Garmin Nuvi 750 Owner's Manual - Page 56
About GPS Satellite Signals, Caring for Your nüvi, Cleaning the Unit - case
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Appendix About GPS Satellite Signals Your nüvi must acquire GPS (Global Positioning System) satellite signals to navigate. If you are indoors, near tall buildings or trees, or in a parking garage, your nüvi cannot acquire satellites. Go outside to an area free from tall obstructions to use your nüvi. When your nüvi has acquired satellite signals, the signal strength bars on the Menu page are green . When it loses satellite signals, the bars turn red or clear . For more information about GPS, go to www.garmin.com/aboutGPS. Caring for Your nüvi Your nüvi contains sensitive electronic components that can be permanently damaged if exposed to excessive shock or vibration. To minimize the risk of damage to your nüvi, avoid dropping your unit and operating it in high-shock and high-vibration environments. Cleaning the Unit The nüvi is constructed of high-quality materials and does not require user maintenance other than cleaning. Clean the unit's outer casing (not the touch screen) using a cloth dampened with a mild detergent solution, and then wipe dry. Avoid chemical cleaners and solvents that can damage plastic components. 50 nüvi 700 Series Owner's Manual