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1 - 7 Fig 4 - Pilot’s V/UHF Control Unit
Pilot’s V/UHF Control Unit
10. The Pilot’s control unit (Fig 4) is on the left wall of the cockpit beside
the Pilot. A list of the controls and functions are in Table 2.
Table 2 - Pilot’s V/UHF Control Unit
Control or Facility
Position
Effect or Function
Function selector
OFF
TR
TR + G
TR + H
No power to system
Normal transmit and receive
Not used
Not used
Frequency selectors:
left outer
left inner
right outer
right inner
1st and 2nd digits (hundreds and tens of MHz)
3rd digit (units of MHz)
1st decimal digit (tenths of MHz)
2nd decimal digit (0.025 MHz steps)
Add 0 or 5 to complete last two digits of
frequency
Frequency display
An incandescent filament lamp display of
the first five digits of the selected frequency
VOLume control
Varies audio input to station boxes
DIMmer control
Varies brightness of frequency display
TEST button
depressed
Steady tone heard if receiver serviceable.
Display shows 888.888 as lamp service-
ability check
Panel lighting
The panel is illuminated by two integral
lamps controlled by the lighting system
UNCONTROLLED DOCUMENT - NOT FOR USE IN FLIGHT OR TO BE PRINTED
UNCONTROLLED DOCUMENT - NOT FOR USE IN FLIGHT OR TO BE PRINTED
