Quantum Data 881 User Manual page 692

DVSP
Class
Description
Command syntax
Query syntax
Query response
Other required
commands
Example
314 Appendix A Command Reference
Digital Video Signal Polarity
Format parameter setting - Digital video signal
Establishes the logic sense of the digital video outputs. The DVSP? query returns the
current setting of DVSP.
DVSP polarity
polarity
0 = active-low (negative going video)
1 = active-high (positive going video)
DVSP?
polarity
To use the digital video outputs, digital video must be enabled with the
The FMTU command instructs the generator to use the new setting. The
updates hardware to the new setting and redraws the test image.
AVST 0 // Deselect analog video in buffer
DVST 5 // Select 3 bit color in buffer
DVSP 1 // Select active high video in buffer
FMTU // Update hardware to current buffer contents
DVSS 1.25 // set digital video swing to 1.25 volts on HDMI output 1
ALLU
DVST command.
ALLU command