Northrop Grumman Sperry Marine VisionMaster FT, User Manual

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Radar/Chart Radar User Guide Routes
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
Speed Table - shows planned speeds and limits for each leg and
turn of the route.

Arrival Date/Time (UTC) and Arrival Time To Go - displays arrival
times for the various choices of speeds (planned speed, max
speed, etc.).
Arrival Time Planning
The Arrival Time Planning area includes selection of the arrival waypoint
and desired arrival date/time.
The
Arrival Waypoint field defaults to displaying the last waypoint on the
route plan. To change the arrival waypoint click on the drop down arrow,
the list displays all the remaining waypoints along the monitored route. For
example, if own ship is sailing to D9 waypoint on the route, all waypoints
from D9 onwards will be available for selection.
When a waypoint is selected,
the desired arrival date/time field is
calculated by assuming that ownship will complete the current leg at the
current speed and complete the remaining legs at the planned speed. The
system selects
Assume current speed and Limited Required Speed
options, and the speed table is updated accordingly.