tailieunhanh - Wireless all- In-One for Dummies- P16

Wireless all- In-One for Dummies- P16:I still remember when I got my first cordless phone. Suddenly, I didn’t have to run to the kitchen when the phone rang, I just carried the phone with me. I could make a phone call from wherever I was. Wireless meant freedom, and this is just a phone that I’m talking about! | Making a Connection with Your PC 429 GPS mapping programs for laptop PCs generally offer the option to print out both ordinary maps and those that show your selected route. These printed copies can serve as an excellent backup for your GPS unit and save you a trip to the auto club office. Making a Connection with Your PC There are quite a few reasons why I think you ll find that having a connection between your GPS receiver and your PC awfully handy. Examine a few of them. Upgrading software and maps As I mentioned in the previous section once you move beyond the most basic portable GPS receivers you quickly get into units that display maps rather than simply numbers to indicate your position. You may have noticed however that maps have a certain amount of obsolescence built in. For some reason people want to build new roads change the course of old ones or even just rename existing roads. That s one reason many GPS receivers offer the option to connect to your PC so you can update the maps in the GPS receiver. Downloading your life s movements Virtually all GPS units can store some record of where they ve been. By downloading this tracking information to your PC you can map out the route you took in getting somewhere. Here are some possible uses for this type of information Imagine how useful it would be to be able to print out maps of the trail to some hidden but beautiful picnic spot so that you could share those maps with your friends. If you have a consulting business where you must visit your client s locations you could use your GPS track to justify the travel expenses you bill to the customers or that you claim on your tax returns. Because the GPS track also includes information about the speed of travel you might try to beat an unwarranted speeding ticket by convincing a judge that the GPS track is an accurate representation of how you were driving. I don t think I d bet on that working but you re welcome to try. Just don t blame me if the judge throws the