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Noise Filter
(Advanced)
Noise Filter adjusts the sonar Noise Filter to limit interference on the display from
sources suchasyour boatengine, turbulence, orothersonar devices.The NoiseFilter
menu choice is available when User Mode is set to Advanced (see Setup Menu Tab:
User Mode).
NOTE: The Off setting removes all filtering; Low, Medium and High settings add
progressive filtering ofthe sonar returns. Insome deepwater situations, theHigh setting
may actually hinderyour unit’s ability to findthe bottom.
To change the Noise Filter setting:
1. Makesure youare inAdvanced UserMode,then highlightNoise Filter onthe
Sonar main menu.
2. Use the LEFT or RIGHT4-WAY CursorControl keys tochange the Noise Filter
setting. (Off, Low, Medium, High1, High2, High3, Default = Low)
Max Depth
(Advanced)
Max Depth adjusts the maximum depth of operation. The performance of your
Fishing Systemcan betuned to themaximum depthyou will befishing inby setting
the Max Depth. When a maximum depth is set, your Fishing System will not
attempt to acquire sonar data below that depth, thus increasing overall
performance. When Max Depth is set to Auto, the Fishing System will acquire
bottom readings as needed(within the capacity ofthe unit). If the bottomis deeper
than the Max Depth setting, the digital depth readout will flash, indicating that the
Fishing System cannot locate the bottom. The Max Depth menu choice is available
when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
To change the Max Depth setting:
1. Makesure youare inAdvanced UserMode, thenhighlight MaxDepth onthe
Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth
setting. (AUTO,10 to 1000feet, 3to 330 meters[International Models Only],
Default = AUTO)