Cessna 1980 182Q Pilot's Operating Handbook And Flight Manual page 333

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
27
CESSNA 400 NAV/COM
(TYPE RT-485A)
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 (ARC/PUSH-TO)
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,
ca using the ARC lamp to go out and the ARC knob to return
to the 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.
4. ID / VOX/ T Switch -- PRESS to T and HOLD at T; course deviation
pointer centers, NAV/TO-FROM indicator shows FROM and
AP/ CPLD and XMIT annunciators light.
5. OBS Knob -- TURN to displace course approximately 10° to either
side of 0° (while holding ID / VOX/ T
to
T). Course deviation pointer
deflects full scale in direction corresponding to course displace-
ment. NAV/TO-FROM indicator shows FROM.
6. ID/VOX/T Switch -- RELEASE for normal operation.
1 October 1979
9