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12 - First things first
Internal battery
• Do not attempt to replace a built-in rechargeable battery,
battery replacement must be done by an Acer- authorized
repair facility.
Recharge the battery by following the instruction included in
the product documentation.
Taking care of your vision
Long viewing hours, wearing incorrect glasses or contact
lenses, glare, excessive room lighting, poorly focused
screens, very small typefaces and low-contrast displays
could stress your eyes. The following sections provide
suggestions on how to reduce eyestrain.
• Eyes
• Rest your eyes for 5-10 minutes for every one hour of
using the product.
• Give your eyes regular breaks by looking away from the
monitor and focusing on a distant point.
• Blink frequently to keep your eyes from drying out.
• Display
• Keep your display clean.
• Keep your head at a higher level than the top edge of the
display so your eyes point downward when looking at
the middle of the display.
• Adjust the display brightness and/or contrast to a
comfortable level for enhanced text readability and
graphics clarity.
• Eliminate glare and reflections by:
• placing your display in such a way that the side faces the
window or any light source,
• minimizing room light by using drapes, shades or blinds,
• using a task light,
• changing the display's viewing angle,
• using a glare-reduction filter,
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