Sperry Marine Visionmaster FT ECDIS User Manual page 240

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To delete clearing lines, do the following:
From the Clearing Lines Menu:
1. Click the Delete button, in delete mode the button is highlighted
and the letters DEL are added to the cursor.
2. Move the cursor over the line's origin point. When the cursor is in
the correct location the cross lines change to diagonal lines.
3. Click the left key on the trackball. The clearing line is deleted.
From the Context window:
1. Right click on the clearing line to be
deleted and select Delete Clearing
Line from the context popup
window.
2. The clearing line is deleted from the
display.
To AUTO Join clearing lines, do the following:
AUTO Join is used to make the presentation of lines clearer in cases
where many clearing lines are created in close proximity.
The AUTO Join feature can be applied where two or more bearing lines or
range lines bisect. For example, if two clearing lines are created in the
same set, the length of the 2nd line will be automatically trimmed at the
intersection point with the 1st clearing line.
1. To enable automatic joining of two or more clearing lines click the
AUTO Join button. When AUTO Join is enabled the button is
highlighted until the feature is disabled by clicking the button again.
2. Add the type of clearing line to auto join by clicking the Add
Bearing or Add Range button, the selected button is highlighted,
in addition to the AUTO Join button.
3. Create a clearing line on the chart display as described previously.
4. Move the cursor over the clearing line (2
the cursor changes to the following graphic
5. Hold down the left key and drag the line to the 1
When the selected line bisects the 1
end of the 2
st
of the 1
5-14
nd
line's origin point is trimmed at the intersection point
line.
ECDIS User Guide
nd
line) to be trimmed until
.
st
clearing line.
st
clearing line the arrow at the
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