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Model 2701 Service Manual Calibration 2-13

Remote calibration

Follow the steps in this section to perform comprehensive procedures via remote. See

Appendix B for a detailed list and description of remote calibration commands.

When sending calibration commands, be sure that the Model 2701 completes each step

before sending the next command. You can do so either by observing the front panel

CALIBRATING message or by detecting the completion of each step via remote. (See

“Detecting calibration step completion” in Appendix B.)

The procedures for calibrating the Model 2701 via remote include:

• Preparing the Model 2701 for calibration

• Short and open calibration

• DC voltage calibration

• Resistance calibration

• DC current calibration

•AC voltage calibration

•AC current calibration

• Programming calibration dates

•Saving calibration constants

• Locking out calibration

NOTE As with front panel calibration, you can choose to perform comprehensive, DC-only,

or AC-only calibration. Be sure to include a space character between each command

and parameter.

Preparing the Model 2701 for calibration

1. Connect the Model 2701 to the Ethernet or connect the unit to a computer through the

RS-232 port using a straight-through 9-pin to 9-pin cable (use a 9-25-pin adapter if

necessary).

2. Turn on the Model 2701 and allow it to warm up for at least two hours before

performing calibration.

3. Unlock the calibration function by sending this command:

:CAL:PROT:CODE 'KI002701'

(The above command shows the default code, KI002701. Substitute the correct code if

changed.)

4. Send the following command to initiate calibration:

:CAL:PROT:INIT

Keithley 2701 Service Manual

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