Hold the original piece of film tightly up to the corner of the new sheet and gently cut around it using your sharp knife. The factory reversed modules manage to reverse the box too - interesting distinction. Also notice the small box on the display in the upper right corner this will be disappearing when we reverse the display using this 'hack'. Notice in the picture below how the display is invisible without the polarizing film. Hint: you can tell when the two pieces are the right way because the original piece that you are using as a cutting template should look completely black. Make doubly sure you have the film oriented so that it will make the display look reversed before you place the old piece on top as a cutting guide. Make sure that you are cutting out the film with it turned in the right direction. Next you'll need to cut out a piece of the new polarizing film to the exact shape of the original piece. Step 7: Cutting and Replacing the New Polarizing Film Excellent, this ensures that the film is going to work - until this point it was a bit of a gamble on whether or not this particular type of polarizing film would work - looks good. Rotate the polarizing film 90 degrees just like you did with the piece that was removed from the glass and the display is reversed. The display is shown as normal and we can see the module is still ticking away quite happily. Here is the display with the film held in the regular position. Now let's take a look at the digital module display using the new sheet of polarizing film. If there is any glue residue left on the glass it will show up when you stick on the new piece of polarizing film and you don't want that. I promise you that the time spent getting the glue off as much as possible will be worth it. It took me several Q-Tips and about 15 minutes to get it perfectly clean. Make sure you get the glass as squeaky clean as you can. Step 6: Testing the New Piece of Polarizing FilmĪt this point I used my Q-Tips and some Goof Off to clean the tacky glue residue from the glass and the old piece of polarizing film. Simply turn the polarizing film around 90 degrees and as if by magic the digital display becomes reversed! The polarizing film does not need to be in contact with the glass to work. You can see that the film looks almost transparent while over the display and the digits are only visible on the parts of the display that are covered by the film - it's quite amazing. Lift off the polarizing film using your plastic tweezers. It's pretty nasty stuff so be patient and it will come up eventually. The film is stuck to the glass by a thin layer of tacky glue. Eventually you will have the blade under far enough to lift off the polarizing film. Take your time and work from one edge of the polarizing film across to the other, slowly pushing the blade of your knife under more and more while still moving it from side to side. The trick is to slide the blade between the polarizing film and the glass. I am using my scalpel to gently lift up the polarizing film a bit at a time. The film is slightly smaller than the glass and can be seen easily if you look close up. The next thing to do is to remove the polarizing film that is glued to the surface of the glass.
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