4 Remote Interface Reference
174 Keysight 34420A User’s Guide
SYSTem:ERRor?
This command queries the meter’s error queue. Up to 20 errors can be stored in
the queue. Errors are retrieved in first-in-first out (FIFO) order. Each error string
may contain up to 80 characters.
SYSTem:VERSion?
This command queries the meter to determine the present SCPI version.
Returns "1994.0"
*RST
This command resets the meter to its power-on configuration.
*TST?
This command performs a complete self-test of the meter. Returns “0” if the
self-test is successful, or “1” if the test fails.
*IDN?
This command reads the meter’s identification string (be sure to dimension a
string variable with at least 40 characters).
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