Piper Turbo Saratoga PA-32-301T Pilot's Manual page 313

PIPER
AIRCRAFT CORPORATION SECTION 9
PA-32-301T, TURBO
SARATOGA SUPPLEMENTS
3.
Heading Selector Knob
-
ROTATE BUG to
agree with
OBS course.
NOTE
When NAV
is selected, the lateral operating
mode will change from
HDG (if selected)
to
wings level for 5 seconds. A 45° intercept angle
will then
be
automatically established
based on
the position of the bug.
If the
D-Bar is
greater
than 2
to
3 dots: the autopilot
will annunciate HDG mode
(unless
HDG not selected)
and
NAV flashing;
when the
computed
capture point
is
reached the HDG
annunciator
will go out,
the NAV
annunciator
will
illuminate steady and
the selected
course will be automatically captured and
tracked.
If
the D-Bar
is less
than
2
to
3 dots: the HDG
mode will
disengage upon selecting NAV mode; the
NAV
annun-
ciator
will illuminate
steady
and the capture/track
sequence will automatically
begin.
(7)
Approach
(APR) Coupling
a.
When equipped with HSI
1. Course
Bearing Pointer
-
SET to desired course.
NOTE
When
equipped with
NAV l/NAV 2
switching
and NAV 2 is selected, set
OBS
to the desired
course.
2. HEADING
Selector Knob
-
SET
BUG to provide
desired intercept angle.
3.
APR Mode Selector Button
-
PRESS.
If the Course Deviation Bar
is
greater
than
2
to
3 dots:
the aircraft will continue in HDG mode
(or
wings level
if HDG not selected) with the APR annunciator
flashing; when the computed
capture
point
is reached
the
HDG
will disengage,
the APR annunciator will
illuminate steady and the selected course will
be
auto-
matically captured and tracked.
ISSUED: AUGUST 6, 1982 REPORT: VB-1070
9-89