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Radar | Lowrance HDS Gen2 Touch
your vessel comes within this distance from a vessel, the symbol will
change to the “dangerous” target symbol. An alarm will be triggered
if activated in the Alarm settings panel.
Vessel alarm settings
You can define several Vessels alarms to alert you if a target comes
within predefined range limits, or if a previously identified target is
lost.
Alarm ID Description
Dangerous vessel Controls whether an alarm shall be activated when a vessel
comes within the predefined CPA or TCPA. See Dening
dangerous vessels
above.
¼ Note: The check box controls whether the alarm pop-up
box is displayed and if the siren will sound. The CPA and
TCPA defines when a vessel is dangerous regardless of the
enabled/disabled state.
MARPA target lost Controls whether an alarm shall be activated when a MARPA
target is lost
MARPA unavailable Controls whether an alarm shall be activated if you do not have
the required inputs for MARPA to work (valid GPS position and
heading sensor connected to the radar)
Radar overlay
You can overlay the Radar image on the Chart. This can help you
to easily interpret the radar image by correlating the radar targets
with charted objects. When the radar overlay is selected, basic radar
operational functions are available from the Chart page menu.
¼ Note: You must have a heading sensor connected to your system to
use Radar overlay.