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"ENG" and "ARM" pushbuttons located on the L.H. side of the display allow selection of the "VS" and "ALT ARM" modes.
A81 altitude / vertical speed selector receives the altitude coding and barometric correction from the encoding altimeter.
Aircraft equipped with the printed circuit
A printed circuit equipped with diodes makes it possible to isolate the altitude coding inputs of the transponder from the inputs of the altitude / vertical speed selector.
The printed circuit is equipped with a protection cover and is secured on the front R.H. table. All
The altitude / vertical speed selector is electrically supplied by BJ6 bus bar and protected by "ALT. SEL" circuit breaker.
AIAH
Validity : KFC 150 without EFIS 22 12 00
_ _ _ (FM) Page 5
DEC 99
 
The altitude / vertical speed selector is mounted on the R.H. instrument panel but it may be mounted in an alternate location.
D. M80 mode annunciator (Optional)
M80 mode annunciator provides a parallel annunciation display of the modes within the pilot's main sight field.
Mode annunciations illuminate when the respective mode has been selected on the flight computer. "TRIM" annunciation illuminates when the preflight test has not been carried out, in the absence of power to the servo actuator or in the event of a servo actuator malfunction.
M80 mode annunciator is electrically supplied by BJ6 bus bar.
It is mounted on the L.H. instrument panel.
E. Control pushbuttons
"AP DISC TRM INT", "CWS" pushbuttons and "TRIM UP—DN" split rocker switch are located on the pilot control wheel.
— When depressed momentarily, "AP DISC TRM INT" pushbutton disengages the autopilot and cancels all previously selected modes.
— When depressed and held, "CWS" pushbutton allows aircraft manual control (disengagement of the servo actuators) without cancelling the selected modes.
— "TRIM UP—DN" split rocker switch is composed of a L.H. portion which provides electrical power to the pitch trim servo actuator clutch and a R.H. portion which controls the servo actuator rotation direction. Both sides of "TRIM UP—DN" split rocker switch must be simultaneously depressed to operate the manual pitch trim servo in the desired direction. When the autopilot is engaged, activation of the manual electric trim causes the autopilot to automatically disconnect.
F. BJ6 bus bar
BJ6 bus bar is electrically supplied by "BUS 2" bar via the autopilot master switch. It distributes 28 VDC to the different components constituting the autopilot system.
BJ6 bus bar is protected by the "A / P" circuit breaker.
BJ6 bus bar is located behind the circuit breaker panel.
4. OPERATION
NOTE : For equipment operation and maintenance, refer to the supplier's Maintenance Manual.
　
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