Quantum Data 881, User Manual

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882 Video Test Instrument User Guide (Rev A.35) 499
PSVW
Probe Sync Pulse Vertical Width
Class Special Sync Probe Pulse
Description Sets the width in lines of the probe pulse on the special sync output. The PSVW? query
returns the current PSVW value. To enable the setting of the pulse in number of lines you
must specify custom for probe pulse mode (PSPM=4), the probe pulse horizontal delay to
0 (PSHD=0) and the horizontal pulse width (HSPW) to HTOT -1.
Command syntax PSVW width
width integer
1 line to (VTOT - 1))
Query syntax PSVW?
Query response width
Other required
commands
The FMTU command instructs the generator to use the new settings. The ALLU command
updates the hardware to the new settings and redraws the test image.
Related commands PSPG , PSPP , PSHD , PSVW , PSPM , PSPW
Example
PSPG 1 // Enables probe pulse on special sync
PSPP 1 // Sets probe pulse polarity to positive
PSPM 4 // set pulse to custom to enable vertical length in lines
PSHD 0 // set horizontal pulse delay to 0
PSPW 639 // set horizontal pulse delay to HTOT-1
PSVW 100 // Sets probe pulse vertical width to 100 lines
ALLU // Applies the settings