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Honeywell KAP 140 Installation Manual Page 20

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Back Course (REV) Mode from ROL Mode (All Angle Intercept)
The autopilot is following the localizer back course.
6. Press REV button again and the autopilot will return
to the ROL mode.
Note: In this installation the Heading Bug is supplying
the localizer reference signal to the autopilot Therefore,
Heading Bug must correspond with published localizer
The back course (REV) mode allows the autopilot to
intercept and track a localizer back course.
To arm REV mode (with the KAP 140 currently in the
ROL mode):
Maneuver the aircraft to the desired intercept angle
prior to selecting ROL mode.
1. Select the desired frequency for LOC/ILS.
2. OBS Knob - SELECT front course inbound heading.
3. REV Mode Selector Button - PRESS. Note REV
ARM annunciated
The autopilot will flash HDG for 5 seconds to remind
the pilot to reset the HDG bug to the front course
inbound heading. Check the heading displayed on the
DG against the magnetic compass and reset if


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