Quantum Data 881 User Manual page 949

VSPG
Class
Description
Command syntax
Query syntax
Query response
Other required
commands
Example
882 Video Test Instrument User Guide (Rev A.35)
Vertical Sync Pulse Gate
Format parameter setting - Synchronization
Enables and disables the digital vertical sync output. The VSPG? query returns the
current mode of VSPG.
VSPG mode
mode
0 = OFF
1 = ON
VSPG?
0 or 1
To use digital vertical sync, digital separate H and V sync must be selected with the
command. The FMTU command instructs the generator to use the new setting. The
command updates hardware to the new setting and redraws the test image.
VSPG 1 // Enable V sync output in buffer
FMTU // Update hardware to current buffer contents
SSST
ALLU
571