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Wavy return on graphs?!
#12368098
08/01/17 09:49 PM
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Joined: Jun 2016
Posts: 1,514
i-Fish
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2016
Posts: 1,514 |
I cannot figure out how to stop it. It's driving me crazy. It's on both the bow and console. Different transducers...??? Please help!
If you can't find em wind em.
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368107
08/01/17 09:54 PM
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Joined: Aug 2009
Posts: 1,681
Capt Craig
Extreme Angler
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Extreme Angler
Joined: Aug 2009
Posts: 1,681 |
This looks like trolling motor interference. The give away is the vertical lines visible in the water. I think if you turn off your trolling motor, you may see it clear up. Sometimes this occurs with the boat rocking side to side. You have to determine the solution by the process of elimination.
Capt. Craig Copeland Licensed by the US Coast Guard
2019 Nautic Star 215 XTS Shallow Bay Boat Humminbird HELIX 12 CHIRP MEGA SI GPS G3N Nautic Star Boats Pro Staff (nauticstarboats.com) Redneck Fish'n Jigs Pro Staff (redneckfishn.com)
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368167
08/01/17 10:46 PM
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Joined: Dec 2008
Posts: 16,193
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,193 |
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368279
08/02/17 12:02 AM
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Joined: May 2009
Posts: 978
MAK747
Pro Angler
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Pro Angler
Joined: May 2009
Posts: 978 |
I agree with Grout, looks like grass/weeds. Hard to tell in such shallow water. What does it look like when you get in deeper water?
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368549
08/02/17 02:00 AM
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Joined: Jun 2016
Posts: 1,514
i-Fish
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2016
Posts: 1,514 |
Did it mostly everywhere but it was quite windy for a while. White capping for sure. Once that settled the return got much better.
If you can't find em wind em.
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368563
08/02/17 02:08 AM
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Joined: Dec 2012
Posts: 6,687
44 Diesel
TFF Celebrity
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TFF Celebrity
Joined: Dec 2012
Posts: 6,687 |
Vertical lines like that can indicate cross talk. Are you running both transducer at the same time. The bottom looks like you are in rough water
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Re: Wavy return on graphs?!
[Re: 44 Diesel]
#12368651
08/02/17 02:38 AM
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Joined: Jun 2016
Posts: 1,514
i-Fish
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jun 2016
Posts: 1,514 |
Vertical lines like that can indicate cross talk. Are you running both transducer at the same time. The bottom looks like you are in rough water I am running both simultaneously and that was my concern. But I didn't know what to do at the time or how to fix it going forward. Put one on standby while I'm using the other? Is that the only option?
If you can't find em wind em.
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368677
08/02/17 02:48 AM
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Joined: Dec 2012
Posts: 6,687
44 Diesel
TFF Celebrity
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TFF Celebrity
Joined: Dec 2012
Posts: 6,687 |
Try using the 83khz on unit and 200 on The other, that should greatly reduce the cross talk if not totally eliminate it.
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368731
08/02/17 03:04 AM
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Joined: Dec 2008
Posts: 16,193
grout-scout
TFF Guru
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TFF Guru
Joined: Dec 2008
Posts: 16,193 |
Usually crosstalk comes in the form of lines (like a morse code) on the screen, it's very distinctive and if what you have is an electrical interference then it's the oddest thing I've ever seen. If it's not weeds, then it could possible be silt churned up. Just seems to consistent for crosstalk, but what do I know.
The lines at the top & middle of the graph are most def crosstalk, but we're talking about the bottom 1 foot, right?
Last edited by grout-scout; 08/02/17 03:07 AM.
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368853
08/02/17 04:13 AM
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Joined: Apr 2015
Posts: 1,818
Curtbass
Extreme Angler
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Extreme Angler
Joined: Apr 2015
Posts: 1,818 |
You just anwered your own question about the wavy bottom in the picture. The waves on a windy day cause the boat to rise & fall. Especially in shallow water pictures & higher sensitivity setting, turn it down one or two notches when shallow & see if it only gives a single bottom. Looks like you're getting a double reading for bottom. Notice its almost an exact copy of the actual bottom. Grass doesnt match the bottom contour exactly. Yes it varies, but that follows bottom TOO consistently. Its a double image. .Mine does it too. Mine is worse on the front transducer because it rises & falls more than the stern transducer. The vertical lines are crosstalk/ interference .
Last edited by Curtbass; 08/02/17 04:27 AM.
ELITE POWER SYSTEMS/ Elite Fishing Products Lithium Battery & Charging Systems, Soft Plastics, Tackle,Tokyo Rigs Tight lines & stay safe out there.Gods blessings
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Re: Wavy return on graphs?!
[Re: i-Fish]
#12368940
08/02/17 10:59 AM
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Joined: Oct 2002
Posts: 6,102
ring fry
TFF Celebrity
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TFF Celebrity
Joined: Oct 2002
Posts: 6,102 |
Looks like waves to me.
SE Kansas grass grower
2008, 2022 NCAA Men's Basketball Champions GO JAYHAWKS
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Re: Wavy return on graphs?!
[Re: ring fry]
#12369005
08/02/17 12:32 PM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Looks like waves to me.
SE Kansas grass grower Yep...turn your gain down a bit, and some of that interference should clear up. Best thing would be to stop sonar on one of the graphs.
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