Safe listening, Product servicing – Acer DW271HL User Manual
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they may touch dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill liquid of any kind onto or into
the product.
•
To avoid damage of internal components and to prevent battery leakage,
do not place the product on a vibrating surface.
•
Never use it under sporting, exercising, or any vibrating environment
which will probably cause unexpected short current or damage rotor
devices, HDD, optical drive, and even exposure risk from lithium battery
pack.
Safe listening
Follow these instructions, suggested by hearing experts, to protect your hearing.
•
Gradually increase the volume until you can hear it clearly and comfortably
and without distortion.
•
After setting the volume level, do not increase it after your ears adjust.
•
Limit the amount of time listening to music at high volume.
•
Avoid turning up the volume to block out noisy surroundings.
•
Turn the volume down if you can’t hear people speaking near you.
Product servicing
Do not attempt to service this product yourself, as opening or removing covers
may expose you to dangerous voltage points or other risks. Refer all servicing to
qualified service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service
personnel when:
•
The power cord or plug is damaged, cut or frayed.
•
Liquid was spilled into the product.
•
The product was exposed to rain or water.
•
The product has been dropped or the case has been damaged.
•
The product exhibits a distinct change in performance, indicating a need
for service.
•
The product does not operate normally after following the operating
instructions.
Note: Adjust only those controls that are covered by the operating
instructions, since improper adjustment of other controls may
result in damage and will often require extensive work by a
qualified technician to restore the product to normal condition.