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8.2 Operating Procedure (GP-IB)
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.2.13 Event Registers
DDE
URQ
CME EXE
Logical sum
CME EXE
PON URQ
Status byte registers(STB)
Service request enable register
(SRER)
DDE QYE RQC OPC
QYE RQC OPCPON
ESB
RQS
MSS
(1) Standard event status register (SESR)
The standard event status register is an 8-bit register. If any bit in the
standard event status register is set to 1 (after masking by the standard
event status enable register), bit 5 (ESB) of the status byte register is set
to 1.
The standard event status register is cleared in the following three
situations:
When a *CLS command is received.
When an *ESR? query is received.
When the instrument is powered on.