C
IRRUS
D
ESIGN
S
ECTION
7: A
IRPLANE
AND
S
YSTEMS
SR20
L
IGHTING
S
YSTEMS
P/N 11934-005
7-57
The panel lights operate on 28 VDC supplied through the 5-amp CABIN
LIGHTS circuit breaker on MAIN BUS 1.
Reading Lights
Individual eyeball-type reading lights are installed in the headliner above
each passenger position. Each light is aimed by positioning the lens in the
socket and is controlled by a push-button switch located next to the light.
The pilot and copilot reading lights are also dimmable through the PANEL
lights control on the instrument panel bolster. The reading lights are
powered by 28 VDC supplied through the 5-amp CABIN LIGHTS circuit
breaker on MAIN BUS 1.
Overhead Dome Light
General cabin lighting is provided by a dome light located in the headliner
at the approximate center of the cabin.
Serials w/o Convenience Lighting:
The dome light is controlled through the cabin light switch located next to
the light assembly on the ceiling of the airplane.
The dome light is powered by 28 VDC supplied through the 5-amp CABIN
LIGHTS circuit breaker on MAIN BUS 1.
Convenience Lighting
Serials w/ Convenience Lighting:
The convenience lighting option consists of the overhead dome light, over-
head baggage compartment lights, interior footwell lights, exterior entry
step lights, and a key fob.
Overhead Dome Light
General cabin lighting is provided by a dome light located in the headliner
at the approximate center of the cabin.
Overhead Baggage Compartment Lights
General baggage compartment lighting is provided by lights located in the
headliner.
Footwell Lights
General floor lighting is provided by footwell lights located throughout the
cabin.
Entry Step Lights
Illumination of the entry steps is provided by lights located above each step.
Convenience lighting is controlled by the cabin light switch located on the
ceiling of the airplane. 28 VDC for convenience lighting is supplied
through the 5-amp CONV LIGHTS circuit breaker on CONV.
Reissue A