Piper Turbo Saratoga PA-32-301T Pilot's Manual page 315

PIPER
AIRCRAFT CORPORATION SECTION 9
PA-32-301T,
TURBO SARATOGA SUPPLEMENTS
2.
HEADING Selector Knob
-
SET BUG to provide
desired
intercept angle.
3. BC
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 BC annunciated
steady and
APR
annunciator flashing;
when
the computed
capture point is reached the
HDG
will disengage, and
the APR 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
BC mode; the APR
and
BC
annunciator will
illuminate
steady
and the
capture/track
sequence
will automatically
begin.
b.
When equipped
with DG
I. OBS Knob
-
SELECT
the ILS front course inbound
heading.
2. BC Mode Selector Button
-
PRESS.
3.
Heading
Selector Knob
-
ROTATE Bug to the ILS
front course inbound
heading.
NOTE
When
BC 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
established
based
on the position of
the
bug.
If
the D-Bar is greater than 2 to 3 dots: the autopilot
will annunciate
HDG
(unless
HDG not selected) and
BC modes
with APR flashing;
when the computed
capture
point is reached the HDG annunciator will
go
out, the BC
and the APR annunciator
will illuminate
steady and the selected course will
be automatically
captured
and tracked.
ISSUED: AUGUST
6, 1982
REPORT: VB-1070
9-91