Zooming
• The user can zoom out to show half the chart area on the screen (medium scale) and out
again to show the whole chart in overview (low resolution).
• The user can also zoom in to display the chart at High resolution (Original scale * 2),
Highest resolution (Original scale * 4).
• A warning will appear on the screen when the chart is displayed at any scale other than
the original scale. Only the original scale should be used for navigation.
Zooming can be achieved by using the two buttons or hot key F1 to zoom in and
F2 to zoom out.
When operating ARCS in seamless mode, zooming is achieved by selecting a new chart from
the catalogue.
CHOOSING A NEW ARCS CHART
BY MENU
To select another ARCS chart or a plan included on the current chart, move the cursor to an
appropriate point on the chart and right click to bring up the menu.
Locate the cursor on either Charts with higher scale or Charts with lower scale to display the
list of available charts.
ECDIS scans the chart catalogue to find all available charts containing the point where the
cursor was located and displays these charts.
To move to a plan, click Plans and a menu of available plans relating to the current chart
appears. Select a plan and the system displays it.
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