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PILOT'S OPERATING HANDBOOK
SUPPLEMENT
CESSNA 400 NAV/COM
(TYPE RT-485A)
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.
7.
AP/CPLD Annunciator -- CHECK ON (if 400B Autopilot
or
400B
IFCS is engaged), amber light illuminated.
NOTE
The AP/ CPLD annunciator light is only operational with a
400B Autopilot or 400B IFCS
installation.
VOR SELF-TEST OPERATION:
1.
2.
3.
4.
5.
6.
COM OFF/VOL Control --TURN ON.
NAV Frequency Selector Switches -- SELECT usable VOR station
signal.
OBS Knob -- SET for 0° course at course index; course deviation
pointer centers or deflects
left
or right, depending on bearing of
signal; NA V /TO-FROM indicator shows TO or FROM.
ID/VOX/T Switch -- PRESS to T and HOLD at T; course deviation
pointer centers, NA V /TO-FROM indicator shows FROM and
AP
I
CPLD and XMIT annunciators light.
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. NA V /TO-FROM indicator shows FROM.
ID/VOX/T Switch -- RELEASE for normal operation.
NOTE
This test does not fulfill the requirements of FAR 91.25.
MEMORY TEST OPERATION:
1.
C Pushbutton -- PUSH for about 2 seconds. Each COM and NAV
9
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