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Zoom Range menu with the 40-80 foot zoom selected. Notice the win-
dow on the left zoomed 2X. The zoom range, 40-80 feet, covers a 40-foot
water segment. When zoomed in 2X, the zoom window will show 20 feet
of the water column with echoes magnified to twice their normal size.
You can select from these zoom ranges: 0-10, 7-14, 10-20, 15-30, 20-40,
30-60, 40-80, 50-100, 75-150, 100-200, 150-300, 200-400, 300-600, 400-
800, 500-1000, 750-1500, 1000-2000 and 1500-3000.
Sensitivity
Sensitivity adjusts the way echoes are displayed on the screen. If you
want to see more detail, try increasing the sensitivity, a little at a time.
When too much clutter appears on the screen, decrease sensitivity to
reduce clutter and show the strongest fish echoes, if fish are present.
As you change the sensitivity setting, you can see the difference on the
chart as it scrolls.
Sensitivity set to manual mode (left). Sensitivity scroll bar (right).
Enlarged
fish
arches