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2.10 Automatic gain offset
In automatic operation, seabed is automatically adjusted as reddish-brown color. You can
modify offset value to set the sensitivity up or down in automatic gain. Clutter function
operate automatically to eliminate small echo by dirt seawater and plankton. This allow good
picture to identify.
Setting for auto gain offset of low frequency
select [display]
[auto gain offset(L)]
select desired value
Setting for auto gain offset of high frequency
select [display]
[auto gain offset(H)]
select desired value
