TM 55-1520-240-23-7
9-124.1
LIGHT LEAK TEST
(Continued)
9-124.1
COPILOT’S INSTRUMENT PANEL LIGHTS
12.
While performing steps 13 through 15, check
copilot’s instrument lighting. There shall be no
white light leaks from NVG blue/green lighting.
13.
Close CPLT INST LIGHTING circuit breaker (22)
of No. 1 PDP (23).
14.
Turn CPLT INST control (24) to BRT. Check lights
given in step 3 of pilot’s instrument panel (25).
Brightness shall increase evenly as control is
turned and light color shall be blue/green.
NOTE
There is no cruise guide indicator on
copilot’s instrument panel.
15.
Turn control (24) to OFF. Check instrument and
panel lights of step 14. They shall decrease in
brightness as control is turned. When control is
at OFF, panel lights shall be off.
16.
Open circuit breaker (22) in No. 1 PDP (23).
9-479
