Lowrance electronic 10761001 GPS Receiver User Manual


 
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Radar | Lowrance HDS Gen2 Touch
Viewing target information
Tap the desired target and then tap Target details on the radar
menu.
MARPA target settings
Several vessel settings define alarm limits and how the targets are
displayed on your radar image.
Target trails and safe rings
You can define the length of the MARPA trail making it easier to
follow target movement.
A circle can be added around the MARPA target to present the
danger zone.
Vessels course extension line
Sets the length of the course extension line for your vessel and for
other vessels.
The length of the extension line is either set as a fixed distance or a
fixed time period to indicate the distance the vessel will move in the
selected time period.
Dening dangerous vessels
You can define dangerous vessels based upon CPA (Closest Point
of Approach) or TCPA (Time to Closest Point of Approach). When