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Installation Guide
Instructions for Cleaning
About connection of test fixture and DUT
Before actually connecting a DUT and performing measurement, it is necessary to set the
measurement conditions and perform calibration and compensation. Some calibration and
compensation operations have to be performed before the test fixture is connected to the
test head. Accordingly, before connecting the test fixture and the DUT, be sure to set the
measurement conditions and perform calibration and compensation as outlined in Chapter
5, "Setting Measurement Conditions," on page 101 and Chapter 6, "Calibration and
Compensation," on page 115.
Instructions for Cleaning
To prevent electrical shock, disconnect the 4287A's power cable from the power outlet
before cleaning.
To clean the exterior of the 4287A, gently wipe the surfaces with a clean dry cloth or a
clean cloth that has been soaked with water and wrung tightly. Do not attempt to clean the
4287A internally.
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Chapter 2
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