Heading extension
Use the chart heading extension to monitor ForwardScan on the chart panel. Heading
extension colors are based on the ForwardScan alarm values.
A Red - Critical
B Yellow - Warning
C Green - Safe
Setting up ForwardScan extensions
Select ForwardScan in the chart settings dialog to view the ForwardScan heading extension
on the chart panel.
ForwardScan installation settings
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 the alarm is turned ON and you travel into water shallow enough to cross into the critical
zone, the Critical Zone alarm is activated.
To receive Critical Zone alarms, enable the Forward range alarm in the Alarm settings dialog.
For more information about enabling alarms, refer to "Alarms" on page 142.
You can show the critical warning zones on the image by activating the Show zones menu
option.
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ForwardScan| NSS evo3S Operator Manual
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