MD-11 Flight Crew Operations Manual
k
Instrumentation and Navigation -
Controls and Displays
Inst.30.31
5. FMS Switch - amber
Allows selection between normal in line operation of the FMS or a transfer to
a secondary FMS. Captain may select F/O’s FMS (FMS-2) or F/O may select
Captain’s FMS (FMS-1), but Captain and F/O may not select each others
FMS simultaneously.
6. VOR Switch - amber
Allows selection of VOR display source to be transferred from an alternate
source. Normally the Captain’s VOR display is controlled by the left radio
systems, and the F/O’s VOR display is controlled from the right radio
systems. CAPT ON 2 or F/O ON 1 will illuminate amber to indicate
respective condition. Pushing switch while illuminated will return VOR
source to normal.
7. APPR Switch - amber
Allows selection of approach data (ILS or MLS) to be transferred from an
alternate source. Normally the Captain’s APPR display is controlled by the
left radio systems, and the F/O’s APPR display controlled by the right radio
systems. CAPT ON 2 or F/O ON 1 will illuminate amber to indicate
respective condition. Pushing switch while illuminated will return APPR
source to normal.
8. EIS SOURCE Selector and Annunciator Lights
Normally DEU 1 drives the Captain’s DUs (DU1, DU2, and DU3) and DEU
2 drives the F/O DUs (DU4, DU5, and DU6). Normal selector position is
Captain on 1 and F/O on 2. If the selector is out of the normal position, the
appropriate annunciator light will illuminate amber.
9. STATIC AIR Selector
When Captain’s and F/O’s selector is in NORM, CADC 1 receives static
pressure from Captain’s static system and CADC 2 receives static pressure
from F/O’s static system. When Captain’s or F/O selector is in ALT,
respective CADC receives static pressure from alternate system.
October 02, 2006
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