Eagle 250 df 用户手册

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