Cessna 172S Pilot Operating Handbook page 163

C ESSNA
MOD E L 1 72S
b. When equipped with H S I :
1 ) BARO Setting ( i f installed) - - CHECK.
2) Course Bearing Pointer -
3) Heading Selector Knob -- SET B UG to provide desired
intercept angle.
4) APR Mode Selector Button -- PRESS.
a) If the D-Bar is greater than 2 to 3 dots from center, 1
the autopilot wil l annunciate APR ARM ; when the
computed
annunciator wil l go out and the selected cou rse wil l
b e automatically captured and tracked.
b) If the D-Bar is less than 2 to 3 dots from center, thel
H OG mode will d isengage upon selecting APR mode;
the
capture/track sequence will automatical ly begin.
5) Airspeed
coupled autopilot approaches (recommended) .
8 . BACK COU RS E (R EV) APPROACH COU PLING (Le . , reverse
localizer) :
a. When equ ipped with OG :
1 ) BARO setting (if installed) -- CHECK.
2) OBS Knob -- SELECT the localizer course to the front
course i nbound (as a memory aid) .
3) R EV Mode Selector Button -- PRESS.
4) Heading Selector Knob -- ROTATE B UG to the heading
corresponding to the localizer front course inbound.
Revision 3
S U P PL E M E NT 1 5 - FAA APPROVED
-
capture
APR
annu nciator
- MAINTAIN 90
-
S ECTION 9 - SU PPLEM ENTS
SET to desired cou rse.
point is reached
wil l illuminate
KIAS minimum during
ARM
the
and the
S 1 5-29