Sperry Marine Visionmaster FT ECDIS, User Manual

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Basic Operation of ECDIS ECDIS User Guide
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- In North Up (NUP ) mode at scale values of 1:5,000,000 and higher
- In Course Up (CUP ) mode at scale values of 1:3,000,000 and higher
In Polar Stereographic Projection or Mercator
- For latitudes above 70deg. at any scale
•
Presentation Mode dictated by Raster Charts.
•
In North Up (N UP) mode the heading line is drawn at the current
compass heading.
When own ship is off-centred, the heading line bearing is automatically
adjusted so that the scale is always referenced correctly.
For further information on own ship's heading line, see Presentation
Modes.
Beam Line
The beam line is a short line drawn at right angles to the heading line and
extending to each side of own ship's
CCRP , the default (minimum) length is
10mm.
The beam line length can be increased from the 10mm default from the
Display Settings sub-menu in the NAV Tools menu.