Care and Maintenance

  • Routine maintenance

    Keep the display and pen tip clean, the excessive dust and particles may cause the display surface scratched and worn.

  • Mode of maintenance

    Remove cable and turn off power before cleaning.
    Use a soft cloth to wipe gently the display surface and casing.

  • Stubborn dirt

    Damp slightly a soft cloth or use mild detergent diluted, wipe the display surface with cloth wrung, then wipe with a dry cloth.

1. Do not wipe too hard to avoid scratching the display surface.
2. Do not use water or detergent to clean products directly, the inner electronic parts will fail if exposed to liquids.

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North America Warranty Policy:

Artisul LCD Display Pixel Guidelines

Each Pixel is made up of a red, green and blue sub-pixel. When a sub-pixel is fixed in an unchanging state, the visible result is a tiny black, white or colored spot that appears on the screen. There are generally two types of sub-pixel defects namely bright and dark sub-pixel defects. A sub-pixel defect is also referred to as a dot defect.

Bright Sub-Pixel Defects: A sub-pixel remains permanently lit, resulting in a white or colored dot on a black background.

Dark Sub-Pixel Defects: A sub-pixel remains permanently unlit, resulting in a black or colored dot on a white background.

During LCD manufacturing process, it is not uncommon for one or more sub-pixels to become fixed in an unchanging state. A display with a 1 to 5 fixed sub-pixel is considered normal and within industry standards.

For warranty service in US, Canada and Mexico, please contact

For all other areas, please contact your place of purchase.