Do auto GPS units show UTM coordinates or allow switching of datum?

I have used many GPS units in the field with Topo software; though have yet to purchase a vehicle GPS unit. I am wondering, do any (Tom Tom, C330, Nuvi) allow you to view the exact UTM coordinate of your location? Do they also allow you to switch which datum you’re using? Do auto GPS units show UTM coordinates or allow switching of datum? I would really appreciate your opinion regarding this. Thanks.

5 months ago

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Sana Shuja | Dec 22 2011

I have not seen these features in the Tom Tom, or even in the Garmin models designed for turn by turn directions. However Garmins Handheld model GPS 12XL has Datum changing and UTM coordinates for map making.
The only way you are going to get these features is on a handheld or a PDA style System. That information would only confuse the average user.

Do auto GPS units show UTM coordinates or allow switching of datum?

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