Eurocopter AS 350 83 Flight Manual page 246

COMPLEMENTARY FLIGHT MANUAL'
-Cranking pushbutton:
Located on the HONEYWELL unit, this pushbutton perfonns the no-fuel
.
cranking function in the following configuration:
.Starting selector OFF CAR) R
.Fuel control mode selector AUTO
4.2 Mechanical controls
-Flow control twist grip:
When the twist grip is in the flight detent, flow control is
automatically ensured by the FADEC computer.
The "TWT GRP" and amber "GOV" lights come on each time the twist
grip leaves the flight detent.
.At mid travel, a microswitch controls the Ng regulated idle function, .
thus preventing engine blowout in particular when practicing
autorotation.
Returning the twist grip to the flight detent whenever necessary will
switch the computer back to automatic mode.
.In case of failure of the fuel control system, the pilot can leave
the flight detent to either increase or reduce the fuel flow as
required. The twist grip includes a surpassable stop in the "fuel
flow increase" direction beyond the flight detent.
-Fuel shutoff control:
This control is used to close the fuel shutoff valve. R
-Rotor brake control:
When the brake is not released, a microswitch prevents the engine from
being started. R
.
.
350 83 7 .4
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