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My GPS 3790T is tunnel aware.
When I enter a tunnel, it turns the screen into a dark background, like night mode.
Question is: HOW ?
Does it has a light sensor somewhere ?
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23rd October 2012, 01:29 AM #1Member +
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How is a GPS Garmin "tunnel aware" ?
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Carlos Magalhaes
Garmin nüvi 3790T
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