b
TO/GA
\
t
AI’-r
ENGI
DISENG
JL
m
EN&
DISENG
VfEW FROM REAR
(PILOT SEAT)
AD.20S07
Autothrottle Switch Locations on Power Levers
Figure 266
The autothrottle can be engaged, via the A/T ENG/DISENG switch,
any time the following criteria is met:
● A/TARM light is annunciated on the GP-820 Flight Guidance
Controller.
. A speed target is displayed in the GP-820 speed window (for
speed
mode only).
. An EPR limit rating has been selected (MAN or AUTO) for
display on the DC-884 Display Controller.
. Bleed air isolation valve must be CLOSED.
. N1
cannot be split by more than 20%.
● No engine out condition (N2 < 41%).
. Valid preselector.
22-14-00
Page 298.186
Aug 15/91
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