Altitude data invalid, Altitude select readout and bug, Altitude select readout and bug -4 – BendixKing KFD 840 User Manual

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Honeywell Bendix/King KFD 840 Primary Flight Display

Altitude Area KFD 840 PG PN 7450-0840-01
5-4 Rev C May 28, 2010

Honeywell International Inc. Do not copy without express permission of Honeywell

ALTITUDE DATA INVALID

If altitude data is invalid, all altitude data is
removed and a red

is placed over the entire

altitude tape area. Loss of air data will also
cause the loss of TAS (true airspeed),
standard rate of turn indicator, and winds (if
installed).

ALTITUDE SELECT READOUT AND BUG

Press the right knob three times to activate
the Altitude bug ALT. Turn the knob clockwise
to increase the ALT bug setting and
counterclockwise to decrease the value.

Pressing and holding the right knob for more
than 2 seconds when ALT is highlighted will
cause the altitude bug to SYNC, synchronize
to the current altitude.