Customer Review

1 of 1 people found the following review helpful
5.0 out of 5 stars Buy this to save money and battery life, 19 July 2013
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This review is from: Garmin eTrex 20 Outdoor Handheld GPS Unit (Electronics)
The more expensive etrex 30 has a compass and altimeter - for walkers you'll be carrying an additional compass anyway and an altimeter is a nice-to-have only. Both these additional features will cost battery power. Stick with the etrex 20 if you don't need these features.

I got hold of a free British Isles map (widely available online though you can pay for garmin maps of course), renamed it to gmapsupp.img, and copied it into a folder I created called garmin on a micro sd card and inserted that into the etrex 20; the etrex 20 was then able to show that map. I uploaded free .gpx files onto the etrex 20 to use with the map. I have a separate micro sd card with map and .gpx files for a trip to La Palma later in the year. All very straightforward and convenient. It might even be possible somehow to do all this with one sd card but I don't know.

I have a garmin geko 301 which can't show maps and the ability to see instantly where you are on a map with the etrex is so much more convenient than having to use the geko coordinates to see where you are on a paper map.

The accuracy of this device is astounding, not that the Geko was deficient in any way but the etrex 20 takes it to a new level.

Very importantly the etrex 20 will hold, I believe, 2,000 waypoints and 200 routes - more than enough for, let's say, a two-week trip.
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4.0 out of 5 stars (128 customer reviews)
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