BNC 1105 Universal Counter - Manual (Page 25)

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b. Use Scale&Offset button to set the scaling and offset parameters if
it’s needed (refer to Ch.4.4).
c. Use Limit Modes button set the upper and lower limits if it’s needed
(refer to Ch.4.5).
d. Use Stats button to set up the statistics function and limit filtering if
it’s needed (refer to Ch.4.6).
e. Use the selections in the CH1 & CH2 to set the input conditions and
the trig Sens.
f. Use Show Status button to check the conditions of Input, Volt, Stats
and Limit.
g. Use Save&Recall button to save your settings (i.e., changes made in
steps a-d) if it’s needed (refer to Ch.4.9).
5. Press RUN button to make continuous measurements.
6. Press STOP/SINGLE button to make single measurement or to stop
continuous measurements.
The start and the stop events may be triggered from the same source
connected to one of the two channels. Refer to Ch.4.8 for detailed
operations.
Remote Interface Command
Use the following commands for making time interval measurement:
[:SENSe]:FUNCtion[:ON] “[:][XNONe:]TINTerval [1,2]”
Or
:CONFigure[:SCALar][:VOLTage]:TINTerval [(@1),(@2)]
:READ[[:SCALar][:VOLTage]:TINTerval]?
Or
:MEASure[:SCALar][:VOLTage]:TINTerval? [(@1),(@2)]
3.4 Period Measurement
Auto triggering is enabled by default for frequency ratio measurement,
and the trigger levels are set to the 50% points of each signal. One may
manually disable auto triggering and change the trigger levels and slopes
settings (refer to Ch.4.8).