Chapter 4: Setting Up 43
Chart Boundaries
When ON, Chart boundary lines are shown on the screen. The selected
setting is retained when the unit switched off.
Safety Contours
Set to display safety contours of less than 2, 5, 10 and 20 meters or set to
OFF. The selected setting is retained when the unit switched off.
Depth Contours
Set to display depth contours of 5, 10 and 20 meters, set to ALL to show all
contours or set to OFF. The selected setting is retained when the unit
switched off.
Spot Soundings
When ON, spot soundings are displayed. The selected setting is retained
when the unit switched off.
Light Sectors
When ON, light sectors are displayed. The selected setting is retained
when the unit switched off.
Presentation
Set to display navigation mark in either INTERNATIONAL or US
symbology. The selected setting is retained when the unit is switched off.
Position Calibration
When ON, all position data is offset from WGS 84 by the value of the
selected calibration. The selected setting is retained when the unit
switched off. The default calibration offset is zero.
➤ To perform position calibration:
1. Use the trackpad to select POSITION CALIBRATION.
2. Move the trackpad horizontally.
The menu is removed and a single function and help text are shown:
D4713-1
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