Raymarine 620 Specifications download pdf (Page 28)

Chapter 3: Controlling the Chart and Using the Default Soft Keys

Chapter 3: Controlling the Chart and

Using the Default Soft Keys

3.1 Introduction

This chapter explains how to perform some basic chart operations

using the trackpad, RANGE key, and the default soft keys. The default

soft key display is shown below.

D3352-2

Note: If you have set up your system so that the soft keys are not

displayed all the time (Help Level 0), press any soft key to display the

labels.

This chapter covers the following topics:

• Controlling the chart, including panning the chart (moving the area of

the chart displayed on the screen), changing the range scale,

centering the chart and displaying information about objects

• Using the GO TO key to navigate towards a selected point

• Setting up and using on-screen routes

• Measuring distances using the RULER key

Further basic functions, including track histories and placing marks and

events, are described in Chapter 4. More advanced operation, involving

the stored lists, is described in Chapter 5, including retrieving stored

routes and making new routes using stored waypoints.

Safety

The RayChart makes it very easy to mark a waypoint and track towards

it. However, you should always check first that the route is safe. If you

are using the RayChart in combination with a SeaTalk autopilot, the

autopilot will prompt for confirmation before it steers the vessel towards

the waypoint.

If you have entered your route using a small-scale chart, zoom in to a

larger scale to check for hazards, such as small shoals, that may not be

shown on the smaller scale.

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Raymarine 620 Specifications Page 28