Use Fold-Out 11 to locate each of the items listed.
Item
Control or Indicator
Function
10
XMTR CHANNEL control--------------- Selects transmitter channel.
11
XMTR CHANNEL indicator------------- Indicates channel selected.
12
XMTR TUNE control --------------------- Tunes driver and final RF
13
XMTR TUNE indicator ------------------- Indicates channel to which
driver and final RF ampli-
fiers are tuned.
14
PWR OUT PEAK control----------------- BAND I: Peaks the driver
amplifier when the knob
is pushed in and peaks
the final amplifier when
the knob is pulled out.
BAND II: Peaks the final
amplifier.
BAND III: Not used.
15
PWR OUT connector---------------------- Connects transmitter output
to duplexer in receiver.
c. Receiver Controls and Indicators. The receiver portion of the AN/GRC-103 has two
separate components. One is the receiver fixed head and the other is the receiver RF head. Each
of these two components has its own controls and indicators which are used during tuning and
testing of the radio set. Listed on the following pages are the Receiver Fixed Head controls and
indicators. Locate the receiver fixed head on your job aid card.
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