Avst, Avst analog video signal type – Quantum Data 802BT User Manual
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Video Test Generator User Guide
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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 YCrCb 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
must be set to zero when analog video is used. The
command instructs the
generator to use the new setting. The
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