VisionMaster Ship’s Manual Chapter 1
Technical Specification Grid
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7.19.7 Grid
A LAT/LON grid can be displayed on the video circle, the grid values are
taken from the latest valid position of the CCRP, as reported by the position
sensor.
The grid can display between three and six LAT/LON lines, based on the
scale of the display.
The LAT/LON grid will not be displayed when the chart orientation is 45° to
135° and from 225° to 315°.
7.20 Routes
A route plan is a geographical referenced synthetic which can contain up to
200 defined waypoints.
Up to 100 route plans can be saved to a database. Route plans saved to a
database can be editable from any node on the network. If the same route plan
is being edited on more than one node at the same time, the operators at the
other editing nodes are notified when the plan is saved.
The following types of route plan are available:
• Temporary Plan - these can be created and executed at any time;
temporary plans are not saved to the database.
• External Route Plan.
7.20.1 External Route Plans
External Route Plans (ERPs) are route plans that were created and stored on
a GPS unit, a legacy VMS unit, or some other device external to VisionMaster
FT. These route plans may be displayed if they are sent using IEC 61162
RTE and WPL sentences over a serial connection.
Only basic monitoring (cross-track distance, distance to waypoint, and
estimated time to waypoint) is provided for ERPs. Track control, return-to-
plans, alarms, and the ability to save are not provided for ERPs.
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