Honeywell Bendix/King KFD 840 Primary Flight Display
ALTITUDE DATA INVALID
ALTITUDE SELECT READOUT AND BUG
Altitude Area
5-4
©
Honeywell International Inc. Do not copy without express permission of Honeywell
If altitude data is invalid, all altitude data is
removed and a red
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).
Press the right knob three times to activate
the Altitude bug ALT. Turn the knob clockwise
to
increase
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.
X
is placed over the entire
the
ALT
bug
KFD 840 PG PN 7450-0840-01
setting
and
Rev C May 28, 2010