Textron Cessna 172R - Page 471

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
19
-
FAA
APPROVED
NOTE
Manual
CDI
course
centering
in
OBS
mode
using
the
control knob
can
be
difficult,
especially
at
long
distances.
Centering
the
Course
Deviation
Indicator
(CDI)
needle
can
best be
accomplished
by pressing
the
Direct-To button
and then
manually
setting
the No.
1
CDI
course
to
the
course
value
prescribed
in
the
KLN
94
displayed
message.
NOTE
The Directional Indicator
heading
(HDG)
bug
must
also
be
set to
provide
proper
course
datum
to
the
autopilot
if
coupled
to
the
KLN
94
in
LEG
or
OBS.
(When
the
optional
HSI
is
installed,
the
HSI
course
pointer provides
course
datum
to
the
autopilot.)
Figure
2.
GPS Annunciator/Switch
(Serials
17280984
and
On)
(Sheet
2
of
2)
Dec
30/00
S19-11
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