38 owner’s manual for use with models 10, 20, 30Device InformationEN Device InformationAdjusting the ScreenNOTE: The backlight brightnessmay be limited when the remainingcapacity in the batteries is low.Extensive use of screenbacklighting can significantly reducebattery life.1. While the device is on, press .2. Move the Thumb Stick left andright to adjust the brightnesslevel.3. Move the Thumb Stick up anddown to adjust the contrastlevel (eTrex 10 only).Adjusting the BacklightTimeoutYou can decrease the backlighttimeout to maximize battery power.Select Setup > Display >Backlight Timeout.Updating the SoftwareBefore you can update thesoftware, you must connect thedevice to your computer (page 42).1. Go to http://www.garmin.com/products/webupdater.2. Follow the on-screeninstructions.NOTE: Updating the softwaredoes not erase any of your data orsettings.Viewing DeviceInformationYou can view the unit ID, softwareversion, and license agreement.Select Setup > About.
