StreetPilot 2720 Owner’s Manual 37APPENDIXUpdating the Software and Map DataIf you register your 2720, you will receive notification ofsoftware and map updates. To register your 2720, go tohttps://www.garmin.com/registration/selectreg.jsp.To update the 2720 software:1. Load the USB drivers using the enclosedCD-ROM. See the previous page.2. Connect the AC cable to the power connectoron the back of the StreetPilot. Turn on theStreetPilot.3. Connect the USB cable to your 2720 and yourcomputer. See the previous page.4. Go to http://www.garmin.com/products/sp2720.Select Updates and Downloads.5. Click Download next to the unit software.6. Read and agree to the terms. Click Download.7. Select Run (or Open). Your software is updated.You can also use WebUpdater to update your 2720software. Go to http://www.garmin.com/products/webupdater/ to learn about WebUpdater.Check http://www.garmin.com/unlock/update.jsp to seeif an update for your map software is available.To find out the version of the maps that are loaded onyour 2720, open the Main menu. Touch Settings >About > Detail Maps.To load maps to your 2720, see the MapSource Help file.Using a Remote GPS AntennaUse an optional external remote GPS antenna (GarminGA 25) when using the unit in a vehicle with a coatedwindshield or an in-screen heating system, which canblock GPS signals. Connect the antenna to the MCXconnector located on the back of the unit. To purchase,go to http://www.garmin.com/products/sp2720. ClickAccessories.