Anritsu MG3641A - Manual (Page 126)

SECTION 6 GPIB
6-20
6.5 Status Message
The status byte (STB) sent to the controller is based on the IEEE488.1 standard. Its bits, regarded as a status summary
message, outlines the current contents of the data stored in the register and queue.
This section explains the status summary message bits, status data structure for generating them, and synchronization
between the MG3641A/MG3642A using the status message and controller.
6.5.1 Status register configuration
The figure below shows the entire configuration of the MG3641A/MG3642A status register. The detail is explained
for each paragraph.