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2-6 Calibration Model 2701 Service Manual

Aborting calibration

You can abort the front panel calibration process at any time by pressing EXIT. The instru-

ment will then ask you to conﬁrm your decision to abort with the following message:

ABORT CAL?

Press EXIT to abort calibration at this point or press any other key to return to the calibration

process.

NOTE The Model 2701 will not respond to any remote programming commands while the

ABORT CAL? message is displayed.

Front panel calibration

Perform the steps in the following paragraphs in the order shown for comprehensive, DC

only, and AC only calibration procedures.

The procedures for front panel calibration include:

• Preparing the Model 2701 for calibration

• Front panel short and open calibration

• DC voltage calibration

• Resistance calibration

• DC current calibration

•AC voltage calibration

•AC current calibration

• Setting calibration dates and saving calibration

Preparing the Model 2701 for calibration

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

ing a calibration procedure.

2. Start the calibration process as follows:

a. Access the calibration menu by pressing SHIFT then TEST, then display TEST:

CALIB using the up or down range key. Press ENTER.

b. Use the up or down range key to scroll through the available calibration menu

items until the unit displays RUN, then press ENTER.

c. At the prompt, enter the calibration code. (The default code is 002701.) Use the

left and right arrow keys to move among the digits; use the up range key to incre-

ment numbers and press the down range key to specify alphabetic letters. Conﬁrm

the code by pressing ENTER.

d. Choose N at the prompt to proceed without changing the code, then press ENTER.

3. Choose which of the calibration tests summarized in Table 2-2 you want to run at the

CAL: RUN prompt. Use the up and down range keys to scroll through the options;

select your choice by pressing ENTER.

Keithley 2701 Service Manual

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