BendixKing KFD 840 - Manual (Page 61)

Honeywell Bendix/King KFD 840 Primary Flight Display
KFD 840 PG PN 7450-0840-01 VSI Area
Rev C May 28, 2010 6-3
© Honeywell International Inc. Do not copy without express permission of Honeywell
Vertical Speed Data Invalid
If pressure altitude or vertical speed data is
invalid, the vertical speed scale markings and
pointer are replaced with a red
X .