Quantum Data 802BT User Manual page 559

PNSF 1 //Pseudo-random noise signal format set to MEASURED
Example
PNST 1 //Pseudo-random noise signal type set to QDI-BCM
TMAU //Measure external signal's timing format parameters
HTOT? //Read external signal's total number of horizontal pixels
800
HRES? //Read external signal's total number of active horizotan pixels
640
Video Test Generator User Guide 549