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Rev: B
15
Vizion PMA Operation
TruTrak Doc: 167
5.
Autopilot Operation
5.1.
Syncing the altimeter
Sync the altimeter as part of pre-takeoff
checklist!
The autopilot has a built-in altimeter that must be synced to the
aircraft altimeter for proper operation of the altitude select and pre-
select modes.
Note:
If the autopilot is connected to an Aspen or G5 and the
display is showing the
A
or
E
next to the flashing
+
or
*
, the altimeter
synchronization will be automatic and this step is not required!
This is accessed by two momentary presses and releases of the
ALT
button when not in the altitude select setup screen.
Rotate the
KNOB
to set the altimeter to the aircraft altimeter
reading, in feet, and then momentarily press and release the
KNOB
.
Each time the power is cycled on the autopilot, the altimeter will
return to an equivalent baro setting of 29.92. When the autopilot is
disengaged, the transition to altimeter sync setup screen is shown in
Figure 5.1a.
Momentarily press and release
ALT
Momentarily press and release
ALT
Rotate
KNOB
then momentarily press and release
KNOB
Figure 5.1a
NOTE
:
If the sync page is entered by accident, momentarily
pressing and releasing the
MODE
button will exit back to the normal
operation screen.