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Thread: 898c SI - Not sure I am getting the resolution I should.

  1. 08-04-2014, 02:26 PM #1
    hartwa
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    Default 898c SI - Not sure I am getting the resolution I should.


    Hi Guys....


    I have a 898c SI that i bought a couple of years ago. I have used it very little since my kids were too young to get out in the boat. Now I have more time so I purchased the Ipilot link system a couple of weeks ago and we have been out almost every other day.


    I never really had a lot of time to study the 898 and question what benefit it has given me... I want to make sure I am getting all I can out of the system.


    Do you guys really find schools of crappies with the Side Imaging? I have not been able to do that at all over the last few weeks. I can see structure....but then I have to pass over it and see if it is holding fish. Do you guys do this? The question is how often do you really spot schools of crappie with the SI out of the water column?


    I do not feel I get the image quality that others are getting. I compare the SI images and DI to what I see in simulation mode and they are miles apart. I have also seen images posted on line that are pretty cool. I wonder if something is wrong with my system or if it is me? The images online are clean...mine are blurry. Are those guys using 800kHZ when they take those really nice images...like seeing crappies off to the side out of the water column?

    I use 455 to get the full slice of water...I match my boat speed to the chart speed....I adjust the sensitivity, contrast and sharpness like everyone says to do. I do not get even close to the image like the one below...

    https://images.search.yahoo.com/imag...yoBo8&fr=crmas

    My DI is even worse than my SI....It is just all blurry.


    Does water quality matter? I am on Lake Wissota in Wisconsin. This time of year there is a lot of green string alge in the water. I have went to other clear lakes and have not had better success imaging.


    My transducer is level with the boat transom as it sets on the trailer....on the water it may set heavier on the console side where I sit... Is that a big deal?


    I appreciate any help...I am really frustrated. My wife and kids love to fish and I want to get them on fish but this is not helping me.
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  2. 08-04-2014, 03:10 PM #2
    genec
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    Need a few pic,how far of a range are u going,when u say u are matching speed,what is your speed? And don't expect your pic to always match others best pic,go with someone that has a si,also it takes time to learn a unit and are you understanding crappies by the season as to where they should be,as to unit it will show u a school of crappies if range is not too far,i like about 60 feet or so on each side and run speed about 3 if looking for good pic,also if u see something hit cusor and adjust sent and contrast while unit is stop to get best pic,others will come on here to help u
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  3. 08-04-2014, 05:49 PM #3
    Redge
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    Genec has given some great advice! I use 455 95% if the time. Yes I see schools of crappie on side imaging. 75' range 3 mph, chart speed on 3 or 4. I have seen schools of crappie up to 45' deep in the wintertime on SI. There is a learning curve as stated above. If you can find someone local to do a ride along with you could shave 50% off the curve, IMHO!
    My home lake has 3' to 15' visibility depending on the part of the lake.
    Hope this helps, others will be along shortly to chime in with good advice!
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  4. 08-04-2014, 06:50 PM #4
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    The image in the link is a HB advertisement image...and ya know HB is not going to post any images except for the very best in a lineup of images...

    You seem to already know the basics ...(your words show you've been studying)...

    Always be aware that some Enviromental conditions are just not conducive to getting good images...hard bottoms and hard targets are the easiest...

    Also be aware that the 455kHz frequency is always going to be fuzzier than the 800kHz frequency....but the 800kHz is going to be darker at the edges of the screen...

    I use 455kHz for finding new structure all the way to the edges of the screen...
    I use 800kHz for discerning the detail closer to the boat...

    The differences are obvious ...


    Post some pix of your 455kHz images and your 800kHz images...so we can see if there may be some technical issue that needs attention...

    Rickie
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  5. 08-05-2014, 09:25 AM #5
    hartwa
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    Thanks for chiming in and helping me out. I got a lot better last night...I went back through the installation manual and saw that my transducer was tipped way down. The manual said it should be 4-5° lower at the tip (away from the boat). Mine was close to 40°. After I brought this up I went out and saw some improvement.
    See images.... sorry about the clay matthews pic

    Attachment 170175Attachment 170176Attachment 170177Attachment 170178Attachment 170179Attachment 170180Attachment 170181

    Couple more questions...
    Have you guys seen this issue with the DI?
    Is this baitfish I am seeing on the structure?
    How level do you guys have your transducer? Do you level it to how your boat sets in the water or just level to how it sets on the trailer?
    How important is getting the transducer level? Am I splitting hairs here?

    I wish I had someone with a SI to compare to or learn from...but all my friends are too cheap.

    Thanks for the help...

    Hartwa
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  6. 08-05-2014, 10:39 AM #6
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    LowePro
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    Name: image.jpg Views: 551 Size: 76.1 KB

    Name: image.jpg Views: 547 Size: 72.0 KB
    Name: image.jpg Views: 549 Size: 57.2 KB
    Name: image.jpg Views: 539 Size: 64.7 KB

    Im not sure about anything I am doing with side imaging yet. But Sunday I took these pictures with my iphone of my graph. These images have not been altered in any way (because i dont know how to yet lol). I cant recognize these fish on here as crappie or not, but I posted up on top of this school and sure caught alot of crappie!
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  7. 08-05-2014, 10:42 AM #7
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    Right now thats the only way I can identify what I am looking at. See it, catch it, then identify it.
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  8. 08-05-2014, 04:20 PM #8
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    I can't get the attachments to open...

    It is important for the xducer to be level with the water's surface...

    Sometimes this can be done by following the scum line on the boat...

    It is only necessary to tip the rear of the xducer "tail down" if there are problems getting clean bubble free water flowing over the xducer face at higher speeds...

    Rickie
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  9. 08-05-2014, 04:23 PM #9
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    Quote Originally Posted by LowePro View Post
    Right now thats the only way I can identify what I am looking at. See it, catch it, then identify it.
    This is also the way most of us positively identify fish species...

    One can make a educated guess by knowing the patterns of certain species at certain times of the year...

    Catchin 'em is the best identification....

    Rickie
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  10. 08-06-2014, 05:59 AM #10
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    arkcrappie
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    LowePro, I am in the beginning stages of learning to read these screens too. How deep did you catch the fish in the water column? From what I understand, those should be half way up in the water column??
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