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Sonar Features menu with Surface Clarity selected.
2. Press ↑ or ↓ to select clarity level|EXIT|EXIT|EXIT.
Upper and Lower Limits
See the entry in this section for Depth Range - Upper and Lower Limits
Zoom & Zoom Bar
"Zooming" the display is used to enlarge small detail, fish signals and
the bottom with its associated structure.
The 2X zoom doubles the size of all echoes on the screen. The 4X zoom
quadruples the size of the echoes. You can also turn on a zoom bar on
the far right side of the screen; this shows which echoes will be dis-
played on the screen when the Zoom commands are used.
For example, turning on the 2X zoom will show all echoes that are be-
tween the top and bottom of the 2X zoom bar. The 4X zoom will show
only the echoes between the top and bottom of the 4X zoom bar.
To switch the zoom:
1. Press
ZIN to increase the zoom display to 2X. Press ZIN again for a 4X
zoom.
2. Press
ZOUT to reduce the zoom and show more of the chart.
To turn on the Zoom Bar:
1. Press
MENU|↓ to SONAR FEATURES|ENT.
2. The Sonar Features menu appears. Press ↓ to
ZOOM
BAR|ENT|EXIT|EXIT.
3. To turn off the Zoom Bar, repeat steps 1 and 2.