S-TEC ST360 - Lost Encoder Data

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Lost Encoder Data
Anytime the Altitude Selector/Alerter is in use and encoder data is
lost, the selected altitude will be replaced by three dashes, which will
flash for five seconds then go steady. This is accompanied by three chimes.
The last selected Vertical Speed will still be displayed (example: +16).
This action informs the pilot that a malfunction has occurred and the
selected target altitude is no longer displayed or attainable by using the
Altitude Selector/Alerter. The pilot should push the "MAN" (manual)
button and control the pitch axis via use of the autopilot VS and ALT
Modes.
If encoder data is restored during the flight, the encoded altitude will
be displayed instead of the three dashes (example: 5,200 = 5.2). The
Altitude Selector/Alerter can now be reprogrammed and used again, if
desired.
--.-
+
I6