Author Topic: 360 setup  (Read 5679 times)

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Offline tclutts

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360 setup
« on: May 10, 2016, 11:26:37 AM »
We currently have a onix10 setup for u/w search and recovery on our PSD boat. We purchased the 360 to see if while stationary could guide the divers onto target.

So far we have not been able to get any type of readable image. Diffidently nothing like the images I see on utube or the Humminbird site.

Can someone help with providing the best setup specs to get a base point? All we dive is fresh water if that matters.


Offline Spd 135

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Re: 360 setup
« Reply #1 on: May 10, 2016, 11:53:52 AM »
I can help with this.  The most important thing to do is make sure your boat is completely stationary.  Spuds work decently in shallow water.  If the boat moves the scanning sonar does not work well.  Building a tripod for it and putting it on the bottom is your best option. 

Set your sensitivity to 20.  You can play with it from there once you have people down. 

Use the slowest setting for the most clear image.

It helps to be able to make "Front" the front.  But sometimes you cannot.  It doesn't matter because you can work it from where you see your divers. 

Your divers and "waders" in shallow water will look like dots. 

Have them move and stop.  When the screen refreshes on each pass you move them accordingly until they reach the target.

You can use your 4 way cursor to determine how far the object is from the transducer and also an azimuth, or compass direction.

When you have a target, in sight, it helps to have a 6 gallon milk crate with a 20 lb weight, or a crab trap to set near the target.  It can be moved until you are on target.  This can save diver time under water.  On the marker place a buoy with the line going through the attachment point and a counter weight (5lbs).  This allows the marker to stay on the bottom as the buoy will rise and fall without disturbing the marker.

I am attaching some images of divers and waders moving toward a target.  I am also going to attach my tripod.  I had 140' of cable added by Outland Technology (ROV manufacturer).  I have had my 360 at 135' in Kentucky.  I will also add an image which will show 3 trees.  That is from this deep drop.  I will attach in the next post

I hope this helps.  Mark Michaud   

https://www.facebook.com/Southeast-Louisiana-Underwater-Search-and-Recovery-1438568169746982/

 

Offline Spd 135

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Re: 360 setup
« Reply #2 on: May 10, 2016, 11:56:42 AM »


ila_rendered

Marker and buoy on target
« Last Edit: May 10, 2016, 12:11:26 PM by Spd 135 »

Offline Spd 135

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Re: 360 setup
« Reply #3 on: May 10, 2016, 12:00:11 PM »


Stand of oaks (135' drop) in Laurel Lk Ky
« Last Edit: May 10, 2016, 12:10:39 PM by Spd 135 »

Offline Spd 135

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Re: 360 setup
« Reply #4 on: May 10, 2016, 12:00:59 PM »


Large pine tree in Laurel Lk Ky
« Last Edit: May 10, 2016, 12:09:42 PM by Spd 135 »

Offline Spd 135

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Re: 360 setup
« Reply #5 on: May 10, 2016, 12:01:43 PM »
Underwater forest in Laurel Lake Ky
« Last Edit: May 10, 2016, 12:09:00 PM by Spd 135 »

Offline Spd 135

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Re: 360 setup
« Reply #6 on: May 10, 2016, 12:05:56 PM »
Marker (crate) and buoy next to target

Offline Spd 135

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Re: 360 setup
« Reply #7 on: May 10, 2016, 12:07:14 PM »
 
A friend of mine acting as a target next to a public park and sheet piling
« Last Edit: May 10, 2016, 12:13:39 PM by Spd 135 »

Offline Spd 135

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Re: 360 setup
« Reply #8 on: May 10, 2016, 12:12:40 PM »


Divers / waders walking to a target

Offline tclutts

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Re: 360 setup
« Reply #9 on: May 10, 2016, 12:14:33 PM »
How about the other settings other than sensitivity? I'd like to build that tripod setup you have, but we have the transom mount system.

Anything I should do to the onix to make best picture?

What depth are they even good to while they are on the boat? I feel we may have made the wrong choice for our application. Your tripod simulates what you'd find with the hammerhead but much lower costs.


Offline Spd 135

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Re: 360 setup
« Reply #10 on: May 10, 2016, 12:32:44 PM »
Once I am set I adjust the sensitivity (if necessary)  and the range.  Sometimes I go into enhance and make adjustments.  Mostly it is not being in a hurry and finding your best image per usage.  Scanning sonar does not usually provide an image like sidescan does unless you move to the Konsberg Mesotech.  The biggest thing is to put divers in the water and practice on them.  I was fortunate enough to get this image from my divers in Ky when they swam across the beam.

Offline tclutts

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Re: 360 setup
« Reply #11 on: May 10, 2016, 12:35:44 PM »
the first photo of yours I can read and its clear, the second image i found on the net. None of our images even come close to this clarity. Am I just missing something?

Offline Spd 135

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Re: 360 setup
« Reply #12 on: May 10, 2016, 12:45:12 PM »
email me a few images.  We Pm'd at the same time. diverecoveries at charter dot net


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