SECTION 3 " Routine Care and Maintenance6200 Hand-Held Computer 3-9keyboard, hand strap, covers, display, connectors, and peripheral productsfor obvious signs of damage or wear.B CAUTION: Do not use any abrasive cleaning compounds, ketonic solvents (acetone orketone) or aromatic solvents (toluene or xylene) to clean any part of yourhand-held computer. These solutions will cause permanent damage to yourhand-held computer.Never pour cleaners directly on the display or the case. Instead put thecleanser on a soft cloth and gently wipe the case.Case and DisplayNorand Corporation recommends cleaning the exterior of your 6200 hand-held computer using a soft cloth dampened with MICRO-CLEAN II cleans-er, made by Foresight International, Inc. 4887 F Street, Omaha, NE68127-0205.KeyboardIf necessary, use a dry toothbrush to dislodge accumulated dust or grimaround the keyboard keys. The keyboard can be removed by taking out thescrew that secures it (see Figure 3-5 on page 3-10 for location of retainingscrew).