http://i826.photobucket.com/albums/z...012/S00351.pnghttp://i826.photobucket.com/albums/z...012/S00352.png which is the better view:biggrin
Printable View
http://i826.photobucket.com/albums/z...012/S00351.pnghttp://i826.photobucket.com/albums/z...012/S00352.png which is the better view:biggrin
I find it very interesting that in the first few years of SI there was a frequent reoccurance of people wanting to be able to "turn off the dark water column"...
Then, after HB finally released a software update to "turn off the dark water column" the Internet chatter was like....nill...nada...nothing....
I wonder if people realized that the water column gives more information than they we're willing to give up...just to see the bottom in 1 big unbroken image...:dono
Rickie
I would have to agree with RNVINC, I thought I wanted the water column turned off, until I had the capability and then realized how much I had came to rely on that info.
It would have been interesting to see how well those baitfish at bottom of right side in water column would have showed up on second pic, either way ,i like water column
According to the pros, it's all about finding fish, so losing the water column on contour "mold" defeats the purpose.
Contour "mold" might be useful if you were makin somekind of map....I never use it....
And...Sometimes I set the side image range real narrow to get that water column real wide on the screen...
Okay cut me a little slack cause this is all pretty new to me. But, just comparing the two pics above, what did you lose by eliminating the water column ? Personally, as a newbie to the technology, I like the lower pic with the bottom unbroken, and I don't see how seeing the water column benefits you... Atleast in this particular example. Thanks, and like I said, take it easy on me !! Ha !!
"Contour Mode" on is a great tool for helping in bottom interpretation ...but not so much for when looking for baitfish and suspended fish..Quote:
Originally Posted by arrookie
Baitfish and suspended fish are easy to decipher in the "dark water column"....because the white "echoes" stand out against the dark background...
These baitfish and suspended fish can be deciphered out farther into the SI image but they tend to "blend" in with the colored Pallete color chosen...making them harder to pick out...
Rickie
What Rickie said, plus sometimes you can make them stand out better by adjustments to the color palette, sharpness, contrast and/or sensitivity.
Okay to ask this next question I have to make an assumption here: The assumption I am going to make is that in the above pic that shows the water column, I am going to assume that the specks that appear in the left hand side of water column are fish of some type. Either bait fish or game fish, but fish.
So if that assumption is correct. Can you guys that know what you're looking at see those same fish in the image below that does not include the water column ? Because I cannot, but it may be because I don't know what I am looking for to know whether I see them or not. Also, in the picture above with the water column, Genec referenced the school of baitfish in the lower right hand corner. I can see that school in the top pic with the water column. But, I cannot see them in the lower pic ? Are you guys able to see them in the lower pic ?
Just out of curiosity, is this an image of an old railroad ? Is that an old bridge structure of sometype on the right in the image ?
Sorry if all this seems elementary to you, but yet I am having a hard time with it. Like I said, this is all new to me, but I will have units capable of this in about 60 days, so I am trying to learn all I can until then !!
Thanks !!
The fish seen in the water column area of the first image will not be shown in the second image because that distance from the transducer is not shown in the second image.
Sonar can only show how far away some object is that the sonar bounced (reflected) back off of. In the first image it looks like the bottom was from about 18 to a little over 20 feet deep (I’m guesstimating here), so when the Contour Mode was turned on it eliminates the water column which also eliminates all of the sonar readings from that same distance (about 18 to 20 feet depending on where in the image you are talking about). This means that any object that reflected sonar that are also within that same distance from the transducer will also be eliminated from being shown on the displayed sonar.
Kosmo,
Did you make two passes on this same structure or were these images taken from a Sonar Recording? I ask because the baitfish school that arrookie was asking about would have already scrolled off of the display when you made the second image.
Kosmo,
Did you make two passes on this same structure or were these images taken from a Sonar Recording? I ask because the baitfish school that arrookie was asking about would have already scrolled off of the display when you made the second image.[/QUOTE] the bait fish that your referring to are not shown because the second picture is a little farther along than the first picture. they wouldnt have been in the second picture either way, contour on or off.