5790B
Operators Manual
6-46
ERR?
Returns the first error code contained in the Product error queue, then removes
that error code from the queue. Following the error code is an explanation of the
error code, similar to but not always the same as the string you receive from the
EXPLAIN? command. The explanation sent in response to this query can contain
variables specific to a particular error event. (To get just the error number use
FAULT?)
A zero value is returned when the error queue is empty, so to read the entire
contents of the error queue, repeat ERR? until the response is:
"0,"No Error"
Parameter
None
Response
1. (Integer) The error code
2. (String) The error message string, formatted for display
EXPLAIN?
Explains an error code. This command returns a string that explains the error
code furnished as the parameter. The error code (same as the parameter) is
originally obtained by sending the FAULT? query. (See the ERR? command,
which returns both the error code and the explanation string.)
Parameter
The error code (an integer)
Response
The explanation of the error code, with the parameter (if there is one) shown
as a percent sign followed by d, f, or s.
EXTGUARD
Sets the GUARD connection to external or internal.
Parameter
non-zero (external guard), or OFF or 0 (internal guard)
EXTGUARD?
Returns the setting of external or internal GUARD connection.
Parameter
None
Response
(Integer) 1 for external guard, 0 for internal guard
EXTRIG
Enables or disables external (single) trigger mode. In external trigger mode, you
need to send the TRIG, *TRG, or MEAS? command to start a measurement. The
EXTRIG command corresponds with the EXTRIG front panel key.
Parameter
ON or non-zero (external trigger), or OFF or 0 (continuous trigger)
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