Cessna 172P Pilot's Operating Handbook And Flight Manual page 315

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
16
cEssNA
300
NAV/COM
(TYPE
RT-38õA)
1.
COM
OFF/VOL Control -- TURN
ON.
2.
SPEAKER/PHONE Selector Switches
(on
audio control panel) --
SET
to
desired
mode.
3.
NAV Frequency Selector Knobs
--
SELECT desired operating
frequency.
4.
NAV VOL -- ADJUST to desired audio level.
õ.
ID-VOX-T Switob:
a,.
To Identify Station
--
SET
toìÐ
to hear navigation station
'
identifier
signal.
b.
To
Filter
Out
Station
ldentifier
Signal
--
SET to VOX to
include
filter in
audio
circuit.
6.
ARC PUSH-TO/PULL-FROM Knob
(If
Applioable):
a,,
To
Uee
As Conventtonal
OBS
-- PLACE
in
center dotent and
solect desired oourse.
b.
To
Obtain Boaring
TO
VOR Station -- PUSH
(ARC/PUSH-TO)
knob to inner (momentary on) position.
NOTE
,A'RC
lamp
will
illuminate
amber
while
the
course
card
is
moving to
center
with the courso deviation pointer. After
alignment has
been
achieved
to reflest bearing to
VOR,
automatic radial oentering
will
automatically shut
down,
causing ths ARC lamp to go
out.
c.
To Obtain Continuous Bearing FROM
VOF,
Station -- PULL
(AF,C/PULL-FR) knob to outer
detent.
NOTE
ARC.Iamp
wiII
iltuminate
amber,
OBS
course card
will
turn to
center the course
deviation pointer with
a
FROM
flag to indicate bearing from VOIì station.
7.
OBS
Knob
(If Applicable) --
SELECT desired course'
7
30
May
1980