... 2 4 to 4 IRD module design 3 4 inputs, 4 loops through output 4 in 1 FTA IRDOutline NDS3931 4 to 4 (4 in ... with separate set of (2 ×CVBS, 1 ×Audio L, 1 ×Audio R) and dual (mirrored) ASI. This modularized ... switching PAL/NTSC Auto-saving the latest channel 4 to 4 IRD module design, more compact in structure Standard ... 2, 2/3, 3/4, 5/6, 7/8QPSKVideo OUT4×CVBS (RCA interface)Audio OUT4×Audio (L/R)ASI OUT4× ...