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Go Back   SailNet Community > On Board > Gear & Maintenance > Electronics
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  #41  
Old 04-16-2012
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Re: Garmin GPS 72H and VMG?

Steve

I too gave up on Garmin Support - the solution came by pure chance from another skipper with a 72H!

Several of the round-the-bouys courses we sail use at least one mark several times - but I have not had the issue you mention since I:
  1. Set the proximity distance for waypoints to a practical distance (50m)
  2. Created a start line waypoint (mid-line)
  3. Added the start line waypoint as the first waypoint of each course
  4. Added each mark/waypoint in order (including any repititions, and a Finish line mid-point) to each course
  5. 'Start Navigation' of the chosen course whilst crossing the start line AND within the specified proximity circle of the start line waypoint (If I miss doing this because I'm too busy at the start - or just plain forget! - , I use 'Goto' from the Active Route page to jump to the first mark/waypoint to get the Route navigation back on track)
  6. Ensure that I pass within the proximity circle of the each waypoint when rounding that mark. (If this doesn't happen because I went really wide of the mark, I use 'Goto' from the Active Route page to jump to the next mark/waypoint to get the Route navigation back on track)

Having done all the above, the 72H switches religiously to the next mark/waypoint as I either pass the mark or exit its proximity circle (I can't recall which)

You shouldn't need to do the following:
Quote:
I now have each mark position stored as different waypoints, ie mark A is stored as A1, A2 & A3 and use this within the route.
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  #42  
Old 04-16-2012
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Re: Garmin GPS 72H and VMG?

Thanks, that very similar to what we have been doing. My proximity is set lower but does beep at each mark showing that we have reached the mark. Will try it set to 50m.

What software version are you running?

I originally had ver 2.5, but Gramin support got me to rollback to 2.4 and then I couldn't get back to 2.5 as the website didn't know that 2.5 was realeased. This was late last year and I haven't tried to update the software version since.
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  #43  
Old 04-17-2012
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Re: Garmin GPS 72H and VMG?

The 72H I just bought is running v2.6 - but I haven't been on the water with it yet. The one I have used whilst sailing (another skipper's) is a couple of years old, so expect its software is an earlier version.
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