Interference Rejection; Sensitivity Menu; Gain - Standard Horizon FF520 Installation And Operation Manual

5.4

INTERFERENCE REJECTION

Turns On or Off a filter to remove noise from external devices.
5.5

SENSITIVITY MENU

All settings in the Sensitivity menu are related to the selected Fish Finder transmit frequency
(50 or 200kHz).
5.5.0

Gain

Allows you to control the Sensitivity of the unit's receiver from 0 to 99%. To see more detail, increase
the receiver Sensitivity by selecting a higher Gain percentage. If there is too much detail or if the
screen is cluttered, lowering the Sensitivity may increase the clarity of the display.
When the Gain Mode option is set to Auto, the receivers Gain cannot be changed.
When the Gain Mode option is set to Manual, the Gain can be manually adjusted. When switching
from Automatic to Manual Mode, the Gain + Offset value is copied into the Manual Gain setting of
the receiver.
FF520
Figure 5.3.2 - Example of Depth and Shift
Figure 5.4 - Interference Rejection menu
Figure 5.5 - Sensitivity menu
NOTE
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