You have to use a Sensitivity setting low enough so the bottom is dark enough that the light fish returns are not blended into the bottom. Same as you would do with Side Imaging. 360 is Side Imaging that rotates.
Fish at 1:00 and 9:00 in this screen shot:
Baitfish and bass at 10:00 to 11:00 in this screen shot on both sides of the scan line.