User`s manual

38 Troubleshooting and Maintenance
Cleaning the LCD
1. Do not use cleaners that contain alcohol.
2. Do not use a cloth that could be abrasive to the surface
of the LCD
3. Always gently wipe the LCD surface when cleaning.
Cleaning the Keyboard
1. Do not spill any liquid on to the keyboard.
2. Do not drop particles into the spaces between keys.
3. Remove dust built-up with a compress air cleaner.