While GPS technology is not a rocket science and has been around for a while, some people may still be confused about how it really works. Learning how GPS devices function may take time for some of the readers - you definitely need to have some background knowledge and willingness to explore the word of GPS technology.
Here is a useful little guide for newbie GPS users. Don’t let terms like “NAVSTAR system”, “pseudo-random”, or “differential GPS” scare you. Just dig right in and start getting familiar with the best navigation tool that came along since the the invention of the compass.
Recommended Reading: GPS Guide For Beginners.pdf (provided by Garmin).
The guide includes a section about mapping and navigation, including explanation of waypoints, the GOTO feature, routes, and track logs; as well as tips for buying the GPS and selecting accessories that you may need.
If you are looking to buy handheld gps navigation system, read more about GPS Handheld systems and How to choose the right GPS device for your needs?