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Garmin 1243XVS. VS 8612 XVS

Old 12-02-2020, 02:19 PM
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Default Garmin 1243XVS. VS 8612 XVS

I am building a new 27 cc and need to start putting together the plan for electronics.

Its been a number of years since I have to buy new electronics and I am confused as to the Garmin hierarchy of products and what spending more gets you.

The new system will be. 2x12" MDF'S, AP, Radar, 2 1kw transducers one for trolling and one from bottom fishing.

The real question is what is the benefit of the 8612 vs 1243 ?

Old 12-02-2020, 02:32 PM
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Biggest difference is the 8612 can fire 3 transducers and the 1243 can only fire 1. But if you are doing 2 screens, two 1243s can fire 2 transducers. I'm going that route with dual 943s.
Old 12-03-2020, 09:05 AM
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aside from the sonar differences, 1243 has slightly larger display, 8612 has higher resolution.
Old 12-04-2020, 06:09 AM
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Would I be able to share Sounder info ?

So assume 2 units each with a transducer; could I do a split screen on one of units showing both transducers outputs ?
Old 12-05-2020, 12:09 PM
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Originally Posted by Holy Smoke View Post
Would I be able to share Sounder info ?

So assume 2 units each with a transducer; could I do a split screen on one of units showing both transducers outputs ?
yes on the split screen and you can network them together very easily with the NMEA2000 so they will both share information from one to the other.
I installed the 1242xsv on my last boat and loved the unit but was kind of disappointed that I didnít get the 7612xsv so I could have two transducers. I also shouldíve went with the thruhull vs the GTM51 transducer. Was great TD but did not read bottom going over 25 knots. Best it would read was maybe 18-20 knts
Old 12-05-2020, 07:54 PM
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Originally Posted by rjtfd View Post
yes on the split screen and you can network them together very easily with the NMEA2000 so they will both share information from one to the other.
I installed the 1242xsv on my last boat and loved the unit but was kind of disappointed that I didnít get the 7612xsv so I could have two transducers. I also shouldíve went with the thruhull vs the GTM51 transducer. Was great TD but did not read bottom going over 25 knots. Best it would read was maybe 18-20 knts
canít share transducer information over NMEA 2000. You can on the Garmin network though. Easy as a simple garmin network cable between the 2 devices.
Old 12-06-2020, 06:10 AM
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Originally Posted by Jgjohn6 View Post
canít share transducer information over NMEA 2000. You can on the Garmin network though. Easy as a simple garmin network cable between the 2 devices.
To be more accurate, the NMEA will share the depth number, but not the sonar screen data (marks/fish/structure stuff) With the Marine network, you get everything like it is a single unit with all features etc.
The garmin Marine network is just a ethernet cable and thus it is very very easy to plug in. The NMEA requires a bit more to do. NMEA IMHO will eventually fade away. But for now it is the best way for unique units to share data, (Brand A sharing GPS data with Brand B, Radios, sonar,AP... etc...)




Old 12-06-2020, 06:52 AM
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Originally Posted by Holy Smoke View Post
Would I be able to share Sounder info ?

So assume 2 units each with a transducer; could I do a split screen on one of units showing both transducers outputs ?
yes you can share sounder info back and forth between those units. However, unless theyíve recently changed this, you can only show one source on a screen at a time. Not one transducer or one frequency, but one source. The sources here would be the mfds with transducer(s) plugged into them. so if thereís only one transducer plugged into a source, you can only show info from one transducer on a screen at a given time. If a single source can accept a dual frequency transducer, then you split the screen showing both frequencies at the same time. If a source can accept multiple transducers, then You can split the screen with both transducers showing at the same time. Which screen doesnít matter. In other words, if one mfd has the transducer(s) plugged into It, but there is another fully networkable mfd in the network, the fully networkable mfd has no more limitations than the mfd with the transducer(s) plugged into it. Hopefully Iíve explained in a way that makes sense...let me know if I havenít.
Old 12-06-2020, 08:57 PM
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Originally Posted by highflier1 View Post
To be more accurate, the NMEA will share the depth number, but not the sonar screen data (marks/fish/structure stuff) With the Marine network, you get everything like it is a single unit with all features etc.
The garmin Marine network is just a ethernet cable and thus it is very very easy to plug in. The NMEA requires a bit more to do. NMEA IMHO will eventually fade away. But for now it is the best way for unique units to share data, (Brand A sharing GPS data with Brand B, Radios, sonar,AP... etc...)
I guess I have just never seen that done. I havenít seen a transducer plugged into a NMEA backbone. Or does the GPS send that information back into the NMEA network? It would be weird to practically ever use that since it makes way more sense just to directly network the devices. Iím sure NMEA 2000 will eventually be replaced but I donít think itís going to happen for quite a while. A fair number of things still use 0183 and it been around for quite awhile too. Definitely exciting to see what will come next!
Old 12-07-2020, 05:15 AM
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The xsv will add the data to the nmea network, I had a freind that had 4 7612-16ís on his boat. the sonar screen would be blank except voltage and depth, said. no body could fix it, So I spent 1 min and plugged in his either et cable to the blank sonar screen unit and poof. Now he has sonar on all units . Since then he tells me about all his challenges concerning boat and electrical issues :/
Old 12-07-2020, 07:11 AM
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To further illustrate the point -- I have a 7610xsv and a 7612 (non-XSV). The "xsv" means it has the sounder built in. So, in order to save a few bucks, I bought the 10" with the built in sounder and the 12" without it and then I networked them together using the ethernet cable. This allows me to utilize the built in sounder of the 7610, but use the larger display of the 7612. They effectively are both "XSV" units now.
Often times, while making the long run to a spot, I'll have the Chartplotter on the larger screen, but once I get to my spot and want to find the structure/fish, I swap screens so that the Sounder is now on the larger screen.

This CANNOT be done with NMEA2000. N2K will share data, as in raw numbers, but not images/screens. "Depth" is a standard N2K data sentence, so as long you have something on the network reading the depth number, that can be shared to all units. But the actual screen cannot be shared. That's what the ethernet is for.


Anyhoo, I'm following this thread because I, too, will be purchasing a Garmin unit soon for my Blackfin and I, too, haven't paid much attention lately to all the different nuances of the Garmin lineup. Too much overlap to keep track of.
Old 12-07-2020, 09:12 AM
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Originally Posted by Jgjohn6 View Post
I guess I have just never seen that done. I havenít seen a transducer plugged into a NMEA backbone. Or does the GPS send that information back into the NMEA network? It would be weird to practically ever use that since it makes way more sense just to directly network the devices. Iím sure NMEA 2000 will eventually be replaced but I donít think itís going to happen for quite a while. A fair number of things still use 0183 and it been around for quite awhile too. Definitely exciting to see what will come next!
To share Sonar or Radar between Garmin MFD's you need to use the Garmin Marine Network due to the amount of bandwidth required to do so and this can not be shared with other vendors MFD's. But NMEA2K network can share the depth number itself or other small bandwidth data information such as GPS position or heading between Garmin MFD's and any other vendors equipment capable of NMEA2K such as a VHF or other vendors MFD's.

Jim
Old 12-07-2020, 11:13 AM
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Originally Posted by jfwireless View Post
To share Sonar or Radar between Garmin MFD's you need to use the Garmin Marine Network due to the amount of bandwidth required to do so and this can not be shared with other vendors MFD's. But NMEA2K network can share the depth number itself or other small bandwidth data information such as GPS position or heading between Garmin MFD's and any other vendors equipment capable of NMEA2K such as a VHF or other vendors MFD's.

Jim
Yeah Iím tracking all that. What I was saying is I just donít know why someone would have 2 garmin devices networked over NMEA 2000 and not directly networked via the garmin network ports (more or less).
Old 12-07-2020, 11:30 AM
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Originally Posted by coores14 View Post
This CANNOT be done with NMEA2000. N2K will share data, as in raw numbers, but not images/screens. "Depth" is a standard N2K data sentence, so as long you have something on the network reading the depth number, that can be shared to all units. But the actual screen cannot be shared. That's what the ethernet is for.
The above is correct. Garmins can share sounder information over the garmin ethernet network. They will only share basic info like depth in feet over the N2K network.

In a normal config, you would have both the N2K and the Garmin Ethernet network connected between them.

Source: Own a pair of 1242XSV with one transducer on each. Shares data fine over both networks. On a previous boat, I had two lower-end 12" Garmins and one 7" XSV unit. I just plugged the transducer into the XSV and could see data everywhere.
Old 12-07-2020, 04:34 PM
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Thanks guys

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