Start out setting your sensitivity and contrast to 10, you might find sensitivity set at 10 and contrast at 13 is easiest to start out with, set your range to 40, no more than 50, starting out. The farther the range setting the darker the outside of the screen picture. After all, double that and your seeing 80’ when setting range to 40’. Sweep speed is best at setting of 3 but you will get a more perfect picture at 2 even 1. When trolling using cranks,,,I keep the sweep speed at 3. Sometimes 4 but mostly at 3. Depending on the bottom softness or hardness and depth,,,you will have to constantly adjust sensitivity and contrast alittle. Same goes with brightness of sunlight in changing the color of the screen that best suits your vision. The more you experiment and play with your settings the more you will learn.


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