Humminbird 531338-1_C - Manual (Page 37)

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Zoom Level
(2D Zoom View Only)
Zoom Level sets the magnification level for the 2D Zoom View, and is only available on the
X-Press™ Menu when you are in the 2D Zoom View. Use Zoom to increase the display
resolution to separate sonar returns that are very close together.
To adjust the Zoom Level:
1. Highlight Zoom Level on the Sonar X-Press™ Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Zoom Level setting
for the 2D Zoom View. (2x, 4x, 6x, 8x, Default = 2x)
NOTE: The Zoom Preview Box tracks the bottom and cannot be moved by the user.