TM 55-1520-240-23-7
9-124.1
LIGHT LEAK TEST
(Continued)
9-124.1
PILOTS CHRONOMETER LIGHT
6.
While performing steps 7 through 10, check
lighting. There shall be no white light leaks from
NVG blue/green lighting.
7.
Close PLT CLOCK breaker (18) in No. 2 PDP (1).
8.
Check pilots CHRONOMETER (19). Upper
and lower numbers (20) shall be visible and
blue/green color lighting shall be on.
9.
Turn DIM control (21) of chronometer (19).
Check chronometer light. Light shall dim over full
range of control.
10.
Turn control (21) to brightest light position.
11.
Open breaker (18) in No. 2 PDP (1). Check
CHRONOMETER (19). Numbers (20) shall not
be visible and light shall be out.
9-478