Samsung WM55B Flip Pro 55" 4K Interactive Touchscreen LED Display - Manual (Page 8)

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Precautions for use
Be careful that if you use the supplied pen with a load exceeding 2.5 kg, scratches may occur
on the protective glass.
If you use a ballpoint pen other than the supplied pen, be careful that the screen may be
stained with ink or damaged.
Do not use a dirty brush to avoid screen damage.
" We recommend that you use the supplied pen. Do not use sharp, pointed objects other
than the pen.
" If dust or dirt from the supplied pen remains on the protective glass, clean it referring to
the instructions below.
Cleaning the exterior and display
Wipe the surface with a slightly wet, soft cloth, and then wipe with a dry cloth.
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