6.3 Using the chart safely

When using your chartplotter you should always check that a route is safe.

Zoom in to check for hazards, such as small shoals, that may not be shown on a smaller scale chart. Until you are familiar with interpreting the chart display, you should take every opportunity to compare the displayed objects with visual targets, such as buoys and coastal structures. You should practice harbour and coastal navigation during daylight and in clear weather conditions. The simulator mode can also be used to help you gain experience.

6.4 What the chart displays

The chart display has a number of features to help you navigate.

The following diagram illustrates the main features:

Using the chart

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Raymarine C140w, C90w manual Using the chart safely, What the chart displays