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In the illustration on the left, Surface Clarity is turned off.
The view on the right shows Surface Clarity set on high.
Upper and Lower Limits
See the entry in this section for Depth Range - Upper and Lower Limits
Zoom & Zoom Bar
"Zooming in" is a fast and easy method used to enlarge small detail,
fish signals and the bottom with its associated structure. This unit lets
you zoom in quickly and easily by pressing the Zoom In key,
ZIN.
Pressing
ZIN once doubles the size (2X) of all echoes on the screen.
Pressing it again quadruples the size of the echoes (4X). The zoom bar
on the far right side of the screen shows which echoes will be displayed
on the screen when the
ZIN key is pressed.
For example, pressing the
ZIN key once will enable a 2X zoom that will
show all echoes that are between the top and bottom of the 2X-zoom
bar. Pressing the key again will give a 4X zoom and only the echoes
between the top and bottom of the 4X bar will show on the screen.
Press the Zoom Out key,
ZOUT, to return the display to the normal mode.
Sonar page zoomed 2X (left). The same view zoomed 4X (right).
Surface clutter