Agilent Technologies InfiniiVision 4000 X-Series Programmer's Manual page 182

5
Common (*) Commands
*STB (Read Status Byte)
Query Syntax
*STB?
The *STB? query returns the current value of the instrument's status byte.
The MSS (Master Summary Status) bit is reported on bit 6 instead of the
RQS (request service) bit. The MSS indicates whether or not the device
has at least one reason for requesting service.
Return Format
<value><NL>
<value> ::= 0,..,255; an integer in NR1 format
182
(see page 1208)
Agilent InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide