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the copilot flight instrument lights is supplied by the No.
1 AC bus through the LIGHTING COPLT INST circuit
breaker on the No. 1 PDP.
TM 1-1520-240-10
2-13-4
Figure 2-13-2. Cockpit Lighting and Control
TM 1-1520-240-10
2-13-5
2-13-13. PLT and CPLT INST Switches.
The PLT INST (pilot instrument) control switch is located
on the PLT LTG panel on the right side of the overhead
switch panel (fig. 2-13-2). The CPLT INST (copilot instrument
) control switch is located on the CPLT INST panel
on the left side of the overhead switch panel. The rotary
control switches are labeled OFF, DIM, and BRT. They
adjust the light level from DIM to BRT. When the rotary
control switch is OFF, the respective instrument panel
light system is deenergized.
When the PLT INST rotary control switch is placed out of
the OFF detent, the following lighting is dimmed:
a. Troop warning jump lights on the overhead switch
panel and on the emergency troop alarm and jump lights
boxes on the cargo compartment.
b. The legend on pushbutton switches on the heading
and altitude section of the AFCS panel.
c. The legend on the pushbutton switches on the
pilot and copilot HSI MODE SELECT panels.
d. The legend on STATUS pushbutton switch on the
countermeasure set AN/ALQ-156 control panel.
2-13-14. Center Instrument Panel Lights.
The center instrument panel as well as the fire warning
panel are lighted. Power to operate and control the center
instrument panel lights is supplied by the No. 2 AC bus
through the LIGHTING CTR INSTR circuit breaker on the
No. 2 PDP.
2-13-15. CTR INST Switch.
The CTR INST control switch is located on the PLT LTG
panel on the right side of the overhead switch panel (fig.
2-13-2). The rotary control switch is labeled OFF, DIM,
and BRT. It adjusts the light level from DIM to BRT. When
the rotary control switch is OFF, the respective instrument
panel light system is deenergized.
2-13-16. Canted and Center Console Lights.
NOTE
Some console lights are incompatible with
NVG. During NVG operations, turn the incompatiable
console lights off and light the console
with utility lights or floodlights.
Lighting is provided for all control panels on the canted
and center console. Power to operate and control the
console lights is supplied by the No. 1 AC bus through the
LIGHTING CONSOLE circuit breaker on the No. 1 PDP.
2-13-17. LTG Panel. The LTG panel is located at the
rear of the overhead switch panel (fig. 2-13-2). It consists
of the CTR CSL and STICK POSN IND control switches.
a. CTR CSL Switch. Rotary control switch labeled
OFF, DIM, and BRT. It adjusts the light level on the canted
and center consoles from DIM to BRT. When the rotary
control switch is OFF, the canted and center consoles
light system is deenergized.
b. Stick POSN IND Switch. Rotary control switch
labeled OFF, DIM, and BRT. It adjusts the light level on
the stick position indicator from DIM to BRT. When the
rotary control switch is OFF, the stick position indicator
light system is deenergized.
2-13-18. Dome Lights.
WARNING
If the white dome light is turned on during
NVG operations, the effectiveness of the
NVG may be severely impaired and a hazardous
situation may be created due to
sudden loss of pilot visual references. Do
not turn on the white dome lights during
NVG operations.
Two cockpit dome lights are attached to the overhead
structure adjacent to the overhead switch panel (fig.
2-13-2). Each dome contains a white lamp and a blue
NVG filtered lamp which can be selected individually.
Power to operate and control the dome lights is supplied
by the DC essential bus through the LIGHTING COCKPIT
DOME circuit breaker on the No. 2 PDP.
2-13-19. DOME Switch.
The DOME switch is located on the INTR LTG panel at
the right rear of the overhead switch panel (fig. 2-13-2).
The three-position positive-locking switch is labeled
WHT, OFF, and NVG. It selects the function of the dome
light. The center position lever locking switch prevents
inadvertent white light activation during NVG operations.
When the DOME switch is placed to WHT, the master
caution panel cannot be dimmed. If WHT is selected
while the caution panel is operating on DIM, the caution
lights will automatically switch to BRT mode. During NVG
operations, the DOME switch should only be placed to
NVG.
2-13-20. Pilot and Copilot Utility Lights.
Two utility lights, connected to individual flexible cords, are
mounted in two retaining sockets on either side of the overhead
switch panel above the pilot and copilot (fig. 2-13-2).
　
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