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8.4.8.6 SYSTem:ERRor?
Returns a system error message if any are present in the system error queue.
SYST:ERR?
0,“No error”
Each error condition produces only one error message at a time. The error
queue may contain up to ten messages. The messages are reported in the order
they occured. Reading a message from the queue removes the message so the
next message can be read. If more than ten errors occur before being read, the
tenth error in the queue is -350,“Queue overflow” and all but the first nine er
-
rors are discarded. All errors cause the Error Bit (ERR, bit 2) for the Status
BYTE Register to be set. Refer to Troubleshooting section for the error
messages.
8.4.8.7 SYSTem:SNUMber?
Returns the instrument serial number.
SYST:SNUM?
A09002
If the serial number has not been set, a 0 is returned. The serial number is set at
the factory and cannot be changed!
8.4.8.8 SYSTem:VERSion?
Returns the SCPI version number.
SYST:VERS?
1994.0
8.4.8.9 UNIT:TEMPerature?
Returns the system temperature units.
UNIT:TEMP?
C
The response is either C for Celsius, F for Fahrenheit, or K for Kelvin.
8.4.8.10 UNIT:TEMPerature <unit>
Sets the system temperature units.
UNIT:TEMP C
The <unit> parameter is either C or CEL for Celsius, F or FAR for Fahrenheit,
or K or Kelvin for Kelvin. The *RST command sets the units to Celsius.
113
8 Digital Communications Interface
Commands