SC-3300 DIGITAL VIDEO PROCESSOR R unco’s SC-3300 digital video processor offers two scan rate options, 2.5 times the normal NTSC horizontal scan rate (39 kHz or 800 x 600), and 3 times the NTSC rate (48 kHz or 1024 x 768) resolution. Featuring Component, S-Video, and Composite inputs, the SC-3300 is a versatile video processor with two scan rate options that allow optimization of a particular video source.