The questionable data event register is cleared when:
• You execute a *CLS (clear status) command.
• You query the event register using STATus:QUEStionable:EVENt?.
The questionable data enable register is cleared when:
• You turn on the power (*PSC does not apply).
• You execute the STATus:PRESet command.
• You execute the STATus:QUEStionable:ENABle 0 command.
Chapter 4 Remote Interface Reference
The SCPI Status Model
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