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Garmin Vision G2 card

Old 05-31-2016, 07:13 PM
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Default Garmin Vision G2 card

I'm hoping someone can possibly help me here. I've done numerous trips with my garmin and love the device but one thing that I can't wrap my mind around is the "auto guidance" feature using the G2 vision card.

No matter how i configure it (depth, height, normal, far, closest to shore), it wants to route me through islands and not in accordance with mariner rules (i.e. following red on right buoys).

I realize auto guidance is an estimate but I would think that a marine gps with a marine card in it would know the rules of the road and not run me over islands. LOL.
Old 06-01-2016, 01:59 PM
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Originally Posted by bradv View Post
Fastest route with min water depth
I tried that and it routes me through islands which would be fun if I were on a hovercraft LOL.. Same with more depth as well as farther from land and so on.
Old 06-01-2016, 02:26 PM
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It bases the course on depths, not channels delineated by buoys. I've never had the auto guidance try to route me through a land feature. Are you selecting "guide to" or "auto guidance" after you have designated the destination point?
Old 06-01-2016, 07:43 PM
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I have been routed over land several times using a G2 Vision Chart and an 8212 while using auto-guidance.

A few software upgrades ago, Garmin allowed us to make changes to the proposed auto guidance route, so I just adjust the route.

I am hoping that the new HD charts with auto-guidance 3.0 will be better.
Old 06-02-2016, 05:37 PM
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Originally Posted by timp4411 View Post
I have been routed over land several times using a G2 Vision Chart and an 8212 while using auto-guidance.

A few software upgrades ago, Garmin allowed us to make changes to the proposed auto guidance route, so I just adjust the route.

I am hoping that the new HD charts with auto-guidance 3.0 will be better.
Ok so it just isn't me or my configuration. thanks.
Old 06-02-2016, 06:40 PM
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Originally Posted by CheckMateTim View Post
Ok so it just isn't me or my configuration. thanks.
I see you're in Middle River.

Auto-Guidance has no problem running over the top of Sue Island, but try to get it to go thru the Cut...... No Way !

It defies logic.
Old 06-02-2016, 06:42 PM
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Originally Posted by timp4411 View Post
I see you're in Middle River.

Auto-Guidance has no problem running over the top of Sue Island, but try to get it to go thru the Cut...... No Way !

It defies logic.
Yes I'm in middle river. If I follow auto guidance it will have me running right over top of Hart-Miller and it won't let me go through the cut there. :-)
Old 06-10-2016, 08:45 AM
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CheckMateTim,

Just for kicks, I did the software upgrade to v 8.0 on my 8212, and then made a "Waypoint" at the Ocean City Inlet.

I tried to let the unit to "Auto-Guidance" to the OC inlet waypoint. It took 45 minutes to complete the calculation, and oddly, it went DOWN the Bay to Cape Henry (Mouth of the Bay) and then up the Ocean to OC.

That was a MUCH longer route. I don't know why it didn't go up and thru the C&D canal, and down the Delaware Bay to OC.

Maybe there is a setting to calculate the "Shortest Route" like in the Garmin Automotive units. I'll have to investigate.

But that route was definitely what I was expecting.

At least Garmin added the capability to alter the auto-guidance route. If I go to OC, I will program shorter waypoints, like to Schaefer's in the C&D and so forth down thru the Delaware Bay.
Old 06-10-2016, 06:03 PM
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Dont trust that stuff.. I trusted mine and... Well, I guess you can say my boat was in the shop the next day...
Old 07-11-2016, 06:33 PM
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Has anyone resolved this? I have a Garmin 640 and just purchased a BlueChart g2 HD card. I have updated all of the maps and firmware. Even the shortest trip up the bay in my area tries to take me across land to the ocean and then back through an inlet. I have set the depth to everything from -0- to 3ft and over. No luck at all. Any ideas?????
Thanks
Old 07-11-2016, 08:55 PM
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The solution is to get rid of the Garmin. The maps they provide are poor in terms of accuracy and detail and if you are working with bad map data, all of the fancy features the unit is designed with are not worth much. Why would you spend so much on a super fancy chart plotter that has all kinds of capabilities but you can't really get them to work as conceived in many areas because the map is so poor?. Most buyers don't seem to focus on this much until after they run it and realize the map is so bad and then realize they have no other options. It seems to me that a chart plotter's functionality is only as good as the maps you can run in them. So basically you have a nice gps with a crappy map and that is the end of the story. It's been this way for years and they don't seem to care to address it. Get a Simrad - The Navico line provides the most mapping options of any mfg.
Old 07-11-2016, 09:05 PM
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I have the Garmin HD vision card and when I use
"GO TO"
It will send you over land if not paying attention.

When using
Auto Guidance
I have never had the boat take me over land.
It will also refuse to engage or give choice to engage when water is shallower than minimum specified by the user.

The only time I used Auto Guidance was in the bay and frankly I was not comfortable with it at all.


I use AP while offshore only. Too much going on near shore for me.

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