8-13 Section 8 Functions of the ECDIS (Option)
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2 Using the trackball, move the cursor to "A" located at the upper left of the range you
want to enlarge, and then click.
3 Using the trackball, move the cursor to "B" located at the lower right of the range you
want to enlarge, and then click.
The enlarging range is enclosed with a rubber band and then that range is enlarged to the full
screen size.
Once enlarged, the zoom cursor changes back to the cross-hair cursor.
Memo
Switching charts
• Generally, multiple charts with different scales are provided for the same area; charts having
matching scale values are selected/displayed by enlargement or reduction.
• When a displayable scale range is assigned to an original scale of a chart and the original scale
is beyond this range, the chart will not be displayed unless there are other displayable charts.
• This equipment is installed with a world map background chart as the reference chart and the
chart is always displayed in the background.
Selected area
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