MD-11 Flight Crew Operations Manual
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Engines -
Controls and Displays
Eng.30.3
In the normal mode of operation, the auto-ignition feature will provide
continuous power to ignition system A or B (whichever has been selected)
during takeoff and landing, and for the first 60 seconds after one of the engine
cowl anti-ice systems has been commanded on.
MANUAL illuminates blue to indicate that power is being supplied
continuously to the selected ignition. This occurs when the ignition has
reverted to the manual mode (auto-ignition failure). In this case the ignition
system will remain powered until the pilot turns it off by pushing ENG IGN
switch.
4. FADEC MODE ENG 1/2/3 Switch (3) - amber
SELECT ALTN illuminates amber when the respective FADEC cannot
operate in the primary mode. The crew can then push this switch to select the
backup alternate mode. When the alternate mode is selected, ALTN will
remain illuminated.
If the overboost stop on the throttle quadrant has been exceeded, the
associated FADEC system will switch to the alternate mode and
SELECT/ALT lights will illuminate.
October 02, 2006
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