“Can the GPS function be used while powering from either the USB cord OR the "Cigarette lighter" cord? (The older 765 T Garmin was not usable while charging through the USB cord).”

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• yes this is a automobile GPS. it is designed to be plugged in using the supplied traffic transmitter, but a regular USB cable also works.

  Answered by Bapr 7 years ago

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• Good question. It is advised to always use the vehicle power cable. Third-party cables or power from a USB port may not fully power the device.

  Answered by GarminProductExpert 7 years ago

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