1/9/2023 0 Comments I am fish not workingI will set my noise rejection to low and surface clarity to low. So I really don’t care what’s immediately under the surface. The fact of the matter for me is I’m not looking for individual fish in 2 feet of water. The last thing I will do is set my noise rejection and surface clarity settings. The clutter is amazing as you can see in this picture. So you can quickly get scanning again at the touch of a button but you won’t have all the noise that can be caused by two graphs pinging in the same small area. Basically it shuts down the transducers without powering down the unit. That standby option turns the back graph off without turning it off. The other thing I do as I move to the front deck to fish is reach down and punch the Power button on the console unit and click the Standby option. By stopping and starting my ping on the transducer, it locks on immediately and I can start fishing instantly without being frustrated waiting for the sonar to figure out again that it’s in the water. I don’t want my transducer pinging into outer space as I run to my next spot because the transducer sometimes has a hard time locking back onto the bottom when I drop the trolling motor at the next location. I punch the stop sonar quick key on my HDS 8. I want to be able to see those yellow-bellied bass easily on my graph.Īfter I’m getting a good picture with sensitivity and colorline, I will then make sure I’ve only got one transducer pinging at a time in my boat. Again I start by moving the colorline slider up and down until I think I am getting the clearest picture. The color line can tell you a lot about how dense something is that you’re seeing on your sonar. On my Lowrance Unit I have the option to also adjust the colorline. Different fisheries or times of the year might require different sensitivity settings. When I find that happy medium I will go with that for a while. I will go up and down and watch my screen as I do to see if I’m suddenly seeing baitfish I was missing or bass or cover or if I’m just getting a lot of noise on my screen. I start around 75% and work up from there. It’s probably set to Auto by default but you can manually set it to whatever level you want. So I just manually set it to 40 and I’m rock solid fishing in depth. Sometimes it will set it automatically to 60 feet even though I’m fishing in 30 feet. I don’t always trust my graph to give me the full picture. I want to see the bottom but I want the full screen focused on the area I’m fishing. But if I’m only concerned about bass shallower than 40 feet and I’m fishing in 25 feet of water. The graph can change up and down automatically as you change depths. The first thing I do to my sonar settings is set the range for the depth I’m fishing. So I’m all about clearing up my picture when on the water so I’m not missing anything when I’m hunting fish, whatever the species. It’s a wonder we can see anything at all on our graphs. The sonar has to receive its signal amidst a multitude of interfering objects like boat turbulence from an outboard, waves, water density, sediment stirred up, other objects in the water reflecting noise, and other units on “pinging” in the same area. In essence what you are doing when tweaking your sonar settings is trying to capture as much return on the ping as you can. There is a much louder echo or “return” on your scream. Now go stand next to the wall in your bedroom and scream at it. These “returns” are then interpreted and plotted on a digital screen. The harder the bottom or object in the cone of the ping, the more return you will get. Sonar sends a ping down to the bottom and receives the “bounce back.” The softer the bottom the less return or bounce back the transducer gets from the ping. Most anglers who fish from a boat have some sort of sonar, so we’ll start there and save the side scan and down scan tweaks for another article. Sonar is a massively cool technology, and to me side scanning and down scanning are two even cooler technologies. But they work a whole lot better if you make a few changes to your settings to get a clear picture. Luckily for anglers, the technology is so good in fishing depth finders and chart plotters today that they work really well out of the box.
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