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Reply With QuoteI like to mark the area with a bouy and go to down scan. to key In
Minnow
side image question
So in this picture the tree in the center should be right under the boat correct, Since it split it in half? However if i move the cursor more to the left headed to the base of the tree its going to tell me its 20 feet away to the left of the boat...what if i move it 3 feet further past the base of the tree? Is it now 23 feet away from the boat or 3? this is the one thing about side scan that has always confused me....some one help me out
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I like to mark the area with a bouy and go to down scan. to key In
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Correct ... Targets directly under the boat will show in both left SI and right SI ...
Distance to targets in SI (out to the side) is calculated as "slant range" to targets ... (that geometry Pythagorean thing) ...
Right Triangle Calculator with detailed explanation
Rickie
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Minnow
I see so in this picture the blue spot i made is not 40 feet horizontal from transducer,you have to take water depth into consideration ...is that correct? It would be 44.5 ft horizontally from the boat
Last edited by mo_crappie_killa; 08-21-2018 at 12:26 PM.
Minnow
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You would be correct ...Originally Posted by mo_crappie_killa
Right Triangle Calculator with detailed explanation
Rickie
Last edited by rnvinc; 08-21-2018 at 02:28 PM.
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Minnow
You have any idea how long this has bothered me not knowing the exact answer? lol thank you soooo much!!!!!!!!!
Guppy
Remember as it's drawing the tree at the top of the screen is when it under the boat.
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One other thing -- It is measuring the Distance the Boat has moved past where the Mark on the screen is from the Transducer
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that is another good reason to have your Current track turned on - where you can circle and get Rite back where you traveled the First time
