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Appendix C
Technical Support and Professional Services
NI 6238/6239 User Manual
Calibration Certificate—If your product supports calibration,
•
you can obtain the calibration certificate for your product at
ni.com/calibration
If you searched
ni.com
your local office or NI corporate headquarters. Phone numbers for our
worldwide offices are listed at the front of this manual. You also can visit
the Worldwide Offices section of
office Web sites, which provide up-to-date contact information, support
phone numbers, email addresses, and current events.
.
and could not find the answers you need, contact
ni.com/niglobal
C-2
to access the branch
ni.com
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