Mio DigiWalker C230 User Manual page 18

The screen surface can easily be scratched. Avoid touching it with sharp
objects. Non-adhesive generic screen protectors designed specifically for use
on portable devices with LCD panels may be used to help protect the screen
from minor scratches.
Never clean your device with it powered on. Use a soft, lint-free cloth to wipe
the screen and the exterior of your device.
Do not use paper towels to clean the screen.
Never attempt to disassemble, repair or make any modifications to your
device. Disassembly, modification or any attempt at repair could cause
damage to your device and even bodily injury or property damage and will
void any warranty.
Do not store or carry flammable liquids, gases or explosive materials in the
same compartment as your device, its parts or accessories.
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