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You can change the sensitivity level whether you are in Auto Sensitivity
mode or Manual Sensitivity mode. The adjustment method works the
same in both modes, but provides slightly different results.
To adjust sensitivity in Auto Mode:
Repeatedly press
MENU until the SENSITIVITY menu appears. Make sure sen-
sitivity is set to Auto, then press
MENU UP to access the sensitivity
scroll bar. Press
↑ to increase the sensitivity, ↓ to decrease it. When it is set
at the desired level, press
PWR to clear the menu. If you reach the maxi-
mum or minimum sensitivity level, a tone will sound.
To adjust sensitivity in Manual Mode:
If you want to change the sensitivity in Manual Mode, repeatedly press
MENU until the SENSITIVITY menu appears. Press ↓ to select MANUAL, then
press
MENU UP to access the sensitivity scroll bar. Press ↑ to increase sen-
sitivity,
↓ to decrease it. When it is set at the desired level, press PWR to
clear the menu.
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.
Fig. 3 Fig. 4
Bait
school
Fish
arches
Fig. 1
Fig. 2