BendixKing KFC 500 - Manual (Page 38)

37
Vertical Speed Engage
Pushbutton — Pressing the
Vertical Speed Engage pushbutton
causes the flight director to com-
mand the aircraft to climb or descend
at the rate indicated by the vertical
speed bug on the IVSI.
Note: If the VS bug is in view when
VS is engaged, the preselected VS
will be commanded. If the bug is not
in view when VS is engaged, the
helicopter's current VS will be main-
tained and the bug will come into
view synchronized with the VS
pointer.
Altitude Select Pushbutton —
When pressed, the altitude select
key engages the flight director’s
Altitude Arm function in coordination
with the digital altitude display in the
KAV 485’s altitude preselect window.