Agilent Technologies Infiniium 8000A Programmer's Reference Manual page 243

Table 11-5 Status Byte Register Bits
Bit Bit Weight Bit Name
7 128 OPER
6 64 RQS/MSS
5 32 ESB
4 16 MAV
3 8 ---
2 4 MSG
1 2 USR
0 1 TRG
0 = False = Low
Condition
0 = no enabled operation status conditions have occurred
1 = an enabled operation status condition has occurred
0 = oscilloscope has no reason for service
1 = oscilloscope is requesting service
0 = no event status conditions have occurred
1 = an enabled event status condition has occurred
0 = no output messages are ready
1 = an output message is ready
0 = not used
0 = no message has been displayed
1 = message has been displayed
0 = no enabled user event conditions have occurred
1 = an enabled user event condition has occurred
0 = no trigger has occurred
1 = a trigger occurred
1 = True = High
Common Commands
*STB? (Status Byte)
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