2D Sonar is one of the most widely used features on the Humminbird Helix. Understanding and optimizing its settings can greatly enhance your ability to find and catch fish.
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Sensitivity: Adjusting the sensitivity allows you to control the amount of detail shown on the screen. Higher sensitivity picks up more details, such as baitfish, but can also add clutter. Start with a medium setting and adjust as needed based on water conditions.
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Contrast: Contrast changes the differences between the light and dark areas of the screen. A higher contrast will make stronger returns more prominent, which is useful for identifying fish and structure.
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Color Palette: Choose a color palette that provides the best contrast for your fishing environment. For example, red might indicate harder returns, like fish or hard bottom, while blue represents softer returns.
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Chart Speed: This setting controls how fast the sonar image moves across the screen. A setting of 5-6 is generally ideal for most situations, but you can increase it if you’re moving faster or need to spread out the sonar returns.
By fine-tuning these settings, you can customize your 2D Sonar view to suit your specific fishing conditions, improving your ability to locate and identify fish. Make sure to checkout Fishfinder Coach to get all the best settings for your fishfinder.