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FOR SIMULATION USE ONLY ā NOT A TRAINING AID
Communications Radio (COM1/COM2)
The COM1 and COM2 hard keys allow pilots to access information about the UHF
COM1 or VHF COM2 radio.
When the COM1 or COM2 key is pressed, the appropriate page for the radio
configured as COM1 or COM2 is automatically displayed.
COM1 - UHF PRESET
The COM1 page allows pilots to view and change the COM1 UHF radio preset,
frequency, UHF mode, and squelch setting.
Key Window Action
COM1-UHF
PRESET
UHF ##
W1 - Displays UHF and a two-digit number
indicating the current COM1 UHF radio preset
number, which has an allowable range of 01 to 20
and can be changed using the UFCP alphanumeric
keyboard and pressing the ENT key.
Changing the preset number in this window
automatically retunes the COM1 UHF radio to the
frequency corresponding to that preset.
If the active UHF frequency is not a preset
frequency, the UHF display will not display a
preset but rather UHF ## is displayed where ##
take the place of the numerals normally present
had there been an associated preset available.
UHF
Frequency
W2 - Displays the current COM1 UHF frequency
programmed to the UHF preset number displayed
in W1.
Pressing W2 activates the W2 data entry mode and
allow the UHF frequency to be changed using the
alphanumeric keyboard and ENT button.
T/R, TR+G, or
G
W3 - The UHF radio is capable of operating in
three active modes.
The usual mode is set to transmit and receive on
the selected preset (MAIN) and also to receive on
Guard frequency (121.800).
This mode is abbreviated with the caption TR+G.
The radio can also operate without the Guard
monitor active.
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