Quantum-data 802BT Bedienungsanleitung PDF herunterladen (Seite 245)

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Video Test Generator User Guide 235

ASSC

Analog Sync Swing Calibration factor

Class System calibration settings

Description Sets the analog video calibration (or scaling) factor that's used to adjust the level set by

ASSS. Issuing the command with a single factor sets all three analog video channels to

the same value. Issuing the command with three factors sets each of the analog video

channels to each of the given values. The actual peak-to-peak swing of the analog

composite sync signals at the output connectors equals the product of ASSS multiplied by

ASSC. The ASSC? query returns the current settings of ASSC. The default factory setting

is 1.000 for this parameter.

Note: The ASSC parameter is a system level parameter that affects the analog video

swing of all formats that are recalled. The ASSC value is retained when the generator is

powered down and back up again. Query the current setting of ASSC if you are

experiencing problems with low or missing analog composite sync levels. Reinitializing the

generator's memory restores the setting to factory default values of 1.000.

Command syntax ASSC red_factor, green_factor, blue_factor

ASSC common_factor

factor

min = 0.000 (floating point accepted)

max = 1.000 (floating point accepted)

Query syntax ASSC?

Query response red_factor, green_factor, blue_factor

Example

ASSC .995 .998 1.00 // Reduce red and green sync levels

FMTU // Update hardware to current buffer contents

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 743 744

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