Chapter 2 81
Programming Fundamentals
Using the Instrument Status Registers
Bit Description
0 A 1 in this bit position indicates that all pending operations were completed following
execution of the *OPC command.
1 This bit is always set to 0. (The instrument 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. Device
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 Currently not used.
7 A 1 in this bit position indicates that the instrument has been turned off and then on.