Acer Aspire 7520-5757 Руководство пользователя - Страница 5
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do not place the product on a vibrating surface.
Never use it under sporting, exercising, or any vibrating environment
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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
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and without distortion.
After setting the volume level, do not increase it afteryour ears adjust.
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Limit the amount of time listening to music at high volume.
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Avoid turning up the volume to block out noisy surroundings.
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Turn the volume down if you can't hear people speaking near you.
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Using electrical power
This product should be operated from the type of power indicated on the
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marking label. If you are not sure of the type of power available, consult
your dealer or local power company.
Do not allow anything to rest on the power cord. Do not locate this
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product where people will walk on the cord.
If an extension cord is used with this product, make sure that the total
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ampere rating of the equipment plugged into the extension cord does not
exceed the extension cord ampere rating. Also, make sure that the total
rating of all products plugged into the wall outlet does not exceed the fuse
rating.
Do not overload a power outlet, strip or receptacle by plugging in too
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many devices. The overall system load must not exceed 80% of the branch
circuit rating. If power strips are used, the load should not exceed 80% of
the power strip's input rating.
This product's power supply is equipped with a three-wire grounded plug.
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The plug only fits in a grounded power outlet. Make sure the power outlet
is properly grounded before inserting the power supply plug. Do not insert
the plug into a non-grounded power outlet. Contact your electrician for
details.
The grounding pin also provides good protection from
unexpected noise produced by other nearby electrical devices that
may interfere with the performance of this product.