The BLT SMS-4U is a 12 channels Video Server, with simultaneous recording while playback, featuring full HDTV capability and stereoscopic recording for S3DTV. Recording sources can be separated cameras (ISO-Cam use) or High Speed Cameras to perform Super Slow Motion up to x8. The extended version, 8R4P allows up to 8 cameras recording or 2 High Speed cameras. Multiple Playback channels configuration can be either multiple independent users or coupled as Program/Preview to allow live instant action editing. Thanks to its compact and limited size (5 unit rack), SMS-4U is particularly suited for live sport and news applications for Studio and OB VAN.