Video Test Generator User Guide 537
Other required
commands The desired sync type selected must not be set to void with the ASCT, DSCT, or DSST
commands. To actually output the selected sync signal, it must be gated on with the
appropriate ASSG, ASBG, ASGG, ASRG, CSPG, HSPG, and VSPG settings.
Example
DSST 1 // Set Amer. H&V in buffer
HSPG 1 // Enable H sync in buffer
VSPG 1 // Enable V sync in buffer
SSST 1 // Select sep H&V sync in buffer
FMTU // Update hardware to current buffer contents