Most popular GPS units come equipped with touch screen displays. To protect their displays against finger marks, scratches and dust, one needs to clean them on a regular basis. How do you clean a GPS display and maintain it in a proper condition? In order to protect your GPS display against scratches, you may consider using a clear shield. This is particularly true for hiking gps models, which are more exposed to scratches and other damages.
Typically Garmin screens require less cleaning than the TomTom models. Finger marks are pretty bad with the later. So be sure you properly look after your GPS LCD in that regard. To clean their LCD displays, many GPS users simply use the same product as the one used to clean their laptop displays. LCD cleaners work well on GPS too, but use it in a small quantity because touch screens are not quite sealed as compared to laptop displays.
One can also use a good quality micro-cloth and some water. As most users will tell you, the best micro-cloths come from Germany and are usually sold online at car detailing sites. There are three different types of Micro-fibre cloths, so make sure you use the right and never wash them with a laundry soap or dry them in a cloth dryer. This often damages them and they won't be as effective as they should.
What about the damp paper towels that are used to clean eyeglasses? Some of these normally have to be dampened with some water. The problem is that they then leave a bit too much moisture on the GPS display's edges. I advise you use the kind that uses no water but some form of volatile alcohol that leaves no dampness or residues on the display.
Finally, most GPS makers also provide advices in their users manuals on how to clean the GPS display. Be sure to read it in order to use your device as long as possible.
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