R&S
®
CMW 500 Remote Control
Control of the Instrument
Operating Manual 1202.3986.32 – 03 86
ADJuste
d
All necessary adjustments finished, measurement running
Resources RUN QUEued Measurement without resources, no results available
ACTive Resources allocated, acquisition of results in progress but not
complete
Querying substates
The main measurement state can be queried using
FETCh:<FWA>:<context>:STATe:ALL? where <FWA> denotes the firmware
application and <context> is to be replaced by the name of the measurement.
Example: FETCh:GPRF:MEASurement<i>:POWer:STATe:ALL? (possible
response: RUN, ADJ, ACT).
5.4.2 Statistical Settings
Measurements generally cover a basic time interval and can be repeated periodically.
The measurement interval depends on the measurement context.
The number of measurement intervals that the R&S CMW 500 repeats in order to
calculate statistical results is termed "statistic count" (multi-measurement count). After
one statistic count, the instrument has terminated a basic measurement cycle ("single
shot" measurement). Measurement cycles can be repeated for an unlimited number of
times, resulting in the "continuous" repetition mode.
Most measurement contexts provide different sets of measurement results
(single/scalar values and traces) corresponding to the current measurement interval,
and the maximum, minimum, and average over a number of consecutive measurement
intervals (see section Statistical Results). In remote control these statistical results can
be retrieved independently.
Statistic count
Integer number of measurement intervals per measurement cycle (single shot
measurement). The statistic count can be set independently for any measurement
context or view; see Measurement Contexts and Views.
CONFigure:<FWA>:<Context>:SCOunt:<View> <Count>
e.g. CONFigure:GSM:MEASurement:MEValuation:SCOunt:PVTime 10
(sets the statistic count for the PVTime view in the GSM "Multi Evaluation"
measurement context).
Repetition mode
Single shot: The measurement is stopped after the number of measurement intervals
defined by the "statistic count".
Continuous: The measurement is continued until it is stopped explicitly. Average
results are calculated according to the rules given in the Statistical Results topic.
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