Apple MC505LL/A User Manual - Page 60

Important Handling Information, Using the battery, Avoiding hearing damage, High-risk activities

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Using the battery Discontinue use of your battery if it has been dropped, crushed, bent, or deformed. Do not expose the battery to temperatures above 212° F or 100° C. Do not remove the battery from your MacBook Air. The battery should be replaced only by an Apple Authorized Service Provider. Avoiding hearing damage Permanent hearing loss may occur if earbuds or headphones are used at high volume. You can adapt over time to a higher volume of sound that may sound normal but can be damaging to your hearing. If you experience ringing in your ears or muffled speech, stop listening and have your hearing checked. The louder the volume, the less time is required before your hearing could be affected. Hearing experts suggest that to protect your hearing: Â Limit the amount of time you use earbuds or headphones at high volume. Â Avoid turning up the volume to block out noisy surroundings. Â Turn the volume down if you can't hear people speaking near you. High-risk activities This computer system is not intended for use in the operation of nuclear facilities, aircraft navigation or communications systems, air traffic control systems, or for any other uses where the failure of the computer system could lead to death, personal injury, or severe environmental damage. Important Handling Information NOTICE: Failure to follow these handling instructions could result in damage to your MacBook Air or other property. 60 Chapter 4 Last, but Not Least

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60
Chapter 4
Last, but Not Least
Using the battery
Discontinue use of your battery if it has been dropped, crushed,
bent, or deformed. Do not expose the battery to temperatures above 212° F or 100° C.
Do not remove the battery from your MacBook Air. The battery should be replaced
only by an Apple Authorized Service Provider.
Avoiding hearing damage
Permanent hearing loss may occur if earbuds or
headphones are used at high volume. You can adapt over time to a higher volume of
sound that may sound normal but can be damaging to your hearing. If you experience
ringing in your ears or muffled speech, stop listening and have your hearing checked.
The louder the volume, the less time is required before your hearing could be affected.
Hearing experts suggest that to protect your hearing:
Â
Limit the amount of time you use earbuds or headphones at high volume.
Â
Avoid turning up the volume to block out noisy surroundings.
Â
Turn the volume down if you can’t hear people speaking near you.
High-risk activities
This computer system is not intended for use in the operation of
nuclear facilities, aircraft navigation or communications systems, air traffic control
systems, or for any other uses where the failure of the computer system could lead to
death, personal injury, or severe environmental damage.
I
mportant
H
andling
I
nformation
NOTICE:
Failure to follow these handling instructions could result in damage to your
MacBook Air or other property.