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SI weak return on right side when set at high range

While out Saturday I was wanting to scan a large area and set my range to 360. I immediately noticed a problem on the right side display.. It seems it's not displaying a bottom image the full width of the range (see snapshot). I rarely run the range that high and it seems to work fine at much lower range settings, so any idea as to the possible problem? Also any ideas about the horizontal bars on the screen, first time I've ever noticed that.
"FISHUNTR"- 2012 20' Pathfinder, Yamaha F150, HDS gen 3 9T


  • Joby@Humminbird[email protected] Posts: 20 Greenhorn
    Would you try it again with the Blue Back Ground then I can tell a little more about what is going on.
  • FISHHUNTRFISHHUNTR Posts: 1,286 Officer
    will do next time i'm out
    "FISHUNTR"- 2012 20' Pathfinder, Yamaha F150, HDS gen 3 9T
  • FISHHUNTRFISHHUNTR Posts: 1,286 Officer
    Sorry it took so long to get back, but had'nt been out until today. As you can see it did not fix the problem, and now there seems to be a "haze" of interference on the left side mainly, but it also seems to be present on the right in the one snapshot though not as much. The weak signal on the right and haze seem to be worse in deeper water?? To be sure I had no interference or blockage I trimmed up the motor and tabs, even shut the motor off and other electronics to see is any electrical issues were causing the haze, but it made no difference. Any ideas?
    "FISHUNTR"- 2012 20' Pathfinder, Yamaha F150, HDS gen 3 9T
  • BaitMasterBaitMaster Posts: 13 Deckhand
    Where is your outboard (sorry if it is an inboard) located in relation to your transducer?
  • FISHHUNTRFISHHUNTR Posts: 1,286 Officer
    Left side
    "FISHUNTR"- 2012 20' Pathfinder, Yamaha F150, HDS gen 3 9T
  • CaptTaterCaptTater Posts: 20,096 AG
    You are tilted a little bit or have something in the way. Where mine is mounted now I can't get it 100% level so I get the weak return on side as it's not angled down enough. To test the angle the easiest thing to do is move to the side with the weak return and see if it clears up as the boat leans. It only takes a few degrees.
    I did not read the story but if you take tax payers money maybe you should be held to some standards.-Cyclist
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