1564 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
41 Status Reporting
Service Request Enable Register (SRE)
Setting the Service Request Enable Register bits enable corresponding bits in the
Status Byte Register. These enabled bits can then set RQS and MSS (bit 6) in the
Status Byte Register.
Bits are set in the Service Request Enable Register using the *SRE command and
the bits that are set are read with the *SRE? query.
Example The following example sets bit 4 (MAV) and bit 5 (ESB) in the Service Request
Enable Register.
myScope.WriteString "*SRE " + CStr(CInt("&H30"))
This example uses the decimal parameter value of 48, the string returned by
CStr(CInt("&H30")), to enable the oscilloscope to generate an SRQ interrupt under
the following conditions:
• When one or more bytes in the Output Queue set bit 4 (MAV).
• When an enabled event in the Standard Event Status Register generates a
summary bit that sets bit 5 (ESB).
See Also • "*SRE (Service Request Enable)" on page 248
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