This standard is applicable to video level meters, video noise testers, TV non-linear distortion testers, color gain and delay testers and group delay measuring instruments in test systems for measuring PAL/D TV video transmission characteristic parameters. The main parameters tested by these instruments include video amplitude, video random clutter, differential gain, differential phase, chroma/luma gain difference, chroma/luma delay and group delay.
SJ/T 10609-1994 history
1994SJ/T 10609-1994 Specification for TV video transmission characteristic measuring instruments