CIRCUIT BREAKER Light Control
Rotate – controls brightness of P–6 and P–18 circuit breaker panel lights.

PANEL Light Control
Rotate – controls brightness of forward and aft overhead panel lights.
Dome Light Control

DOME Light Control
DIM – sets overhead dome lights to low brightness.
OFF – overhead dome lights are extinguished.

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Operations Manual

BRIGHT – sets overhead dome lights to full brightness.
Master Lights Test and Dim Switch

Master LIGHTS TEST and DIM Switch
TEST – illuminates all system lights on forward and aft overhead panels, and
some lights on Captain’s and First Officer’s instrument panels to full brightness.

BRT (bright) – sets all system lights on forward and aft overhead panels, and some

lights on Captain’s and First Officer’s panels to full brightness.
DIM – sets all system lights on forward and aft overhead panels, and some lights
on Captain’s and First Officer’s panels to low brightness.

Copyright . The Boeing Company. See title page for details.
1.30.4  December 1, 2000

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
Exterior Lighting Landing, Runway Turnoff and Taxi Lights

OUTBOARD LANDING Light Switch
RETRACT – outboard landing lights are retracted and extinguished.
EXTEND – outboard landing lights are extended and extinguished.
ON – outboard landing lights are extended and illuminated.

INBOARD LANDING Light Switch
OFF – inboard landing lights are extinguished.
ON – inboard landing lights are illuminated.

RUNWAY TURNOFF Light Switch
OFF – runway turnoff lights located in leading edge of wing root are extinguished.
ON – runway turnoff lights are illuminated.

TAXI Light Switch
OFF – nose wheel taxi light extinguished.
ON – nose wheel taxi light illuminated.

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators

Miscellaneous Exterior Lights

LOGO Light Switch
OFF – logo lights extinguished.
ON – illuminates the airline insignia on each side of the vertical fin.

POSITION Light Switch
ON BAT (as installed) – illuminates the position lights from the battery bus if no
other power is available. Battery switch must be positioned to ON.
OFF – position lights extinguished.

ON (as installed) – illuminates the red and green wingtip position lights and the

white trailing edge wingtip lights.
STROBE & STEADY (as installed) – illuminates the red and green wingtip
position lights, the white trailing edge wingtip lights, and the wingtip and tail
strobe lights.

STEADY (as installed) – illuminates the red and green wingtip position lights and
the white trailing edge wingtip lights.

ANTI–COLLISION Light Switch
OFF – red high intensity strobe lights extinguished.
ON – red high intensity strobe lights on upper and lower fuselage illuminated.

Copyright . The Boeing Company. See title page for details.
1.30.6  December 7, 2001

Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual

WHEEL WELL Light Switch
OFF – three wheel well lights extinguished.
ON – wheel well lights illuminated for checking landing gear down and locked
stripes.

WING Illumination Switch
OFF – wing leading edge lights extinguished.
ON – wing leading edge lights on fuselage forward of wing illuminated.

STROBE Light Switch
OFF – strobe lights extinguished.
ON – illuminates high intensity strobe lights located on each wingtip and on the fuselage tail cone above the APU exhaust.
.  The strobe lights are de-energized through the air ground safety sensor
logic to prevent operation on the ground.

Navigation (NAV) Light Switch
ON BAT/GND ONLY– illuminates the navigation lights from the battery bus if no other power source is available.
. Battery switch must be ON.
ON – illuminates the red and green wingtip navigation lights and the white trailing edge wingtip lights.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators

Emergency Lighting and Passenger Signs Flight Deck

Emergency Exit Lights (EMER EXIT LIGHTS) Switch (guarded)
OFF – prevents emergency lights system operation if airplane electrical power
　
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