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Old 03-03-2010, 14:12   #1
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Join Date: Mar 2010
Location: Faro - Portugal
Boat: Sessa Oyster18 Mercury 90hp Carb
Posts: 77
I Need Your Help, Please

I need your help,
Help me to understand each of these items.

Best regards, Algarve...
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Old 03-03-2010, 15:40   #2
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Location: Northern California
Boat: finally a catamaran dive boat...
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these are for the AIS plug in unit to portray various target vessels around you and decide if they are on a collision couse or not basically. It allows you to set the port to use the AIS unit.
You can set the various limits as to whether or not they are still a thret after a certain number of miles and it can alert you with sound etc. The bottom option is for the anchor portion letting you force it to ignore a solid target, more or less.
The COG means course over ground and it allows the option of displaying that intended course on your display or not.
I'm sure the other members of the group can shed a more detailed light on these functions and options since I'm not hooked into the AIS stuff with my boat.
the perfect dive boat is one you're on...
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Old 03-03-2010, 15:41   #3
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Join Date: Dec 2008
Location: Philadelphia
Boat: Murray 33-Chouette & Pape Steelmaid-44-Safara-both steel cutters
Posts: 4,183
For starters

CPA = Closest Point of Approach
TCPA = Time to Closest Point of Approach
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