Common (*) Commands 5
Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 217
Query Syntax *SRE?
The *SRE? query returns the current value of the Service Request Enable Register.
Return Format
<mask><NL>
<mask> ::= sum of all bits that are set, 0,..,255;
an integer in NR1 format
See Also • "Introduction to Common (*) Commands" on page 200
• "*STB (Read Status Byte)" on page 218
• "*CLS (Clear Status)" on page 201
Table 77 Service Request Enable Register (SRE)
Bit Name Description When Set (1 = High = True), Enables:
7 OPER Operation Status Register Interrupts when enabled conditions in the
Operation Status Register (OPER) occur.
6 --- --- (Not used.)
5 ESB Event Status Bit Interrupts when enabled conditions in the Standard
Event Status Register (ESR) occur.
4 MAV Message Available Interrupts when messages are in the Output Queue.
3 --- --- (Not used.)
2 MSG Message Interrupts when an advisory has been displayed on
the oscilloscope.
1 USR User Event Interrupts when enabled user event conditions
occur.
0 TRG Trigger Interrupts when a trigger occurs.
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