Keysight Technologies InfiniiVision 3000T X Series - Clearing Registers and Queues

1262 Keysight InfiniiVision 3000T X-Series Oscilloscopes Programmer's Guide
39 Status Reporting
Clearing Registers and Queues
The *CLS common command clears all event registers and all queues except the
output queue. If *CLS is sent immediately after a program message terminator, the
output queue is also cleared.