For Gain and Gain Offset settings refer to Sensitivity menu (see Par. 17.11).
For Range and Shift settings refer to Range menu (see Par. 17.9).
17.7
FREQUENCY
Allows you to choose the frequency among Auto, 50kHz, 200kHz or 50&200kHz when
single frequency page is selected.
17.8
GAIN MODE
17.8.0 Auto Mode
Allows the Fish Finder to automatically adjust receiver Gain depending on water depth.
17.8.1 Manual Mode
Allows the user to change the Gain manually to fine tune the Fish Finder's receiver.
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NOTE
Figure 17.7 - Frequency menu
Figure 17.8 - Gain Mode menu
CPF180i and CPF300i