474 Appendix A Command Reference
Class Signal Analyzer - Pseudo-random noise
Description Loads the hardware required to generate the pseudo noise and measures all the related
required parameters.
Command syntax PNAU
Example
PNSF 0 //Pseudo-random noise signal format set to CURRENT (internal)
PNST 1 //Pseudo-random noise signal type set to QDI-BCM
PNSA 1 //Pseudo-random noise signal advance set to ACTIVE PIXELS
PNSM 0 //Pseudo-random noise signal mode set to AUTO
PNSP 0 //Pseudo-random noise signal procedure set to CONTINUOUS
PNAU //Pseudo-random noise generated
CR //Stop pseudo-random noise
GPER? //Returns the pixel error rate (in errors per billion)
0.88
GNPT? //Returns the number of pixels measured (in billions)
4.255
GCET? //Returns the total number of errors detected on the red, green,
and blue components along with the total number of bad pixels
0,21,0,21
GFED? //Returns data related to any error (first error only)
40018C,FFFFFF
Related commands GPER?, GNPT?, GCET?, GFED?