Controlling The Chart; Moving The Chart - Raytheon RayChart 620 Operation Manual

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3.2 Controlling the Chart

This section covers the following topics:
• Moving the chart, so that a different area of the chart is displayed on
the screen
• Changing the chart scale using the RANGE key, and using the
display in Plotter Mode
• Centering the chart using the CENTER soft key, and using Home
Mode
• Displaying information about objects
Note: The orientation of your chart (North Up, Course Up or Head Up)
depends on your choice when you set up the RayChart, as described in
Chapter 6.

Moving the Chart

You will normally operate the RayChart 620 with the chart showing your
vessel's current location. In the default North-Up orientation, the display
is in True Motion mode, in which the vessel moves across the screen.
You will need to move the chart if your vessel moves out of the area
currently displayed, or if you wish to examine or place marks/waypoints
in another area.
There are three ways in which you can move the chart:
• Use the trackpad to move the cursor to the edge of the chart. The
chart will pan across (see Chapter 2). This method is useful if the
area you wish to see is only just off the screen.
• Use the RANGE key to zoom out to a small scale chart, move the
cursor to the centre of the required area, then zoom in on the new
area (see page 17). This method is useful if the area you wish to see
is a long way away.
• Use the CENTER soft key to center the chart on one of a choice of
positions: the vessel's position, the cursor position or a specified
position (see page 18).
Note: If you have selected a chart display with one or two data windows
(see Chapter 4), the RayChart will treat the start of the data window as
the edge of the chart.
RayChart 620