LG LG730 - Manual (Page 81)

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Safety
 When using headphones, turn the volume down if you cannot hear
the people speaking near you or if the person sitting next to you can
hear what you are listening to.
 Do not turn the volume up to block out noisy surroundings. If you
choose to listen to your portable device in a noisy environment, use
noise-cancelling headphones to block out background environmental
noise.
 Limit the amount of time you listen. As the volume increases, less
time is required before your hearing could be affected.
 Avoid using headphones after exposure to extremely loud noises, such
as rock concerts, that might cause temporary hearing loss. Temporary
hearing loss might cause unsafe volumes to sound normal.
 Do not listen at any volume that causes you discomfort. If you
experience ringing in your ears, hear muffled speech or experience
any temporary hearing difficulty after listening to your portable audio
device, discontinue use and consult your doctor.
TIA Safety Information
The following is the complete TIA Safety Information for wireless handheld
phones.
Exposure to Radio Frequency Signal
Your wireless handheld portable phone is a low power radio transmitter and
receiver. When ON, it receives and sends out Radio Frequency (RF) signals.
In August, 1996, the Federal Communications Commissions (FCC) adopted
RF exposure guidelines with safety levels for handheld wireless phones.
Those guidelines are consistent with the safety standards previously set by
both U.S. and international standards bodies:
1. ANSI C95.1 (1992) *
2. NCRP Report 86 (1986)
3. ICNIRP (1996)