DFF3D ISSUE: The inconsistency between the multibeam and water column history fish target display

hillman

New member
See the screenshots below, fish school image marked with circles on multibeam sonar screen and water column history, They are the same school of fish, but why do they appear as one or two fish on the multibeam screen, but appear as many small bubbles stacked together in the water column history? Is the display logic of the water column history that one bubble represents one fish? Thanks for any reply!
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