The video was cool but the old fashioned sonar still mystifies me. Nothing on mine ever looks like what they show in videos and pictures. Remember before I posted a bunch of pics of my screen and got more confused than ever by the answers?
Don, think of it as a piece of paper. Fold it down the line in the middle. Then fold it out where the color starts, like the wings on a paper airplane.
Don, DCNR has maps for some lakes. Here is the one for Memorial
https://elibrary.dcnr.pa.gov/GetDocument?docId=1742426&DocName=MELA_LakeDepth_Color.pdf
Here is the one for Memorial from PFBC. You can see how different they are from the DCNR maps...
Yeah, I know. You use them with a vertical motion in the ocean. Deep water. An A rig is pulled horizontally in fresh water, more shallow. So are you jigging them up and down or pulling them toward you?