Agilent Technologies 5000 Series - page 524

524 Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Reference
7Status Reporting
Hardware Event Event Register (:HWERegister[:EVENt])
This register hosts the PLL LOCKED bit (bit 12).
•The PLL LOCKED bit (bit 12) is for internal use and is not intended for
general use.