334 Chapter 6 
Using The Status Monitoring Subsystem
The Status Byte Register
Using The Status Monitoring 
Subsystem
The Status Byte Register 
The RQS bit is read and reset by a serial poll. The same bit position (MSS) is read, 
non-destructively by the *STB? command. If you serial poll bit 6 it is read as RQS, but if 
you send *STB it reads bit 6 as MSS. For more information refer to IEEE 488.2 standards, 
section 11.