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Garmin Networking between MFDs

Old 01-16-2020, 09:43 AM
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Default Garmin Networking between MFDs

I'm looking at upgrading from an old 3210 system (3210, GSD-22, 30A Sirius XM/weather, P66 transducer), and considering going to a two-screen setup with one larger screen (10" or 12") on the "driver's side" of the console and a smaller screen to the right. I'm wondering exactly how much control and functionality is shared between two networkable Garmin units when networked together. Based on my research, I believe I'm right that the internal maps would not be shared, but putting that aside, how much control does each unit have over the other, particularly the other unit's sonar? Is it seamless? Particularly thinking if one unit was a xsv unit and the other was not, would the non-xsv unit "act" like an xsv unit in day-to-day use, or is there more to it?
Old 01-16-2020, 09:54 AM
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i have exactly that, a 7610xsv and a 7612 (non-xsv).
they are networked together and aside from the sharing of internal maps like you mentioned, they act as the same unit.
I regularly swap screens depending on my priority. Sometimes I want the sounder to be on the bigger screen to my left. Sometimes I want it smaller but right in front of me. Easy peasy. It works the same on both units.
Old 01-16-2020, 10:49 AM
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Correct, you cannot share internal maps but you can share added Sd maps such as G3 Vision .

The non xsv will act as a monitor...just use a network cable...and also it is good to connect the NMEA 2000 also.

Last edited by semperfifishing; 01-16-2020 at 02:48 PM.
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Old 01-16-2020, 10:53 AM
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Originally Posted by semperfifishing View Post
Correct, you cannot share internal maps but you can share added Sd maps such as G3 Vision .

The non xsv will act as a monitor...just use a network cable...and also it is good to connect the NMEA 2000 also.
I may be misunderstanding the question. But I have a 7612 (built in maps) and a 7412 (no maps) networked together and the 7412 uses the 7612 maps no problem? I don't have any cards in either plotter.
Old 01-16-2020, 02:05 PM
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Thanks for the responses, this is very helpful. I am curious about the comment above concerning base map sharing, as that's not something I thought was possible.
Old 01-16-2020, 02:50 PM
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Originally Posted by Prospective View Post
I may be misunderstanding the question. But I have a 7612 (built in maps) and a 7412 (no maps) networked together and the 7412 uses the 7612 maps no problem? I don't have any cards in either plotter.

If both units have built in internal maps..they cannot be shared.
But if only one has the built in internal...it can share with another unit that does not have the maps buit it in....such as yours.
it is confusing at times..lol
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Old 01-17-2020, 05:40 AM
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I don't think this is an especially relevant question. It is not a real life concern. If you have two US market units from the 7600 series that come with internal charts, the internal charts can each be updated as needed. More likely you may eventually end up having an updated or supplemental chart on an SD card, in which case that chart will be shared over the ethernet network between the units. That is what I have on my system of two 8617s and a 7612. The newest chart I have is a g3 update on an SD card that is in the card slot on the 7612. That chart is available to display on all three machines.
Old 01-17-2020, 05:54 AM
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Just to be clear, as the OP, my question was “exactly how much control and functionality is shared between two networkable Garmin units.” My focus was usability, not what happens with internal chart data. Got my answer, and thanks to all!
Old 01-17-2020, 06:23 AM
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Originally Posted by Nomans View Post
I don't think this is an especially relevant question. It is not a real life concern. If you have two US market units from the 7600 series that come with internal charts, the internal charts can each be updated as needed. More likely you may eventually end up having an updated or supplemental chart on an SD card, in which case that chart will be shared over the ethernet network between the units. That is what I have on my system of two 8617s and a 7612. The newest chart I have is a g3 update on an SD card that is in the card slot on the 7612. That chart is available to display on all three machines.
some people will buy one xsv unit w/internal maps and then network it to one or more non-xsv units without internal maps to save some $$. although, in the end it likely costs them $$ as the units w/the sounder & internal maps get a premium when selling used units--a premium that is more than the $$ saved at the time of purchase nearly all the time. ymmv

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