232 Appendix A Command Reference
AVST
Analog Video Signal Type
Class Format parameter setting - Analog video signal
Description Establishes the type of signal that appears on the analog video outputs of the generator.
The AVST? query returns the current setting of AVST.
Command syntax AVST type
type
0 = none
1 = Analog Y (grayscale)
2 = Analog RGB (color)
3 = CVBS or S-Video grayscale
4 = CVBS or S-Video color
5 = Analog YPrPb (old SMPTE 240M HDTV)
6 = Analog YPrPb ITU BT.601 (ANSI/SMPTE 170M TV)
7 = Analog YPrPb SMPTE RP177 HDTV
8 = YPrPb ITU-R BT.709 HDTV
Query syntax AVST?
Query response type
Other required
commands
DVST must be set to zero when analog video is used. 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
DVST 0 // Disable digital video
AVST 2 // Select RGB component color video
ALLU // Update hardware and redraw test image
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