Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 343

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PILOT'S OPERATING HANDBOOK
SUPPLEMENT
CESSNA400 NAV/COM
(RT-485A) WITH CESSNA
400 RNAV (RN-478A)
3. NAV Frequency Selection -- SELECT desired operating frequency
by either pressing a NA V MEMORY 1, 2 or 3 pushbutton to recall a
preset frequency, or by using NAV frequency selectors.
4. NAV VOL Control-- ADJUST to desired audio level.
5. ID-VOX-T Switch:
a. To Identify Station -- SET to ID to hear navigation station
identifier signal.
b. To Filter Out Station Identifier Signal-- SET to VOX to include
filter in audio circuit.
6. ARC PUSH-TO/PULL-FROM Knob
(If
Applicable):
a. To Use As Conventional OBS -- PLACE in center detent and
select desired course.
b. To Obtain Bearing TO VOR Station -- PUSH knob to inner
(Momentary On) position.
NOTE
ARC lamp will illuminate amber while the course card is
moving to center the course deviation pOinter. After
alignment has been achieved to reflect bearing TO VOR,
automatic radial centering will automatically shut down,
causing the ARC lamp to go out and the ARC knob to return
to center detent position and function as a normal OBS.
c. "To obtain Continuous Bearing FROM VOR Station -- PULL
(ARC/PULL-FR) knob to outer detent.
NOTE
ARC lamp will illuminate amber, OBS course card will
turn to center the course deviation pointer with a FROM
flag to indicate bearing from VOR station. This system
will continually drive .to present the VOR radial the
aircraft is on until manually returned to the center detent
by the pilot.
VOR SELF-TEST OPERATION:
1.
COM OFF/VOL Control-- TURN ON.
2. NAV Frequency Selector Switches -- SELECT usable VOR station
signal.
3. OBS Knob -- SET for 0° course at course index; course deviation
pointer centers or deflects left or right, depending on bearing of
signal: NAV/TO-FROM indicator shows TO or FROM.
1 October 1979
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