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6-94 Chapter 6: Programming
Model 801GC, 801GF & 801GX¥Rev. A
AVCS Analog Video Color subcarrier Selection
Classification: Format parameter setting
Command Syntax: AVCS <type>
Limits: <type> Subcarrier frequency:
0 = No subcarrier
1 = NTSC-M 3.579545 MHz (American)
2 = NTSC-443 4.43361875 MHz (PAL frequency
with NTSC timing used by some
conversion systems)
3 = PAL-BDGHI 4.43361875 MHz (European)
4 = PAL-N 3.58205625 MHz (Argentinian)
Query Syntax: AVCS?
Query Response: <type>
Description: The AVCS command sets the color subcarrier type used for the
television outputs on generator models that have television
outputs available. The AVCS? query returns the current setting
of AVCS.
Note – At the time of this manual’s writing, only the model
801GX stand alone generator has video with subcarrier
capabilities.
Other Required Cmds: 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: AVCS 1 // Select standard American NTSC
// encoding
FMTU // Update hardware to current
// buffer contents