ForwardScan extension
1 Red - Critical
2 Yellow - Warning
3 Green - Safe
Select ForwardScan in the Chart Settings dialog to view the ForwardScan heading extension
on the chart panel.
ForwardScan setup
Specify the setup in the ForwardScan installation dialog.
Critical forward range and Critical depth
Critical Forward Range and Critical Depth are user-selected thresholds that define a critical
zone forward of your vessel.
If you travel into water shallow enough to cross into the critical zone, the Critical Zone alarm
is activated. You can display the critical warning zones by activating the Show zones menu
option.
ForwardScan | NSO evo3 Operator Manual
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