Garmin nuvi 3750 Owner's Manual - Page 61
Appendix, About GPS Satellite Signals, Caring for Your Device, Signals - gps navigator
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Appendix About GPS Satellite Signals The device must acquire satellite signals in order to navigate. When the device has acquired satellite signals, the signal strength bars on the main menu are green . When it loses satellite signals, the bars turn red or clear . For more information about GPS, go to www.garmin.com/aboutGPS. Appendix Caring for Your Device • Avoid dropping your device and operating it in high-shock and high-vibration environments. • Do not expose the device to water. Contact with water can cause this device to malfunction. • Do not store the device where prolonged exposure to extreme temperatures can occur, because it can cause permanent damage. • Never use a hard or sharp object to operate the touchscreen, or damage may result. nüvi 3700 Series Owner's Manual55