Traveling Tips 7-3! Copy of proof of purchase for your computer and other equipment or customsregistration form for customs check! Customer support phone numbers for your software! NEC Versa Quick Reference card! AC extension cord.Using Power ConnectionsWith the right accessories, you can run your NEC Versa almost anywhere! Yoursystem self-adjusts to various power sources. The United States, Canada, and most ofCentral and South America use 120-volt alternating current (AC). Most other countriesof the world use 240-volt AC. The NEC Versa adapts to voltages ranging from 100 to240 volts.There are a few countries with areas that use direct current (DC) as their main powersource. You need a DC-to-AC converter in particular areas of Argentina, Brazil, India,Madeira, and South Africa.To use your system overseas, you need an adapter plug. There are several differentplugs available worldwide. You can buy these at an electronics supply store.Getting Through CustomsWith so many countries in the world, you can be sure that there are a variety of customsregulations. Plan wisely to get your NEC Versa notebook computer through customs bycarrying the appropriate documentation to assure the customs agent that your system isnot a recent purchase.Travelers are often asked, when returning to their home country, whether or not theypurchased the computer while outside of the country. Sometimes, the proof of purchasesuch as a bill of sale, insurance policy, or purchase receipt is sufficient. Taking alongthe purchase receipt for your laptop may sound practical, but may not always suffice,particularly when the purchaser of the computer is your company and the originalreceipt is not available to you.Another alternative to a proof of purchase document is a Certificate of Registration, adocument that is issued when you register your laptop with the Customs Service priorto departure. The certificate of registration contains a brief description of yourcomputer and lists appropriate serial numbers for identification. The document isavailable from the customs web site at http://www.customs.ustreas.gov/.To avoid hassle when moving your system through customs, you may want to obtain acertificate of registration and carry it, and your Versa notebook computer, whereveryou may travel!