Starting button : Release when gas producer
(N1) reaches 50%.
START and IGN legends sup-
pressed.
Engine power control : Set the power as required by
using either the engine power
lever or the ENG TRIM toggle
switch on the collective control.
Engine oil pressure : Check.
Continue as per normal starting procedure.
ENGINE SHUTDOWN IN MANUAL MODE
This procedure will apply in case of ECU failure and consequent reversion to
MANUAL mode (ECU FAIL warning and MAN legend displayed).
ENG GOV switch : MANUAL.
NOTE
In presence of an ECU failure the engine control system reverts
and operates in MANUAL mode independently from the ENG
GOV switch position.
However it can be convenient to set the ENG GOV switch to
MANUAL for congruence with the mode condition.
The ENG GOV switch shall mandatorily be on MANUAL, only
when the manual mode is selected voluntarily (i.e. for training).
ENG TRIM toggle switch : Operate to set N2 speed
to 65% ± 1%.
RFM A109E
3-36 E.N.A.C. Approved
Rev. 30
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