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1. OPERATION
1-32
1.25
How to Erase Weak Echoes
Sediment in the water or reflections from plankton may be painted on the display in
low intensity tones, as shown in the figure below. You can remove these unwanted
echoes with the color erase feature.
1. Click the [Advanced Settings] icon (
) from the InstantAccess bar™, then click
the [Advanced Settings] icon (
) to show the [Advanced Settings] window.
2. The [Sounder] menu item is already selected and the [Sounder] menu appears on
the right-side of the window. Click [Color Erase] from the [Sounder] menu.
3. Adjust the [Color Erase] setting until the picture shows minimal reflections. As the
setting increases, reflections are removed in order, from weakest to strongest.
4. Click [Apply] to save the current changes and keep your place in the menu win-
dow.
Click [OK] to save the current changes and close the menu window.
Click [Cancel] to abort all changes and close the menu window.
Weak echoes
FSS-3BB [ 025470-xx.xx]
Содержание FSS-3BB
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