Cessna 182S Pilot Operating Handbook page 416

SECTION 9 - SUPPLEMENTS
SUPPLEMENT 11
-
FAA APPROVED
6. NAV COUPLING:
a. OBS Knob --
SELECT
desired course.
CESSNA
MODEL 182S
b.
NAV
Mode Selector Button --
PRESS .
Note NAVARM
annunciated .
c. Heading Selector Knob --
ROTATE BUG
to agree with OBS
course.
NOTE
When NAV is selected , the autopilot will flash HDG for 5
seconds to remind the pilot to reset the HOG bug to lhe
OBS course. IF HOG mode was in use at the time of NAV
button selection, a 45 · intercept angle will then be
automatically established based on the position of the bug.
NOTE
All angle intercepts compatible with radar vectors may be
accomplished by selecting ROL mode PRIOR to pressing
the NAV button. The HOG bug must still be positioned to
agree with the OBS course to provide course datum to the
autopilot when using a DG (Directional Gyro).
1) If the D-Bar is greater than 2 to 3 dots: the autopilot
will annunciate
NAVARM;
when the computed capture
point is reached the ARM annunciator will go out and
the selected course will be automatically captured
and tracked.
2) If the D-Bar is less than 2 to 3 dots: the HDG mode
will disengage upon selecting NAV mode; the NAV
annunciator will illuminate and the capture/track
sequence will automatically begin.