Edited sentence: Even field.Image:Interlacezoom.Image:Progressive scan odd.Image:Progressive_scan_even_fields-Vollbildverfahren_gerade_Zeilen.Interlace scan.Interlaced scanned images use techniques designed for CRT (Cathode Ray Tube) Television display screens, comprising of 576 visible horizontal lines across a standard TV screen.Interlacing distribute them into odd and even sets of lines and then alternately refreshes them at 30 frames per second.Odd field