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LSS-2 install question

Old 08-06-2013, 06:35 AM
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Default LSS-2 install question

A little background here,, I just bought a HDS-12 Touch and 2 LSS-2 transducers. 1 for my flats boat and 1 for my 25' Trophy. I got it installed on the flats boat and it works fine, But I didn't realize I also need a normal transducer to show the depth and the Downscan feature. I picked up a 83/200 skimmer transducer from West Marine for the flats boat which I still need to install. The question on this one is should I install it around 1/2" or so higher than the LSS-2? The LSS-2 is on the starboard side of the drian plug and want to put the 83/200 skimmer around 6-8" to the left, so it will be just to the left of the drain plug on the port side. I will post a picture.
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Old 08-06-2013, 07:47 AM
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You might want to mount the 83/200 skimmer xducer on the transom above that step - that's how I have mine. regardless, you wil want the 83/200 just a little higher.... but with it mounded under the step I worry if you'll be able to maintain a bottom luckwith the turbulence iunder the step there...

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Old 08-06-2013, 07:56 AM
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Is the LSS not affected as much in turbulence?
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Old 08-06-2013, 08:02 AM
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yes - in my install the LSS looses lock as I get above 10 mph and while running on plane - but given its use I don't care - when I'm trolling with a trolling motor or very slow speed searching for fish.....
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Old 08-06-2013, 08:21 AM
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Gotcha I'm getting a good reading up to around 25/30mph.

Next question; On my Trophy, Should I put the LSS-2 in place of the existing transducer? and install the normal transducer just to the left of the drain? I have a M260 that I need to install but that will be put in near the helm due to no other areas to install it. What transducer would you recommend to compliment the LSS?

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Old 08-06-2013, 10:15 AM
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This is the optimal location for the lss2. It looks like you have a similar flat spot. Flush mounted on the bottom of the hull gives the best results for the sidecan and downscan. There is nothing to block the signal to the sides and I still get a picture at 50mph.
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Old 08-06-2013, 11:17 AM
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Originally Posted by mossbackinsocal View Post
This is the optimal location for the lss2. It looks like you have a similar flat spot. Flush mounted on the bottom of the hull gives the best results for the sidecan and downscan. There is nothing to block the signal to the sides and I still get a picture at 50mph.
What transducer are you using for sonar/downscan?
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Old 08-06-2013, 11:28 AM
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I'm using the 83/200 skimmer for the sonar, the downscan comes from the lss2. The skimmer also reads at speeds of 50mph. With the transducers mounted like this I never loose bottom except when going over 30mph and the depth is deeper than 350 feet or so. Even at 50 mph I get a bottom reading up to about 250 feet deep. In shallower water The sonar is giving a good picture( with some turbulence noise on the screen) at all speeds.
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Old 08-06-2013, 12:23 PM
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Do you use the downscan overlay? also what does the shield over your skimmer do?
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Old 08-06-2013, 12:59 PM
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Originally Posted by fshon View Post
Do you use the downscan overlay? also what does the shield over your skimmer do?
Not often, I like to have it split 3 ways with windows for sonar, downscan, and side can. The shield is to keep the saltwater from spraying up on the engine, I made it from some thin aluminum. I found that if I raised the transducer a little the spray would go away, but I would lose readings at higher speeds, thus being down just a hair it would spray water up and hit the side of my cowling but the readings at cruise speeds and wot where more important to me. The shield eliminates any water directed at the outboard. It might not be the prettiest setup but the function of the sonar readings are 1st priority.
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Old 08-08-2013, 08:53 AM
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Ok, here's another install location question, will I have a problem being so close to the lower unit?

see pictures.

This is at full turn.






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Old 08-08-2013, 10:54 AM
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Pics not showing up?
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Old 08-08-2013, 02:22 PM
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Try this link


https://skydrive.live.com/redir?resi...ILmJTIlx1mrjO0
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Old 08-08-2013, 03:26 PM
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As long as it doesnt hit, and mess with the waterflow to engines it should give a good picture. Only way to know for sure is to go run it and see what you get.
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Old 08-08-2013, 06:05 PM
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Originally Posted by mossbackinsocal View Post
This is the optimal location for the lss2. It looks like you have a similar flat spot. Flush mounted on the bottom of the hull gives the best results for the sidecan and downscan. There is nothing to block the signal to the sides and I still get a picture at 50mph.
I have my lss-2 mounted the same way and agree its the best way to go. I never lose bottom up to my max spped of 42 mph. sidescan is completely unblocked and works awesome as well. If you have a similar flat spot mount it there.
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Old 08-09-2013, 06:16 AM
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Originally Posted by eseae View Post
I have my lss-2 mounted the same way and agree its the best way to go. I never lose bottom up to my max spped of 42 mph. sidescan is completely unblocked and works awesome as well. If you have a similar flat spot mount it there.
So the engines don't get in the way of the side scan?
To me it looks like the engines would block some of the side imaging
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Old 08-09-2013, 08:34 AM
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mwardncsu's installation is a worry free approach. Down the road you may need to remove it or replace that transducer. Mount it to your transom and don't put a bunch of holes in your boat to install an accessory which will be outdated in 5-10 years.
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Old 08-09-2013, 09:53 AM
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Originally Posted by fshon View Post
So the engines don't get in the way of the side scan?
To me it looks like the engines would block some of the side imaging
I think he has it mounted flush to the bottom like mine. Yes the engines can block some of the signal for the sidescan. Mounting it as far down as possible on the transom, and at slower speeds trimming up the engines it should be minimal. Again if it could be flush mounted on the bottom or thru hull is optimal. If mounting it on the transom is the only option then you want it as low as possible on your transom.
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