Model 6517B Electrometer Reference Manual Section 14: SCPI command reference6517B-901-01 Rev. C / August 2015 14-35:REFerence This command is used to set the reference value for ratio, deviation, and percent deviationUsage:CALCulate[1]:REFerence :REFerence? -9.999999e35 to +9.999999e35: Specify reference valueDetailsThis command is used to specify the reference value for the ratio, deviation, and percent deviationcalculation.Also seeNone:STATe This command is used to control the CALC 1 calculation.Usage:CALCulate[1]:STATe :STATe? 0 or OFF: Disable CALC 1 calculation 1 or ON: Enable CALC 1 calculationDetailsThis command is used to enable or disable the CALC 1 calculation. When enabled, each instrumentreading reflects the selected calculation.Also see:FORMat (on page 14-37)DATA commands[:LATest]?This command is used to read the CALCulate[1] result.Usage:CALCulate[1]:DATA[:LATest]?DetailsThis query command is used to read the result of the CALCulate[1] calculation. If CALCulate[1]is disabled or NONE is selected, the "raw" reading is read instead.Also seeCALCulate[1] (on page 14-32)