LIGHTING
AIRPLANE
OPERATIONS
MANUAL
2-06-05
Page
6
Code
01
JANUARY 21, 2002
OVERHEAD PANEL
1 - PUSHBUTTON LIGHTS TEST SWITCH (if installed)
− When actuated to the TEST position (momentary position)
allows checking of the striped bars and caption indications.
− The striped bars and caption indications in all pushbuttons
located on the main panel, overhead panel, control pedestal and
right lateral console will illuminate, allowing verification of lamp
integrity.
− The fire handles, APU fire extinguish button, BAGG EXTG
button, electromechanical GUST LOCK indication lights, GPU
AVAIL annunciator, digital pressurization control button and
ATDT CALL button will not illuminate and will not be tested.
2- OVERHEAD PANEL LIGHTING CONTROL KNOB
− Turns on/off and regulates the brightness of the overhead panel
lighting.
3 - COCKPIT DOME LIGHTS SWITCH
− Turns on/off the two cockpit dome lights.
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