Quantum Data 881 User Manual page 916

Other required
commands
Example
538 Appendix A Command Reference
The desired sync type selected must not be set to void with the ASCT, DSCT, or
commands. To actually output the selected sync signal, it must be gated on with the
appropriate ASSG, ASBG, ASGG, ASRG, CSPG, HSPG, and
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
DSST
VSPG settings.