Video Test Generator User Guide

378 Appendix A Command Reference
HVSA
Horizontal Vertical Sync Adjustment
Class Format parameter setting - Synchronization
Description Lengthens the serration period a given number of pixels from the format’s nominal default
value as required by certain military STANAG video formats. The HVSA? query returns the
current setting of HVSA.
Command syntax HVSA pixels
pixels
integer, 0 and less than HSPW
Query syntax HVSA?
Query response pixels
Other required
commands
The FMTU command instructs the generator to use the new settings. The ALLU command
updates the hardware to the new settings and redraws the test image.
Example
HVSA 30;
ALLU