A garmin may be purchased at most stores that sell electronics such as best buy or apt but you may also find them on ebay and amazon or even at walmarts and target.
The Garmin website handles updates for all it's current products including the Garmin Etrex. The most current version is the ETrex Legend 3.90 released in 2008.
For a Garmin Etrex GPS system, a receiver is not required. You can simply just buy a Garmin Etrex GPS and use it without having to buy any other accessories such as the receiver.
The Garmin Etrex GPS Receiver can be purchased from Walmart. Walmart has a very reasonable price on this certain GPS for only $124.99. It is also available on the online shopping section of walmart.com.
The difference between a Garmin Etrex handheld and other Garmin products is that the Etrex handheld offers a more broad range worldwide database of cities and it also accepts downloaded information about local places of interest.
The Garmin eTrex is a series of handheld GPS devices designed for outdoor and recreational activities such as hiking, geocaching, and camping. It provides navigation features like waypoints, tracks, and routes to help users navigate through various terrains. The eTrex is known for its rugged design, long battery life, and user-friendly interface.
The Etrex Garmin is water resistant, as it can take a splash or occasional dunk in the water and keep on working. Though it is not waterproof to the point of being able to work underwater.
You can find pricing for a garmin etrex vista on the following site: https://buy.garmin.com/shop/shop.do?pID=6403. It's a good product.
The Garmin ETrex handheld has all the features of a regular GPS, including the ability to update software. It's small enough, however, to fit in the palm of your hand.
There are several different web sites where you can purchace a garmin etrex cable. You can find them at web sites like amazon.com and also at garmin.com. It is always best to get the correct cable from the manufacturer.
The Garmin eTrex uses a USB cable in order to connect to your desktop, laptop or other device. There are no pins in the USB cable and no other interface is available on most models.
www.garmin.com/etrex is your site for buying any accessories on-line manufactured by Garmin. This site can answer any question regarding details and price of whatever product you may be looking for.
The manual comes with the GPS in the package, but if you are missing it, I'm sure the guys at Garmin would be more than happy to help you find a manual.