Humminbird Matrix 97 - Manual (Page 38)

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Sensitivity
Sensitivity controls how much detail is shown on the display.
Increasing the sensitivity shows more sonar returns from small baitfish and suspended debris in the
water; however, the display may become too cluttered. When operating in very clear water or greater
depths, increased sensitivity shows weaker returns that may be of interest. Decreasing the sensitivity
eliminates the clutter from the display that is sometimes present in murky or muddy water. If
Sensitivity is adjusted too low, the display may not show many sonar returns that could be fish.
To adjust the Sensitivity:
1. Highlight Sensitivity on the Sonar X-Press TM
menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to increase or decrease the Sensitivity
setting. (Low = 1, High = 20, Default = 10)
Sensitivity at Low
Sensitivity at Medium
Sensitivity at High