IF Processing Module Controls
42
LED Indicators
Description
I/P Fault
Illuminates when there is a loss of IF input signal
P/A Fault
Illuminates when the peak to average power ratio of the IF input signal exceeds the
safety threshold.
ALC Mute
Illuminates when the required gain has exceeded the operation range of the ALC circuit
Mute
Illuminates when the IF input signal is muted by the IF processing module
Poteniometers
Description
Freq Resp Eq (x4)
Fine adjustment of the system frequency response
ALC
Sets the reference level of the ALC circuit
MAN
Adjusts transmitter gain when ALC disables
MAG
Produces linear equalization of the system
Cut-in
Sets a reference power level above which the linearity equalization circuit is active
Toggle Switches
Description
Lin Equ
Places the linearity equalization IN or OUT of the signal path
Man / ALC
Selects manual or automatic level control of the transmitter
SMA Connector
Description
IF Samp
A sample of the output signal from the IF processing module
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