Model 2651A High Power System SourceMeter® Instrument Reference Manual Section 7: Command reference
2651A-901-01 Rev. A / March 2011 7-177
Example
smua.cal.fastadc()
Performs fast ADC calibration for SMU Channel A.
Also see
smuX.measure.calibrateY() (on page 7-193)
Adjustment
(on page B-16)
smuX.cal.lock()
This function disables commands that change calibration settings.
Type TSP-Link accessible
Affected by Where saved Default value
Function Yes
Usage
smuX.cal.lock()
X
Source-measure unit (SMU) channel (for example, smua.cal.lock() specifies
SMU channel A).
Details
This function disables calibration functions that can change calibration settings. The calibration constants must
be written to nonvolatile memory, or a previous calibration set must be restored prior to locking calibration. Error
number 5012 will result if this function is called when the calibration state is smuX.CALSTATE_CALIBRATING.
Example
smua.cal.lock()
Disables calibration functions for SMU Channel A.
Also see
smuX.cal.restore() (on page 7-179)
smuX.cal.save()
(on page 7-180)
smuX.cal.state
(on page 7-180)
Adjustment
(on page B-16)
smuX.cal.password
This attribute stores the password required to enable calibration.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (W) Yes Not applicable SMU nonvolatile
memory
"KI0026XX"
Usage
smuX.cal.password = newPassword
X
SMU channel (for example, smua.cal.password applies to SMU channel A)
newPassword
The new password (string)