nüvi 800 Series Owner’s Manual Customizing the nüvidetect the video input when connected tothe VIB 10 or VIB 11.reverse Light Polarity—select Highfor most vehicles. If your backup cameraactivates when you are not in reverse,the reverse lights might be sending alow-voltage signal to your nüvi. If thisoccurs, select Low. Contact the vehiclemanufacturer for polarity information.View Camera—select to view thebackup camera on your nüvi. To returnto the backup camera settings while thevideo is playing, touch anywhere on thescreen.restore—restore the original backupcamera settings.Changing the ProximityPoints SettingsYou must have proximity points (such ascustom POIs, a safety camera database,or a TourGuide®) loaded to adjust theproximity points settings. See page 58.Touch Tools > Settings > ProximityPoints.Proximity alerts—turn on or off thealerts when you approach custom POIsor safety cameras.TourGuide—set how you want theaudio for TourGuide to be activated.Select auto Play to hear the completetour as programmed; Prompted to showthe speaker icon on the map whentour information is available during yourroute; or Off.restore—restore the proximity pointssettings.Restoring All Settings1. Touch Tools > Settings.2. Touch Restore.3. Touch Yes.