Video Test Generator User Guide 565
VSPG Vertical Sync Pulse Gate
Class Format parameter setting - Synchronization
Description Enables and disables the digital vertical sync output. The VSPG? query returns the
current mode of VSPG.
Command syntax VSPG mode
mode
0 = OFF
1 = ON
Query syntax VSPG?
Query response 0 or 1
Other required
commands To use digital vertical sync, digital separate H and V sync must be selected with the SSST
command. The FMTU command instructs the generator to use the new setting. The ALLU
command updates hardware to the new setting and redraws the test image.
Example
VSPG 1 // Enable V sync output in buffer
FMTU // Update hardware to current buffer contents