humminbird 788 sensitivity setting
buckmyster
Posted 6/20/2010 4:09 PM (#92283)
Subject: humminbird 788 sensitivity setting


Member

Posts: 39

how high should i have it set at. higher in deeper water. was at 12 when i got it. goes to 20. definetly shows more stuff when i turn it up but is it showing stuff that isn't really there. and why is it that after dark the graph is showing like a hundered fish from top to bottom everywhere. is it plakton or something that really fills the water column at dark. this is in deeper water always. jeff
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