75
Settings
Datum
A model of the earth’s surface based on a network of surveyed ground features
(points). This unit’s default datum is WGRS-84.
To select a Datum:
Select
1.
Datum
from the Chart settings menu and press
enTeR
.
Use the keypad to select the desired datum. Press
2.
enTeR
.
Coord System
Controls the coordinate system used when position coordinates are entered and
displayed.
To change Coordinate System:
Select
1.
Coord System
from the Chart settings
menu and press
enTeR
.
Highlight the desired option and press
2.
enTeR
.
Magnetic Variation
Converts magnetic north data to true north, increasing the accuracy of navigation
information. The Magnetic Variance Auto setting, automatically converts magnetic
north to true north. When using manual mode, you will have to input the magnetic
variance.
To change magnetic variation settings:
Highlight
1.
Magnetic Variation
on the System menu. Press
enTeR
.
Select
2.
Auto
or
Manual
and press
enTeR
.
Содержание HDS-10
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