Humminbird Matrix 37 Fish Finder User Manual


 
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Noise Filter
(Advanced)
Noise Filteradjusts thesonar Noise Filter to limitinterference on thedisplay from sources
such as yourboatengine,turbulence,or other sonar devices.The Noise Filtermenuchoice
is available whenUserModeis setto Advanced(see Setup Menu Tab: User Mode).
NOTE: The Off setting removes all filtering; Low, Medium and High settings add
progressive filtering of the sonar returns. In some deep water situations, the High setting
may actually hinder your unit’s ability to find the bottom.
To change the Noise Filter setting:
1. Make sure you are in Advanced User Mode, thenhighlight Noise Filter on the
Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Noise Filter
setting. (Off, Low, Medium, High, Default = Low)
Max Depth
(Advanced)
Max Depth adjusts the maximum depth of operation. The performance of your Fishing
System can be tuned to the maximum depth you will be fishing in by setting the Max
Depth. When a maximum depth is set, your Fishing System will not attempt to acquire
sonardatabelowthat depth,thus increasing overallperformance.WhenMaxDepth isset
to Auto,the FishingSystem willacquirebottomreadings asneeded (withinthecapacity of
theunit).IfthebottomisdeeperthantheMaxDepthsetting,thedigitaldepthreadoutwill
flash, indicating that the FishingSystem 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. Make sure you are in Advanced User Mode, then highlight Max Depth on the
Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth
setting. (AUTO, 10 to 800/1000/1500 feet, 3 to 260/330/500 meters
[International Models Only], Default = AUTO)
NOTE: Settingsaredependent onthedepth capabilityof yourparticular Fishing System model.