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RUD TRIM rotary switch
Controls the rudder trim actuator, which moves the neutral point of the artificial feel by
the equivalent of one degree of rudder travel per second.
Note ~ The rudder trim rotary switch has no effect when the autopilot is engaged.
RESET pushbutton
By pushing the RESET pushbutton, the zero trim position is ordered at 3~ / seconds
Note ~ The RESET pushbutton is not active with the autopilot engaged
CCM ALL
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┃ ┃ ┃1.27.40 P 2 ┃
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┃I ~-~ A318 ┃I CONTROLSTANDNINDICATORS ┃SEQ 001 1 ┃I REV 35 ┃
┃ aw aw ,, ~L,~ A319 ┃ ┃ ┃ ┃
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┃ A~7-~'M" A321 ┃ ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
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Position Indicator
Displays the rudder trim direction (L or R) and value (0 to 20~)
SPEEDBRAKE lever
The lever controls :
- The position of the speedbrake surfaces.
To set speedbrake surfaces to a required position, the lever has to be pushed down
and set to the required position. A "hardpoint" is provided at "1/2" SPEEDBRAKE
position.
- The manual preselection of the ground spoilers.
To arm the ground spoilers, the lever must be pulled up when in the BET position.
When the lever is armed (or reverse thrust is selected), all spoiler's surfaces will
automatically extend at landing, or in case of a rejected takeoff.
PITCH TRIM whee
Both pitch trim wheels provide mechanical control of the THS and have priority over
electrical control. A pilot action on the pitch trim wheel disconnects the autopilot.
Note: Crew action on the pitch trim wheel does not disconnect the ELACs
(micro-switches, actuated by the override mechanism, ensure that the
computers remain synchronized with the manually-selected position).
The THS is manually-controlled on ground for the THS setting, before takeoff and in flight,
when in direct law.
- Before takeoff, the pilot sets the THS to the angular value, determined as a function
of the aircraft CG, using the CG scale on the wheel. The relationship between the
aircraft CG and the THS setting shown on the trim wheel is only applicable for takeoff.
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual3(94)
