Cessna SkyHawk SP 172S NAV III 2005 Pilot Operating Handbook page 369

SECTION 9 - SUPPLEMENTS
SUPPLEMENT 3
NORMAL PROCEDURES
(Continued)
CESSNA
MODEL 172S NAV III
3. HOG bug - SET the HSI heading bug to the desired course
intercept heading.
4. HOG Button - PUSH to engage autopilot HOG mode. Make
sure that HOG is shown on the face of the autopilot
5. APR Button - PUSH to arm the autopilot APR lock on
function. Make sure that the autopilot is correctly engaged
from the annunciation on the autopilot:
a. If the HSI D-Bar is less than 2 to 3 dots from center, the
autopilot will go to APR mode. The APR annunciator
will be shown on the face of the autopilot.
b. If the HSI D-Bar is more than 2 to 3 dots from center,
the APR ARM annunciator will be shown on the face of
the autopilot. When the computed intercept point is
reached, the ARM annunciator will go off and lock on
(capture and track) will begin automatically. The APR
annunciator will stay on the face of the autopilot.
(Continued Next Page)
S3-40 U.S.
FAA APPROVED
172SPHAUS-S3-00