Quantum Data 802BT User Manual page 210

200 Chapter 12 Using Special Sync Output
PSHD 100 // set pulse horizontal position at 100 pixels from leading
edge of horiztonal sync pulse, in range from
PSVD 50 // set the pulse vertical position at 50 lines from leadinig
edge of vertical blanking, in range from 0<=PSVD<(VTOT-1)
ALLU // apply the settings
To set the lines on which the probe pulse occurs:
1. Send the appropriate command:
Set the probe pulse to occur
Once per frame
Once every active line
Once every line
2. Send the ALLU command to apply the setting.
0 <=
Command
PSPM 0
PSPM 1
PSPM 3
PSHD HTOT PSPW
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