base station operation. The IDA1000A
may be programmed to revert to F1 or F2 receive after transmit.