737 Flight Crew Operations Manual
Flight Instruments, Displays -
PFD/ND – Controls and Indicators
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D6-27370-866-EGP 10.16.9
2 Inboard Display Unit Brightness (INBD DU BRT) Control (outer)
(rotary)
ROTATE – adjusts the brightness of the Captain inboard display unit.
YK981 - YQ456
3 Inboard Display Unit Radar Brightness (INBD DU BRT) Control
(inner) (rotary)
ROTATE – adjusts weather radar and terrain display brightness on the Captain
inboard display unit.
YW273, YW274
3 Inboard Display Unit Brightness/Contrast (INBD DU BRT) Control
(inner) (rotary)
ROTATE – adjusts weather radar and terrain display brightness on the Captain
inboard display unit, adjusts display contrast when MFD is in the video
surveillance mode.
4 Upper Display Unit Brightness (UPPER DU BRT) Control (rotary)
ROTATE – adjusts the brightness of the upper display unit.
5 Lower Display Unit Brightness (LOWER DU BRT) Control (outer)
(rotary)
ROTATE – adjusts the brightness of the lower display unit.
YK981 - YQ456
6 Lower Display Unit Brightness (LOWER DU BRT) Control (inner)
(rotary)
ROTATE – adjusts weather radar and terrain display brightness on the lower
display unit.
YW273, YW274
6 Lower Display Unit Brightness/Contrast (LOWER DU BRT) Control
(inner) (rotary)
ROTATE – adjusts weather radar and terrain display brightness on the lower
display unit, adjusts display contrast when MFD is in the video surveillance mode.
September 15, 2016