TruTrak Vizion 380-385 Operation Manual - Manual (Page 37)

Vizion
380/385
37
Rev
-­‐
Initial
If
the
autopilot
is
drifting
left
or
right
with
0°
selected,
the
gyro
trim
needs
to
be
adjusted.
Press
and
hold
KNOB
to
access
the
gyro
trim
screen.
Adjust
the
gyro
trim
in
the
appropriate
direction
in
0.2°/min
increments.
Figure
6.5.2c
shows
the
gyro
backup
mode
screen
and
the
gyro
trim
screen.
Note:
the
autopilot
may
momentarily
switch
to
the
AP
OFF
screen
while
performing
the
Press
and
hold,
Rotating
the
knob
left
of
right
will
bring
the
normal
display
back
into
view
and
the
autopilot
will
not
disengage.
Figure
6.5.2c
6.5.3. Control
Wheel
Steering
Mode
This
mode
allows
the
autopilot
to
be
temporarily
disengaged
to
make
a
quick
course
change
and/or
vertical
speed
change.
This
mode
is
accessed
by
a
press
and
hold
of
the
control
wheel
steering
switch
(if
equipped).
While
the
switch
is
held,
the
display
will
show
the
autopilot
is
in
CWS
Mode.
Figure
6.5.3a
shows
the
CWS
mode
screen.
Figure
6.5.3a
When
the
button
is
released,
the
autopilot
will
hold
the
new
track
and
the
new
vertical
speed,
if
greater
than
400
fpm
in
either
direction.
If
the
vertical
speed
at
time
of
release
is
less
than
400
fpm,
then
the
autopilot
will
hold
zero
vertical
speed.
Figure
6.5.3b
shows
the
screen
after
release
at
a
vertical
speed
of
800
fpm
up.
Figure
6.5.3b