Chart Display

The chart display is the main area of the ECDIS interface where electronic navigational charts and associated navigation elements are shown.

Chart display layout with main elements

Chart Display Elements

Element

Description

1

North direction indicator

Indicates the direction to geographic north, in accordance with the set ENC orientation

2

Current scale indicator

Displays the current chart scale. Pressing it opens the list of available scale levels

3

Off-scale indicator

Off-scale indicator, moved to the top of the chart display

4

Scale bar

Graphical representation of the current ENC scale

5

Own ship symbol

Own ship position

6

Ship’s track

Ship’s past track

7

Route

Planned route

8

Route graph (annotated route)

Detailed route representation with additional information

9

ENC

Electronic Navigational Chart data

10

ARPA target

Targets transmitted from the radar

11

AIS target

Targets received from AIS