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38.2.2. STATUS REGISTERS
Reading only *STB? common command.
In this case, the (MSS) 6 Bit is returned and remain in the status it was before reading [see §. *STB (Status Byte)]
The *CLS common command is reset to zero.
Delaited description
RQS
Request Service (6 bit)
Indicates if the instrument requests a service. The type of COMM used on the instrument does not generate a request, but the byte
is accessible in reading. It is reset to 0 after reading and can switch to zero only if the event register is reset to zero (by reading
or *CLS).
MSS
Master Summary Status (6 bit)
Indicates if the instrument has a reason to request a service. This information is accessible only in reading the status register.
(*STB? command) and stays as it is after the reading.
ESB
Event Satus Bit (5 bit)
Indicates if at least one of the conditions of the event register is satisfied and not masked.
MAV
Message Available (4 bit)
Indicates if at least one response is in the output spooler.
38.2.3. SERVICE REQUEST MASK REGISTER
Reading and writing *SRE command.
38.2.4. EVENT REGISTER
Reading *ESR command. Its reading resets to zero.
Detailed description
PON
Power On (7 bit)
Not used
URQ
User request (6 bit)
Not used
CME
Command Error (5 bit)
A command error has been detected.
EXE
Execution Error (4 bit)
An error execution has been detected.
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