Symbolic Measurement Ready Evaluation

If event reporting is enabled (i.e. CONFigure:<meas_obj>:EREPorting is not set to OFF), each measurement that reaches the STEP or RDY status causes an entry in the measurement queue. The measurement queue can be queried by means of the SYSTem:MQUeue[:COMPlete]<spec>? commands described in Introduction - Commands.

Two different specifiers are provided:

`<spec> = [:LIST]`	Returns the complete list of all ready measurements and reset all entries in the measurement queue to NONE.
`<spec> = :ITEM`	Returns the next ready measurement in the list and reset the corresponding entry in the measurement queue to NONE.

Symbolic measurement ready evaluation is in order, e.g. to avoid inconsistencies when a FETCh...? command is used to retrieve measurement results (see section Retrieving Measurement Results).