Series 2280 Precision DC Power Supply Reference Manual  Section 7: SCPI command reference 
077085503 / March 2019  7-109 
 
:STATus:QUEStionable:INSTrument:ISUMmary[:EVENt]? 
This command reads the Operation Instrument Summary Event Register of the status model. 
Usage 
:STATus:QUEStionable:INSTrument:ISUMmary[:EVENt]? 
Details 
This attribute reads the Questionable Instrument Summary Event Register of the status model and 
clears the register. 
The instrument returns a decimal value that corresponds to the binary-weighted sum of all bits set in 
the register. 
Example 
 
Returns the contents of the Questionable 
Instrument Summary Event Register of the 
status model. 
Also see 
Questionable Instrument Summary Event Register (on page D-16) 
:STATus:QUEStionable:INSTrument:ISUMmary:ENABle 
This command sets or reads the contents of the Questionable Instrument Summary Event Enable Register of the 
status model. 
Usage 
:STATus:QUEStionable:INSTrument:ISUMmary:ENABle <n> 
:STATus:QUEStionable:INSTrument:ISUMmary:ENABle? 
 
The status of the Questionable Instrument Summary Event Enable 
Register 
Details 
This command sets or reads the contents of the enable register of the Questionable Instrument 
Summary Event Register (QISER). 
When one of these bits is set and the corresponding bit in the QISER is set, bit 1 in the Questionable 
Instrument Event Register is set. 
When sending binary values, preface <n> with #b. When sending hexadecimal values, preface <n> 
with #h. No preface is needed when sending decimal values.