Honeywell FMZ Series Pilot's Manual page 332

Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
The HOV and MOTxx waypoints speed and altitude are displayed
as follows:
— Prior to reaching the FHAF waypoint, the speed constraint and
altitude constraint (Baro) associated with the HOV and MOTxx
waypoints are displayed.
— After reaching the FHAF, only the altitude constraints associated
with the HOV and MOTxx waypoints are displayed. The speed
constraint is not displayed and pilot entry is not permitted to
modify the MOT flight plan speed and altitude constraints.
6R -- When within 200 flight plan miles of the destination airport, the
D
ARRIVAL prompt is displayed at 6R. Pushing the ARRIVAL prompt
shows the ARRIVAL page, permitting selection of the arrival
procedure and surface.
Navigation
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REV 3 Mar 2009