Robertson AP9 MK3 Autopilot
2-26 20169223D
HELMSMAN. This will automatically select the monitor compass as
the MAIN compass.
MAGN. COMP 1 FAIL
PRESS ALARM
Cancel alarm/select compass as described above.
MAGN. COMP 2 FAIL
PRESS ALARM
Cancel alarm/select compass as described for MAGN. COMP 1 FAIL.
FLUXGATE FAIL
PRESS ALARM
Cancel alarm/select compass as described for MAGN. COMP 1 FAIL
SYNCHRO COMP FAIL
CHECK COMPASS
This alarm will only sound when the autopilot is in the Automatic
mode and synchro 1:1 has been selected.
Cancel the alarm as described before.
STEP COMP FAIL
CHECK COMPASS
This failure occurs in Automatic mode if loss of any phase (S1, S2, S3)
are detected. When a compass fail alarm is reset, the compass is
removed from the internal sensor table. To get the compass into the
sensor table it is necessary to switch AP9 Mk3 OFF and ON.
Cancel the alarm by pressing Alarm Reset button.
COMPASS SELECT
ONLY IN HELMSMAN
This warning will occur in the INFO display if COMPASS SELECT
button is pressed when the pilot operates in the AUTOPILOT mode.
Select HELMSMAN mode and then press the COMPASS SELECT
button
1st press
COMPASS
SELECT
MAIN COMPASS
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