3. PLOTTER OPERATION

3.5.2Indices and chart enlargement

When the [RANGE] key is operated, you will see several frames appear on the chart. These frames are called indices and they show you what parts of the chart can be zoomed in on.

Sample chart (Japan) showing indices

When a chart cannot be displayed

A chart will not be displayed in the following conditions:

When the chart scale is too large or too small.

When scrolling the chart outside the indices. When this happens, select proper chart scale.

Note: Indices can be turned on or off with “Chart border line.” See page 5-13 for FURUNO and NAVIONICS charts and 5-16 for C-MAP charts.

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Furuno 1732C, 1753C Indices and chart enlargement, Sample chart Japan showing indices, When a chart cannot be displayed