62 nüvi 3400 Series Owner’s ManualAbout Memory CardsYou can purchase memory cards from anelectronics supplier, or purchase pre-loadedGarmin mapping software (www.garmin.com/trip_planning). In addition to map and datastorage, the memory card can be used to storefiles such as maps, images, geocaches, routes,waypoints, and custom POIs.Installing a Memory CardThe device supports microSD ™ and microSDHCmemory cards.1 Insert a memory card into the slot on thedevice.2 Press it in until it clicks.Transferring Files from YourComputer1 Connect the device to your computer(page 2).Your device and memory card appearas removable drives in My Computer inWindows and as mounted volumes on Maccomputers.NOTE: Some computers with multiplenetwork drives cannot display nüvi drives.See your operating system Help file to learnhow to map the drives.2 On your computer, open the file browser.3 Select the file.4 Select Edit > Copy.5 Open the Garmin or memory card drive orvolume.6 Select Edit > Paste.The file appears in the list of files in thedevice memory or on the memory card.Disconnecting the USB Cable1 Complete an action: