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noise and feedback are diminished. The HAC setting improves
only the calls you listen to through the earpiece. It does not
affect calls heard on the speaker or with a headset. HAC
requires extra battery power, so watch your battery
consumption when it's turned on.
CAUTION:
Do not turn on the HAC setting unless you use a hearing aid
with a telecoil. Using this setting without a hearing aid or with a
hearing aid without a telecoil may be harmful to your hearing.
Distraction
Driving
Full attention must be given to driving at all times in order to
reduce the risk of an accident. Using a phone while driving (even
with a hands free kit) can cause distraction and lead to an
accident. You must comply with local laws and regulations
restricting the use of wireless devices while driving.
Operating Machinery
Full attention must be given to operating the machinery in
order to reduce the risk of an accident.