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Chapter 3 Programming Your Universal Counter for Remote Operation
Elements of SCPI Commands
Programming Guide 3-21
Status Byte Register and Service Request Enable Register
Figure 3-7. Status Byte and Service Request Enable
Status Byte Register
The Status Byte Register is the summary-level register in the status reporting
structure. It contains summary bits that monitor activity in the other status
registers and queues as shown in Figure 3-7.
The Status Byte Register is a live register—its summary bits are set TRUE or
FALSE (one or zero) by the presence or absence of the condition which is being
summarized.
The Status Byte Register can be read with either a serial poll or the *STB? query.
The Status Byte Register is altered only when the state of the overlying status data
structures is altered.
The entire Status Byte Register can be cleared by sending the *CLS command, by
itself in a program message, to the Counter.
Table 3-4 lists the Status Byte Register bits and briefly describes each bit.