Honeywell FMZ Series Pilot's Manual page 352

Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
— RAMPX WAYPOINT -- When a last position is available, the FMS
compares the last position to the list of RAMPX waypoints.
RAMPX waypoints are pilot--defined waypoints with the name of
the RAMP plus any alphanumeric (0 through 9, A through Z)
character.
When one (or more) is found within 3 NM of the last position, the
closest one is displayed. When more than one RAMPX waypoint
is defined for the same airport, the FMS selects the closest to the
last position. When multiple RAMPX waypoints are defined with
the same latitude/longitude, the FMS selects the one with
highest alphanumeric priority.
— AIRPORT REFERENCE POINT (ARP) -- When a last position
is available and no RAMPX waypoints are found within 3 NM, the
closest ARP within 3 NM is displayed.
— PROMPTS -- When none of the previously discussed waypoints
are displayed, prompts are displayed by the FMS, as shown in
Figure 6--143.
3L and 3R -- The position of the highest priority GPS is displayed.
D
The priority order, from highest to lowest, is as follows: GPS 1, GPS
2, GPS 3. This order of priority applies to all FMSs. When the line
select key adjacent to the LOAD prompt (3R) is pushed, both FMSs
are initialized to the GPS position.
When the correct coordinates are displayed, pushing the appropriate
line select key (1R, 2R or 3R) loads the position, as shown in
Figure 6--144. The position is loaded to the FMS and transmitted to any
long--range sensors connected to the FMS.
Navigation
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REV 3 Mar 2009