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jt24

False readings??

9 posts in this topic

Was out yesterday and my vex was giving my a false bottom? I was in about 20' on a break and i could not see my jig or fish 2 feet up or less. At first i thought it was fish but soon realized that it wasnt. I turned the gain down and you could clearly see the bottom and what ever else 2' up. showed up really red like a fish and yellow and green right below. Turn up the gain and it was all red. I dont think it was weeds because of where i was fishing. Any info would help me to understand! Kind of a helpless feeling when your used to seeing everything!

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Sounds like a stick, brush, junk or some another fixed object near the edge of the cone 2' off bottom. I see these type readings all the time on rivers.

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Ed "Backwater Eddy" Carlson

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You weren't on a real sharp break were you? I've have a simuliar reading on Cass Lake when fishing very sharp breaks. One side of the cone might be reading 21' while the other side is reading 17'. Results in a fuzzy/cluttered reading of the bottom.

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If the break was that sharp you would get a dead spot in the cone.

You would see the jig hit the bottom on the Vex yet it would still fall beyond the mark. That is a sure sign of a dead spot.

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I've had this happen with my 9 degree ducer and it goes away when I wipe the bottom of my ducer with my hand or a rag...

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Chells

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The exact thing happened to me on a gravel pit the other day. The problem was the entire pit was on a break. I got two readings for the bottom and a ton of clutter in between when I knew there wasn't brush down there. Double Bottom is what you have since the break is sharp and one side of your cone is much higher than the opposite side.

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It is a dead zone. Check the Vex web site they have info on what you encountered

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Icehawk
Ya that was me and yes it is a really steep drop. I thought that it might have been the problem but wasnt real sure. So where is a good spot on koronis? That was my first time out there and with the uncertain ice i didnt really feel like just driving where ever!

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JT24; If you were on koronis the other night like I think you were. The reef you were fishing off third island has alot of rocks and is a real steep dropoff. This might of had some kind of effect on the way you could read your jig on your vexilar.

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