TM 55-1520-240-23-7
9-60
LIGHTING SYSTEMS
(Continued)
9-60
COCKPIT DOME AND UTILITY LIGHT SYSTEM
WITHOUT 17
Description
The cockpit dome and utility lighting system provides
lighting for the cockpit section. This system includes two
cockpit dome lights and two utility lights. The system
operates from the 28 volt No. 2 dc bus.
Operation
When COCKPIT DOME circuit breaker is closed, 28
vdc from No. 2 dc bus is applied to system switches or
controls. When DOME SELECT switch is set to WHITE
or RED, 28 vdc is applied to DOME LIGHTS control.
DOME LIGHTS control varies the brightness of the
cockpit dome lights. 28 vdc is also applied to each
utility light. The brightness of each light is varied by an
integral control.
9-205