3. DESCRIPTION
A. A82 flight computer
A82 flight computer consists of an electronic box enclosing the processing circuits and the two modules storing the values determined upon system certification. These replaceable modules are installed on the top and bottom boards.
A82 flight computer receives data from the following components :
— control push—buttons located on the pilot control wheel,
— attitude director indicator (roll attitude data),
— heading reference system (selected course and heading data),
— radionavigation system (VOR, LOC and MKR data).
A82 flight computer processes these data and generates command signals which are sent to the roll servo—actuator when the autopilot mode is engaged.
A82 flight computer also ensures system monitoring and disables autopilot engagement when the pre—flight test has not been successfully completed.
When the autopilot is disengaged for whatever reason, it sends a signal to the autopilot sonalert and flashes "AP" annunciation.
A82 flight computer is electrically supplied by BJ6 bus bar.
A82 flight computer is mounted on the radio rack.
4. OPERATION
NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
A — "AP DISC TRM INT' push—button
B — "TRIM UP DN" dual inverter
C — "CWS" push—button
14220000AAA0YZ5004
Autopilot — Identification and location of components
Figure 3
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Autopilot — Identification and location of components
Figure 4
AUTOPILOT
DESCRIPTION AND OPERATION
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本文链接地址：TB20 MAINTENANCE MANUAL 22 AUTO FLIGHT TB20飞机维护手册 22 自动飞行(18)
