Honeywell KAP 140 Installation Manual page 21

4. Heading Selector Knob - ROTATE BUG to agree
with the FRONT COURSE inbound heading.
If CDI needle is to the left, desired intercept course
should be 30º or greater to the right of the localizer
back course; and 30º or greater to the left is CDI
needle is to the right. Intercept angles greater than 45°
can result in course overshoot when close to the
localizer signal. Therefore, intercept angles greater
than 45° are not recommended
5. If the Course Deviation Bar is greater than 2 to 3
dots the autopilot will annunciate REV ARM; when the
computed capture point is reached the ARM
annunciator will go out and the back course will be
automatically captured and tracked. If the D-Bar is less
than 2 to 3 dots: the ROL mode will disengage upon
selecting REV mode; the REV annunciator will
illuminate and the capture/track sequence will
automatically begin.
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
course.
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