AppendixRino 650N Owner’s Manual 49TroubleshootingProblem SolutionThe screen does notrespond� How do Ireset the device?1� Remove the batteries�2� Reinstall the batteries�NOTE: This does not erase any of your data or settings�I want to reset all thecustomized settingsback to the factorydefaults�Select Setup > Reset > Restore Defaults to FactorySettings�My device does notacquire satellitesignals�1� Take your device out of parking garages and awayfrom tall buildings and trees�2� Turn on the device�3� Remain stationary for several minutes�My device will notcharge�• Ensure the lithium-ion battery is properly installed(page 4)�• Ensure the temperature is between 0°C and 45°C(32°F and 113°F)�• Turn down the backlight (page 5)�My battery gauge doesnot seem accurate�1� Leave the device on until the battery runs out�2� Fully charge the battery without interrupting thecharge cycle�The batteries do notlast long�To learn how to maximize the battery life, see page 36�