Sperry Marine Visionmaster FT ECDIS, User Manual

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Navigation Tools ECDIS User Guide
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Realigning PI Lines and Sets
A set of PI Lines may be realigned so that all lines are redrawn to own
ship's current heading. This feature applies to the Default Set as well as
operator defined sets of PI lines.
Individual PI lines may also be realigned parallel to ship's heading.
PI lines may only be realigned when there is a valid heading for own ship.
To realign PI lines do the following:
To realign a set
1. Select the PI line set from the drop down list.
2. Click on the Realign Set button. An `Action Required' prompt
appears requesting confirmation of the realignment.
3. Click the Yes button to confirm. The bearing of each line changes
to ships current bearing and the PI lines are redrawn on the display
parallel to ships heading line.
There are two ways of realigning a PI line to ship's heading.
To realign using the PI Lines menu:
1. Select the line from the Line Data area
by clicking on the line's reference
number (when selected the numbered
box is highlighted.
2. Click the Realign Line button at the bottom of the Parallel Index
Lines window. The line bearing changes to ship's current bearing
and the line is redrawn parallel to the heading line.
To realign a PI line from the screen:
1. Move the cursor over the PL line until the cursor symbol changes to
the following
2. Right click on the line and from the
context menu select Realign PI Line
Parallel to Own Ship. The line is
redrawn parallel to ship's heading line and the line's bearing is
adjusted.