TM 55-1520-240-23-7
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LIGHTING SYSTEMS
(Continued)
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CABIN AND RAMP LIGHTING SYSTEM WITH 17
Description
The cabin and ramp lighting system provides blue-green
NVG or red lighting for the cabin and ramp areas. The
system includes five dome lights, a RED/OFF/NVG
select switch, and a dimming control. The system
operates from the 28 vdc switched battery bus.
Operation
1.
When CABIN & RAMP LIGHTING circuit breaker
is closed, 28 vdc from the switched battery bus is
applied to a moving contact of the RED/OFF/NVG
select switch and to the dimming control.
2.
When the switch is set to NVG, 28 vdc is
connected through the moving contact of the
dimming control to the clear lamps in five dome
lights. Inside the lights, there are NVG filters
over the clear lamps.
3.
When the switch is set to RED, 28 vdc is
connected through the moving contact of the
dimming control to the red lamps in the five
dome lights.
4.
When the red lamps of the dome lights are on,
28 vdc is applied to the troop warning system to
dim the red and green jump lights.
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