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Adjusting a Furuno 582L

Old 10-23-2011, 08:33 AM
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Default Adjusting a Furuno 582L

I know I'm not getting all I can out of my sounder. It reads bottom fine to about 1200 feet and while on plane but I know it isn't showing the detail in between that I want.

I am specifically interested in the procedure for removing the light colors from the color scale. If I turn up the gain to five or greater, I get alot of light blue and light green clutter on the screen. How can I remove these individual colors from the spectrum so I just see the stronger returns.

I use this procedure for the initial setup but it just gets the basics going:
  • First remove any filters that might be applied to your sounder. There can be noise filters or clutter filters depending on your unit. In my case with the Furuno I turned off the clutter filter in the setup mode under settings.

  • Next you want your sounder in manual mode so you can make some adjustments.
  • If you are fishing in 30ft of water adjust your range or depth setting to a little more than double the depth you are in . Since we are in 30ft I would adjust my range to 70-80 ft.
  • Adjust your gain to zero then increase your gain untill you get a double bottom or a double echo on the screen. the second bottom echo should be at 60ft if you are in 30ft of water.
I think there are 16 different colors on this unit. Can anyone tell me how to remove the lighter shades from the screen?

Thanks
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