CENTER FLIGHT INSTRUMENT PANEL LIGHTS
SYSTEM WITHOUT 17 AND 74
The center flight instrument panel lighting system
includes CTR SECT INST LTS control, adjustable
resistor, and lamps to light the instruments and the FIRE
DETECTOR panel. Panel lights illuminate the FIRE
DETECTOR panel and 16 instruments and 3 controls.
Power for the system comes from the 28 volt No. 2
dc bus. When CTR INSTR LIGHTING circuit breaker
is closed, 28 volts is applied to CTR SECT INST LTS
control which controls brightness of the lamps.