Section 7: TSP command reference Series 2600B System SourceMeter® Instrument Reference Manual7-190 2600BS-901-01 Rev. B / May 2013UsagecalState = smuX.cal.statecalState The present calibration state; when reading this attribute, calState has one of thefollowing values:0 or smuX.CALSTATE_LOCKED: Calibration is locked1 or smuX.CALSTATE_CALIBRATING: The calibration constants or dates havebeen changed but not yet saved to nonvolatile memory2 or smuX.CALSTATE_UNLOCKED: Calibration is unlocked but none of thecalibration constants or dates have changed since the last save/restoreX Source-measure unit (SMU) channel (for example, smua.cal.state applies toSMU channel A)DetailsThis read-only attribute indicates the calibration state of the instrument: Locked, calibrating, or unlocked.Examplecalstate = smua.cal.stateprint(calstate)Reads calibration state for SMU Channel A.Output:0.000000e+00The above output indicates that calibration is locked.Also seeAdjustment (on page B-18)smuX.cal.lock() (on page 7-186)smuX.cal.restore() (on page 7-188)smuX.cal.save() (on page 7-189)smuX.cal.unlock() (on page 7-190)smuX.cal.unlock()This function enables the commands that change calibration settings.Type TSP-Link accessible Affected by Where saved Default valueFunction YesUsagesmuX.cal.unlock(password)X Source-measure unit (SMU) channel (for example, smua.cal.unlock() appliesto SMU channel A)password Calibration passwordDetailsThis function enables the calibration functions to change the calibration settings.The password when the instrument is shipped from the factory is "KI0026XX".Examplesmua.cal.unlock("KI0026XX") Unlocks calibration for SMU channel A.