Name: Humminbird HELIX 7 SERIES
Brand: Humminbird
Rating: 5 (1 reviews)

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Sonar X-Press Menu

Bottom Lock

(Sonar Zoom View only)

Settings: Off, On; Default = Off

Bottom Lock changes the mode of the zoomed view in the Sonar Zoom View. Bottom Lock

continuously graphs the bottom at a constant point on the display regardless of changes in depth.

This “flattens“ out the bottom contour but is effective at showing fish on or near the bottom.

Bottom Range

(Sonar Zoom View only, when Bottom Lock is On)

Settings: 10 to 60 feet, 2 to 10 fathoms, or 3 to 20 meters [International

Models only]; Default = 15 feet

Bottom Range allows you to control how much of the water column, measured up from the

bottom, is shown in the Sonar Zoom View. Choose a small value to see low-lying bottom structure

or details of the bottom return. Choose a larger value to see large structure in deeper water.

NOTE: It is possible to set the Bottom Range to be greater than the depth. In this case, you may see

surface clutter in a wavy band that mirrors changes in the depth.

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