2 GTU 10 Owner’s ManualConnecting to aComputernoticeTo prevent corrosion, thoroughly drythe contacts and the surrounding areabefore charging or connecting to acomputer.Before you can use your device, youmust register and activate it on yourcomputer.1. Plug the cable into the USB porton your computer.2. Plug the mini-USB end of thecable into the mini-USB port ➊on the device.➊The LED turns on when the device isconnected to the computer.registering andactivating Your Device1. Go to http://my.garmin.com.2. Select Register > Outdoor.3. Follow the on-screen instructionsto set up an account and registeryour device.Charging the DevicenoticeThe device will not charge when thebattery is outside the temperaturerange from 32°F to 113°F (0°C to45°C).In order to charge the device, it mustbe connected to your computer(page 2) or a Garmin chargingaccessory.