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These figures show results of different sensitivity levels on the same
location. Fig. 1: Sensitivity at 85 percent, determined by Auto Sensitiv-
ity. Typical of full auto mode. Fig. 2: Sensitivity set at 71 percent. Fig.
3: Sensitivity set at 47 percent. Fig. 4: Sensitivity set at 90 percent.
Grayline
®
Grayline
lets you distinguish between strong and weak echoes. It al-
lows you to tell the difference between a hard and soft bottom. For ex-
ample, a soft, muddy or weedy bottom returns a weaker signal which is
shown with a narrow line or no gray line at all. A hard surface returns
a strong signal, which will be displayed as a wide gray line.
Fig. 3 Fig. 4
Bait
school
Fish
arches
Fig. 1
Fig. 2