Acer Altos R920 Series, Руководство пользователя

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• Use the product only with the supplied power supply cord set. If you need
to replace the power cord set, make sure that the new power cord meets
the following requirements: detachable type, UL listed/CSA certified, type
SPT-2, rated 7 A 125 V minimum, VDE approved or its equivalent, 4.6
meters (15 feet) maximum length.
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.