Keithley 2100

B-26 Return to Section Topics 2100-900-01 Rev. D / September 2011
Appendix B: Remote Interface Reference Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
The following conditions will clear the questionable data event register:
• Users execute a *CLS command.
• Users query the event register by using STATus:QUEStionable:EVENt?.
The following conditions will clear the questionable data enable register:
• Users turn on the power without using *PSC command.
• Users execute the STATus:PRESet command.
• Users execute the STATus:QUEStionable:ENABle 0 command.
Status reporting commands
SYSTem:ERRor?
Query the multimeter's error queue. A maximum of 20 errors can be stored in the
queue. Errors are retrieved in first-in-first out (FIFO) order. Each error
string may contain a maximum of 80 characters.
STATus:QUEStionable:ENABle <enable value>
Enable bits in the questionable data enable register. The selected bits are then
reported to the Status Byte.
STATus:QUEStionable:ENABle?
Query the questionable data enable register. The multimeter returns a
binary-weighted decimal representing the bits set in the enable register.
STATus:QUEStionable:EVENt?
Query the questionable data event register. The multimeter returns a
decimal value that corresponds to the binary-weighted sum of all bits
set in the register.
STATus:PRESet
Clear all bits in the questionable data enable register.
*CLS
Clear the status byte summary register and all event registers.