Honeywell Bendix/King KFD 840 Primary Flight Display
KFD 840 PG PN 7450-0840-01 Altitude Area
Rev C May 28, 2010 5-7
© Honeywell International Inc. Do not copy without express permission of Honeywell
right knob when MIN is the active selection will (SYNC) synchronize
the MIN value to the current altitude.
A reference bug is placed on the altitude tape to show the MIN
relative to the barometric altitude. The MIN bug is displayed in white
in a cutout box to the left of the altitude tape.
The MIN range is -20 to 16,000 feet and is rounded to a resolution of
10 feet. The Minimum Alert Altitude display is removed when the
value is less than -20 feet. MIN is displayed on power up and returns
to the value set when the unit power was removed.
MINIMUM ALTITUDE ALERT CONDITION ARMED
When a minimum altitude is set and
the barometric altitude is within 50
feet of the set minimum, a yellow
boxed window is displayed in the
lower right corner of the ADI, above
the Minimum Altitude Alert window,
indicating the minimum altitude
detection condition is armed.
When the barometric altitude is equal
to or less than the approached
minimums set value, “MIN” is
displayed in the annunciator box.
If MIN data is invalid, the digital readout is replaced with three amber
dashes (---).The MIN label continues to be displayed.
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