The TR-11SVHS converts NTSC, PAL and SECAM video signals to NTSC and PAL (more systems can be added as optional features). A built-in TBC (time-base corrector) provides better signal synchronization. Input selection is automatic, you just have to select the system you need to output. BUIT IN *TBC* TIME BASE CORRECTOR CRISP AND CLEAR CONVERTED PICTURES HIGH RESOLUTION, 400 LINES Input Systems : NTSC 3.58, NTSC 4.43, PAL B-G-D-K-I, SECAM Output Systems : NTSC 3.58, PAL B-G-D-K-I Optional Input : PAL M, PAL N, PAL 60 Optional Output : SECAM, PAL M, PAL N, NTSC 4