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If you use a cleaning liquid, use an appropriate LCD cleaning liquid. You can also use
distilled water, isopropyl alcohol, or vinegar mixed with water at a concentration of no more
than 10 percent vinegar. Note that tap or mineral water may cause spotting on the screen.
Do not leave any liquid on the screen. Repeat this procedure for hard to remove smudges.
Do not spray any cleaning solutions directly on the LCD screen.
Do not use a cleanser that contains acetone, ethyl alcohol, ethyl acid, ammonia, or methyl
chloride.
Do not use a paper towel to clean the LCD screen.
Cleaning the Rest of RUBY
Make sure RUBY is unplugged. Use a lightly dampened, soft, clean cloth with water or mild
detergent. Do not use alcohol, solvents, abrasives, or aerosol sprays.
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