Humminbird di combo 4090501 User Manual
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Noise Filter
(Advanced)
Settings: Off, Low, Medium, High 1, High 2, High 3;
Default = Low
Default = Low
Noise Filter adjusts the sonar Noise Filter to limit interference on the display
from sources such as your boat engine, turbulence, or other sonar devices.
from sources such as your boat engine, turbulence, or other sonar devices.
The Off setting removes all filtering. Low, Medium, and High 1, High 2, High 3
settings add progressive filtering of the sonar returns. High 1, High 2, and
High 3 are useful when there is excessive trolling motor noise, but in some
deep water situations, the High settings may actually hinder your unit’s ability
to find the bottom.
settings add progressive filtering of the sonar returns. High 1, High 2, and
High 3 are useful when there is excessive trolling motor noise, but in some
deep water situations, the High settings may actually hinder your unit’s ability
to find the bottom.
Depth Lines
Depth Lines
Sonar Menu Tab