Cessna 172R, Operating Handbook

Page: 438 / 500

SECTION 9
-
SUPPLEMENTS
SUPPLEMENT 15
-
FAA APPROVED
CESSNA
MODEL 172R
NOTE
Numbered items apply
to
the KAP
140
with Altitude
Preselect. Other controls and indicators shown are
the same as those on the KAP 140 without Altitude
Preselect (refer
to
Figure 2).
1. ROTARY KNOBS
--
Used
to set
the altitude alerter
reference altitude;
or may be
used immediately after
pressing the
BARO
button,
to adjust
the autopilot baro
setting
to
match that of the airplane’s altimeter when manual
adjustment
is required.
(In
some
systems,
the baro
setting
may be automatically synched to that of the altimeter.)
2. BARO SET (BARO) BUTTON
-
When pushed and
released, will change the display from the altitude alerter
selected altitude
to
the baro setting display
(either IN HG
or
HPA) for 3 seconds. If pushed and held for 2 seconds, will
change the baro setting display from IN HG
to
HPA or vice
versa. Once the baro setting display is visible the
rotary
knobs may be used
to adjust
the baro setting.
I
Figure 3. Bendix/King 2-Axis KAP 1 40
Autopilot with
Altitude
Preselect, Operating Controls and Indicators (Sheet 1 of 2)
S15-12 Revision
1