Gain Mode; Auto Mode; Manual Mode; Range Menu - Standard Horizon CPF390i Owner's Manual

17.7

GAIN MODE

17.7.0 Auto Mode

Allows the Fish Finder to automatically adjust receiver Gain depending on water depth.

17.7.1 Manual Mode

Allows the user to change the Gain manually to fine tune the Fish Finder's receiver.
17.8

RANGE MENU

17.8.0 Range Mode

Selects among Manual, Auto Range and Bottom Lock.
17.8.0.0 Manual Mode
Used to set the depth Range (from the surface) the Fish Finder display will show.
17.8.0.1

Auto Range

The Fish Finder determines automatically the Range as to keep the bottom visible in the
lower bottom of the screen. In this mode, Shift is always set to 0.
17.8.0.2

Bottom Lock

The Bottom Lock function keeps the screen display locked onto a certain Range around the
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Figure 17.7 - Gain Mode menu
Figure 17.8 - Range menu
CP390i and CPF390i