Reference
Caring for the touch screen
The following explains care for the “WALKMAN” body and touch screen.
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Wipe with a soft cloth (eyeglasses cleaning cloth, etc.).
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If excessively dirty, wipe with a cloth moistened with diluted neutral detergent.
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Do not use chemicals such as thinner, benzine, or alcohol, as they may damage the surface finish.
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Be careful not to get water inside.
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