Master LIGHTS TEST and DIM SWITCH
TEST – illuminates all system lights on forward and aft overhead panels, and
some lights on Captain and First Officer instrument panels to full brightness.
BRT (bright) – sets all system lights on forward and aft overhead panels, and some
lights on Captain and First Officer panels to full brightness.
DIM – sets all system lights on forward and aft overhead panels, and some lights
on Captain and First Officer panels to low brightness.
Note: Placing the Master Lights Test and Dim Switch in the TEST position will result in a master caution recall and any stored fault will cause the associated light to remain illuminated when the switch is released.
Copyright . The Boeing Company. See title page for details.
1.30.4 March 29, 2004
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
Exterior Lighting Landing, Runway Turnoff and Taxi Lights
YA626, YA721 - YC154
2 34
RUNWAYLANDINGE
TURNOFF TAXI X
RETRACT OFF
LR T
OFF OFF
E N
ON ON
D
L ONR L ONR RETRACTABLE FIXED
1
FORWARD OVERHEAD PANEL
YA613, YA686, YA687, YC411 - YK104
2 34
RUNWAY TAXILANDINGE TURNOFF
X RETRACT OFF L R OFF
T OFF
E
N ON
D RETRACTABLE ONL
R
L
FIXED ON R
AUTO
1
FORWARD OVERHEAD PANEL
1 RETRACTABLE LANDING Light Switch RETRACT – retractable landing lights are retracted and extinguished EXTEND – retractable landing lights are extended and extinguished ON – retractable landing lights are extended and illuminated.
2 FIXED LANDING Light Switch
OFF – fixed landing lights are extinguished.
Copyright . The Boeing Company. See title page for details.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Flight Crew Operations Manual
ON – fixed 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 YA626, YA721 - YC154
OFF – nose wheel well taxi light extinguished. ON – nose wheel well taxi light illuminated.
TAXI Light Switch YA613, YA686, YA687, YC411 - YK104
OFF – nose wheel well taxi light extinguished.
AUTO – nose landing gear taxi light automatically extinguishes when the nose landing gear retracts.
Miscellaneous Exterior Lights
LOGO Light Switch
OFF – logo lights on each side of vertical fin extinguished.
ON – logo lights illuminated.
POSITION Light Switch
STROBE & STEADY – red and green wing–tip position lights, white trailing edge wing–tip lights and wing–tip and tail strobe lights illuminated.
Copyright . The Boeing Company. See title page for details.
1.30.6 June 1, 2005
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
OFF – red and green wing–tip position lights, white trailing edge wing–tip lights
and wing–tip and tail strobe lights extinguished.
STEADY – red and green wing–tip position lights and white trailing edge
wing–tip lights illuminated.
WHEEL WELL Light Switch
OFF – three wheel well lights extinguished.
ON – wheel well lights illuminated.
WING Illumination Switch
OFF – wing leading edge lights on fuselage forward of wing extinguished.
ON – wing leading edge lights illuminated.
ANTI–COLLISION Light Switch
OFF – red rotating beacon lights on upper and lower fuselage extinguished.
ON – red rotating beacon lights illuminated.
Emergency Lighting and Passenger Signs Flight Deck
YA626, YC411, YC413
Copyright . The Boeing Company. See title page for details.
June 1, 2005 1.30.7
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Flight Crew Operations Manual
YA613, YA686 - YC154, YD651 - YK104
Emergency (EMER) EXIT LIGHTS Switch
OFF – prevents emergency lights system operation if airplane electrical power fails or is turned off.
ARMED – (guarded position) all emergency lights illuminate automatically if airplane electrical power to DC bus No. 1 fails or AC power is turned off. ON – all emergency lights illuminate.
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