Keysight Technologies 34450A Programmer's Reference Manual page 126

2 SCPI Programming
Return Format
The command reads the condition register and returns a decimal value which corresponds to the binary-
weighted sum of all bits set in the register (see table above). For example, if bit 3 (decimal value = 8 and bit
5 (decimal value = 32) are set (and the corresponding bits are enabled), this command will return " +40 ".
Example
The following command reads the condition register (bits 3 and 5 are set).
*STB?
Typical Response: +40
See Also
*PSC
*SRE
126 Keysight 34450A Programmer's Reference