Eagle Electronics SeaChamp 2000 - Manual (Page 91)

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The surface clarity control reduces or eliminates surface clutter signals
from the display. It does this by changing the sensitivity of the receiver,
decreasing it near the surface and gradually increasing it as the depth
increases.
There are three levels of surface clarity available: low, medium or high.
It can also be turned off. The default level is off.
To adjust the Surface Clarity level:
1. From the Sonar Page, press MENU |
↓ to
S
ONAR
F
EATURES
| ENT .
Sonar Features menu with Surface Clarity selected.
2. Press → to S
URFACE
C
LARITY
| ENT.
3. Press
↓
or
↑
to select the clarity level, then press EXIT | EXIT | EXIT .
In the illustration on the left, Surface Clarity is turned off.
The view on the right shows Surface Clarity set on high.
Zoom & Zoom Bar
"Zooming in" is a common, fast and easy method to enlarge small detail
like fish signals and bottom structure. This unit lets you zoom in
quickly and easily by pressing the
ZIN key.
Surface clutter