pictures from my 998. help please kosmo

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i know what some of these are like the few brush tops that are there i need help with the more obscure images

let me know please kosmo

also i have a recording if u would like me to email it to you so you can tell me what u think i should do

i was running 2d on 200 at 14 and not showing anything in the 3 view pics but seen it on the si/di

any help is greatly appreciated

great pictures.....those lines showing up near the surface on the di are coming from some kind of blockage near the surface and your transducer is pinging off it. those other lines in some of shots are interference coming from your outboard. i can see it more when you throttle up on your motor.you've got a real pretty shot of some kind of brush/tree top that sure looks like it would show up on the 200khz but it doesnt so its got to be more than 7 ft. off to one side.you also have a good shot of a fish that i can make out head from tail and also see his dorsal fin.(way to go) remember when looking at those fish on di from si they all look like there strait under the boat and some are, but some can be way out to the sides so if you dont see fish on the 200khz but you do on di that means there outside of the 200khz coverage area.:biggrin

I think I'm finally getting the hang of it

maybe rickie will look at your pictures and help you on fingering out some of the structure. hes a lot better at that stuff than me

On the interference lines are from my flasher that I run which has its own transducer. The white lines on si. I can see the fish now but hard to see when on the lake.

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Originally Posted by South65

On the interference lines are from my flasher that I run which has its own transducer. The white lines on si. I can see the fish now but hard to see when on the lake.

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you
can change your inhance setting to make the fish easer to see

I get too much trash in it then from wat I have found do far

South65... Are you running 455kHz or 800kHz on the SI beams...??

Rickie

455. I'm talking bout the di

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Originally Posted by South65

455. I'm talking bout the di

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As the DI image is basically the SI image (just rearranged and blended) the setting for the SI beam will determine the image quality of the DI ...

While the 455kHz beam will give more total water coverage (to the surface on each side)... The 800kHz beam will give a better quality image...

Here is a quote from Greg on another forum of how the HB SI series units generate the DI image from the SI data...

The Di sonar in the HB Si units is a blend of both the left and right Si sonar:
*- take the right Si sonar and rotate it 90 degrees clockwise.
*- take the left Si sonar and flip it horizontally (mirror image) and then rotate it 90 degrees clockwise.
*- overlay the two images and you have a Di sonar image.

Experiment with 800kHz SI beam setting and notice if the images (SI and DI) aren't sharper...

Rickie

How much should I adjust the sensitivity and contrast. I think I was running 12 and 8

I have better luck turning the contrast down.the lower the setting the more that the structure and the fish will stand out.

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Originally Posted by rnvinc

As the DI image is basically the SI image (just rearranged and blended) the setting for the SI beam will determine the image quality of the DI ...

Rickie

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im not sure if this is correct.my si settings are not the same as mt di setting.as best as i can tell one does not affect the other

My si and di are also not the same. I was saying on my si. On my di it is like 14-16 and 9-11

I think that Rickie was meaning more generally that the Di sonar information is affected by what the Si sonar beams “see” and that the frequency you select for the Si sonar controls the frequency used for the Di sonar. Basically if it does not show up in the Si sonar it will not show up in the Di sonar. Now the settings you use for each are independent so you could set each such that you could see something on the Di sonar but not the Si sonar or vice-versa.

so when running the 800 the unit seems much brighter do i need to adjust down my sensitivity to make the image not so hot. im going to the lake shortly i am going to try new things and see how it works anyway. im starting to get the feel of it just not alll the way yet. a slow work in progress but i know it will pay off when i get everything figured out.

thanks
south65(short 4)

I dont get as good of results on 800.i dont think that it overlaps like the 455does

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Originally Posted by Humminbird_Greg

I think that Rickie was meaning more generally that the Di sonar information is affected by what the Si sonar beams “see” and that the frequency you select for the Si sonar controls the frequency used for the Di sonar. Basically if it does not show up in the Si sonar it will not show up in the Di sonar. Now the settings you use for each are independent so you could set each such that you could see something on the Di sonar but not the Si sonar or vice-versa.

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:ThumbsUp

Rickie

I went out today and used the 800 and had alot more success than the 455. I will post ss from my recordings I took today

I need to adjust my side imaging down a little when I got in the shallower water but I paid more attention to the di today since it was operating properly

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Originally Posted by South65

I need to adjust my side imaging down a little when I got in the shallower water but I paid more attention to the di today since it was operating properly

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SI Sensitivity is the most often used setting on my unit....

I keep the SI Enhance menu up on my SI image any time I am viewing SI....(this allows instant access to the SI Sensitivity without opening other menus that opaque out any other split screen I may be viewing along with the SI...)

As the water depth/bottom composition changes so will the brightness/darkness of the SI image....

Rickie