Humminbird 141c - Manual (Page 34)

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Bottom View
Bottom View selects the method used to represent
bottom and structure on the display. Structure ID® represents weak returns in blue and
strong returns in red. WhiteLine® highlights the strongest sonar returns in white
resulting in a distinctive outline. This has the benefit of clearly defining the bottom on
the display (See Bottom Presentation for more information).
To adjust the Bottom View:
1. Highlight Bottom View on the Sonar menu.
2. Use the LEFT or RIGHT 4-Way Cursor Control keys to change the Bottom View
setting. (Structure ID, WhiteLine, Default = Structure ID)
Zoom Width
Zoom Width adjusts the width of the Zoom window on
the Sonar Zoom View.
To change the Zoom Width Setting:
1. Highlight Zoom Width on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Zoom Width
setting. (Narrow, Medium, Wide, Default = Wide)