Textron Cessna 172S Skyhawk SP, Information Manual

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CESSNA
MODEL 172S
SECTION 9 - SUPPLEMENTS
SUPPLEMENT 15 - FAA APPROVED
3. ALTITUDE ARM (ARM) BUnON -, When pushed, will toggle
altitude arming on or off. When ALT ARM is annunciated, the
autopilot will capture the altitude alerter displayed altitude
(provided the airplane is climbing or descending in VS to'theR
displayed altitude). ALT. hoid arming when the autopilot is
engaged is automatic u'pon' alfitude alerter'altitude selection
via the rotary knobs. Note that the alerter functions are
independent of the arming process thus providing full time
alerting, even when the autopilot is disengaged. .
. 4. ALTITUDE ALERTERNERTICAL SPEED/BARO SETIING
DISPLAY -- Normally displays the altitude alerter selected
altitude .. If the UP or DN~utton is pushed while in VS hold,
the display changes to the command reference for the VS
mode in FPM .for 3 seconds. If the BARO .button is pushed,
the display changes
10
the autopilot baro setting in either IN'
HG or HPA for 3 seconds. '
'.
,. NOTE
this display may be dashed for up to 3 minutes on
start up if a blind encoder is installed'which 'requires
a warm-up period.
5. ALTITUDE. ALERT (ALERT) .ANNUNCIATION -- Illuminates
continuously in the region of. from 200 to 1000 feet from the
selected altitude if the airplane was previously outside of this
region. Flashes' (1) for two seconds, the ,first time the airplane
crossed the' selected altitude and (2)' continuously in the 200
to'1000 feet region if the airplane was previously inside of this
region (i.e. at the selected altitude). Associated with the visual
ale.rting is an' aural' alert (5 short tones) which. occurs 1000
, feet from the selected altitude upon approaching the altitude
and, 200 feet from the selected altitude on leaving the altitude.
Figure 3.' Bendix/King KAP 140 2 Axis Autopilot With Altitude
I
Preselect,. Operating Controls and indicators (Sheet 2)
Revision 5
S15-13 •.