Step 4. Digitizer Adjustment; Step 5. Program Calibration Verification And Adjustment Dates; Step 6. Save Calibration Constants; Step 7. Lock-Out Adjustment - Tektronix KEITHLEY SourceMeter 2400 Series Calibration And Adjustment Manual

Model 2461 Calibration and Adjustment Manual

Step 4. Digitizer adjustment

All digitizer ranges are adjusted with a single command:
CALibration:DIGitize:ADJust:SENSe
This step is an internal adjustment requiring about 10 seconds to complete. The Model 2461 does not
source any output and there is no need to connect external equipment during this step.
This command must be sent after all normal voltage and current measure adjustment steps have
completed without error. It must be the last adjustment command before saving adjustment dates
and calibration constants.

Step 5. Program calibration verification and adjustment dates

Use the following commands to set the calibration verification and adjustment dates.
:CALibration:VERification:DATE <year>, <month>, <day> (calibration date)
:CALibration:ADJust:DATE <year>, <month>, <day> (adjust date)
Note that the year, month, and day must be separated by commas. The allowable range for the year
is from 1995 to 2094, the month is from 1 to 12, and the day is from 1 to 31. The calibration date is
the same as a calibration without adjustment, otherwise known as verification.
The adjustment count is automatically incremented each time a customer calibration adjustment is
executed and the adjustment date is set with the commands above. Calling the
CALibration:ADJust:DATE and CALibration:SAVE commands in sequence automatically
increments the adjustment count. The Model 2461 may need to be power cycled before the new
dates will show on the front-panel display.

Step 6. Save calibration constants

Adjustment is now complete, so you can store the calibration constants in nonvolatile memory by
sending the following command:
CALibration:SAVE
Adjustment is temporary unless you send the :SAVE command. Also, adjustment data is not saved if
calibration is locked, invalid data exists, or all steps were not completed.

Step 7. Lock-out adjustment

To lock out further adjustment, send the following command after completing the adjustment
procedure:
CALibration:LOCK
2461-905-01 Rev. A / February 2016
Section 4: Adjustment
4-17