BNC 1105 Universal Counter - Manual (Page 117)

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significant digits will range from 1 to 15, depending on the resolution.
Notes
Be sure to enable the statistics operation before query the result.
If the statistics operation is not enabled (:CALC3:AVER[:STATe] OFF), or the current
measurement function is Totalize or Voltage Peaks, Not A Number 9.91E37 will be
returned and error -221 will be generated.
If there is no valid result, Not A Number 9.91E37 will be returned and error -230 will
be generated.
The last calculated statistical result remains valid until a new calculation is made or a
relevant instrument state is modified.
:CALCulate3:FEED “[:]CALCulate[1]”
Sets or queries the data flow to be fed into the CALCulate3 block.
Return
The string “CALC” is returned.
:CALCulate3:LFILter:LOWer[:DATA] [HZ|S|DEG]
Sets or queries the lower limit in statistics operation. The resolution is 11 digits and the
range is from -9.9999990000E+12 to -1.0000000000E-13, 0.0000000000, and
+1.0000000000E-13 to 9.9999990000E+12.
Return
Numeric data transferred in ASCII bytes in format with eleven significant
digits.
Notes
It will return to its power-on default, 0, after the counter has been turned off or a
remote interface reset.
This command shares the same value with :CALC:LIM:LOW command.
When limit filtering is enabled( :CALC:LFIL:STAT ON), any value lower than this
value will not be used in the statistics calculation.
If math operation is enabled(:CALC3:MATH:STATe ON), user should consider the
scaled and offset measurement when specifying the limit.
Setting a new lower limit will clear the limit counts