MoreName: image.jpg Views: 1105 Size: 66.6 KBName: image.jpg Views: 1051 Size: 76.8 KBsi. Depth is not right on DI with slanted ducer. On some of these pic DI will show fish much better than si when not in water column also if fish are near top in deep water they will show up on DI and not on si at times,