
NI 9871 Operating Instructions 22 ni.com
Where to Go for SupportThe National Instruments Web site is your complete resource for 
technical support. At ni.com/support you have access to 
everything from troubleshooting and application development 
self-help resources to email and phone assistance from 
NIApplication Engineers.
National Instruments corporate headquarters is located at 
11500North Mopac Expressway, Austin, Texas, 78759-3504. 
NationalInstruments also has offices located around the world to 
help address your support needs. For telephone support in the 
United States, create your service request at ni.com/support 
and follow the calling instructions or dial 512795 8248. For 
telephone support outside the United States, contact your local 
branch office: 
Australia1800 300 800, Austria 43 662 457990-0, 
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Israel972 3 6393737, Italy 39 02 41309277, Japan 0120-527196,