Agilent Technologies ESA-E Series Programmer's Manual page 49

Status Registers
Use Status Registers to Determine the State of Analyzer Events and Condition s
The standard event status register contains the following bits :
Figure 2-8
*ESR ?
Standard Event Status Register
ck765a
Bit Description
0 A 1 in this bit position indicates that all operations were completed following execution o f
the
*opc
command .
1 This bit is always set to O. (The analyzer does not request control . )
2
A 1 in this bit position indicates that a query error has occurred . Query errors have SCPI
error numbers from -499 to -400.
3 A 1 in this bit position indicates that a device dependent error has occurred . Devic e
dependent errors have SCPI error numbers from -399 to -300 and 1 to 32767 .
4 A 1 in this bit position indicates that an execution error has occurred . Execution errors
have SCPI error numbers from -299 to -200 .
5 A 1 in this bit position indicates that a command error has occurred . Command errors
have SCPI error numbers from -199 to -100 .
6 A 1 in this bit position indicates that the LOCAL key has been pressed . This is true even if
the analyzer is in local lockout mode .
7 A 1 in this bit position indicates that the analyzer has been turned off and then on .
Chapter 2
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