4.11 How do I monitor where I am going?. Raymarine E Series

81244_1.book Page 21 Wednesday, December 1, 2004 11:41 AM

Chapter 4: Using the Chart

600nm North-Up Relative Motion System

4-21

TIME

ETA HOURS

SOG

ACTUAL PLANNED

SET SOG

1.3kts

As an aid to passage planning, you can toggle the time calculations between estimated time of arrival and actual hours and the speed over ground between actual and planned.

4.11How do I monitor where I am going?

... using chart vectors

DATA CHART VECTORS

You can display a variety of graphical indicators to help monitor where you are going:

Heading (HDG) and course over ground (COG) vectors

Heading vector

(HDG)

Course over ground

(COG)

D6772-1

The ship’s heading (HDG) is displayed as a line with an open arrow head. It does not take account of winds or tides.

The course over ground (COG) indicates the boat’s actual course and is displayed as a line with two open arrow heads.