The Garmin Express software downloads and installs theupdates onto your device. Map updates are very large, and thisprocess may take a long time on slower Internet connections.Data ManagementYou can store files on your device. The device has a memorycard slot for additional data storage.NOTE: The device is not compatible with Windows 95, 98, Me,Windows NT®, and Mac OS 10.3 and earlier.About Memory CardsYou can purchase memory cards from an electronics supplier,or purchase pre-loaded Garmin mapping software(www.garmin.com). In addition to map and data storage, thememory card can be used to store files such as maps, images,geocaches, routes, waypoints, and custom POIs.Installing a Memory Card for Maps and DataYou can install a memory card to increase the storage space formaps and other data on your device. You can purchase memorycards from an electronics supplier, or go to www.garmin.com/maps to purchase a memory card with pre-loaded Garminmapping software. The device supports microSD andmicroSDHC memory cards.1 Insert a memory card À into the slot Á.2 Press it in until it clicks.Connecting the Device to Your ComputerYou can connect the device to your computer using a USBcable.1 Plug the small end of the USB cable into the port on thedevice.2 Plug the larger end of the USB cable into a port on yourcomputer.A picture of your device connected to a computer appears onthe device screen.Depending on your computer operating system, the deviceappears as either a portable device, a removable drive, or aremovable volume.Transferring Data From Your Computer1 Connect the device to your computer (Connecting the Deviceto Your Computer, page 21).Depending on your computer operating system, the deviceappears as either a portable device, a removable drive, or aremovable volume.2 On your computer, open the file browser.3 Select a file.4 Select Edit > Copy.5 Browse to a folder on the device.NOTE: For a removable drive or volume, you should notplace files in the Garmin folder.6 Select Edit > Paste.Disconnecting the USB CableIf your device is connected to your computer as a removabledrive or volume, you must safely disconnect your device fromyour computer to avoid data loss. If your device is connected toyour Windows computer as a portable device, it is not necessaryto safely disconnect.1 Complete an action:• For Windows computers, select the Safely RemoveHardware icon in the system tray, and select your device.• For Mac computers, drag the volume icon to the trash.2 Disconnect the cable from your computer.Viewing GPS Signal StatusHold for three seconds.Power CablesYour device can be powered various ways.• Vehicle power cable• USB cable• AC adapter (optional accessory)Charging the DeviceNOTE: This Class III product shall be powered by an LPS powersupply.You can charge the battery in the device using any of thesemethods.• Connect the device to the vehicle power cable.• Connect the device to a computer using a USB cable.The device may charge slowly when connected to acomputer. Some portable computers may not charge thedevice.• Connect the device to an optional power adapter accessory,such as a wall power adapter.You can purchase an approved Garmin AC-DC adaptersuitable for home or office use from a Garmin dealer orwww.garmin.com.Changing the Fuse in the Vehicle Power CableNOTICEWhen replacing the fuse, do not lose any of the small piecesand make sure they are put back in the proper position. Thevehicle power cable does not work unless it is assembledcorrectly.If your device does not charge in your vehicle, you may need toreplace the fuse located at the tip of the vehicle adapter.1 Rotate the end piece À 90 degrees counter clockwise tounlock it.TIP: You may need to use a coin to remove the end piece.2 Remove the end piece, the silver tip Á, and the fuse Â.3 Insert a new fast-blow fuse that has the same current, suchas 1 A or 2 A.4 Place the silver tip in the end piece.Appendix 21