Textron Cessna 172R - Page 452

SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
15
-
FAA
APPROVED
CESSNA
MODEL
172R
3.
CLIMB
OR
DESCENT:
a.
BARO
setting
(if installed)
-
CHECK.
b.
Using
Vertical
Trim:
1)
VERTICAL
SPEED
Control
-
PRESS
either the UP
or
DN
button
to
select
aircraft
vertical
speed
within
the
+1
500
/-2000
ft.
per
min
command limits
.
2)
VERTICAL
SPEED
Control
-
RELEASE
when
desired
vertical
speed
is
displayed.
The
autopilot
will
maintain
the
selected
vertical
speed.
NOTE
Avoid
selecting
a
climb
rate
that either
cannot
be
maintained
or
is
on
the
performance
limit
of
the
airplane
for
its
power
and
weight
configuration.
4.
ALTITUDE
HOLD:
a.
Capture
preselected
altitudes
(if installed):
1)
ALTITUDE
SELECT
knob
-
ROTATE
until
the desired
altitude
is
displayed.
Note
ARM
annunciation
occurs
automatically
with
altitude selection when the
autopilot
is
engaged.
2)
ALTITUDE
SELECT
MODE
(ARM)
button
--
PUSH
to
alternately
disarm
or arm
altitude
capture.
3)
Airplane
--
ESTABLISH
vertical
speed
necessary
intercept
the
selected
altitude.
NOTE
It
may
be
possible
to
observe minor
difference
between
the
autopilots'
selected altitude and the
aircraft
altimeter
after
an
altitude
capture.
These
discrepancies
are
attributed
to
the
autopilot
and
altimeter
using
different
static
sources
combined
with
autopilot
system
tolerances. Not
inputting
the
proper
barometric
setting
into
the
autopilot
computer
will
produce
inaccuracies.
S15-24
Original
Issue
All manuals and user guides at all-guides.com