![background image](http://html.mh-extra.com/html/samsung/galaxy-s4-sgh-i337m/galaxy-s4-sgh-i337m_user-manual_340142201.webp)
Health and Safety 189
Section 11: Health and Safety
Getting the Most Out of Your Reception
Keeping Tabs on Signal Strength
The quality of each call you make or receive depends on the
signal strength in your area. Your phone informs you of the
current signal strength by displaying a number of bars next to
the signal strength icon. The more bars displayed, the
stronger the signal. If you’re inside a building, being near a
window may give you better reception.
Understanding How Your Phone Operates
Your phone is basically a radio transmitter and receiver. When
it’s turned on, it receives and transmits radio frequency (RF)
signals. When you use your phone, the system handling your
call controls the power level. This power can range from 0.006
watts to 0.2 watts in digital mode.
Maintaining Your Phone’s Peak Performance
There are several simple guidelines for operating your phone
properly and maintaining safe, satisfactory service.
•
Speak directly into the mouthpiece.
•
Avoid exposing your phone and accessories to rain or liquid spills. If
your phone does get wet, immediately turn the power off and
remove the battery. If it’s inoperable, return it to a dealer store or
call Customer Support for service.
Note:
For the best care of your phone, only authorized
personnel should service your phone and accessories.
Faulty service may void the warranty.
Maintaining Safe Use of and Access to
Your Phone
Failure to follow the instructions outlined may lead to serious
personal injury and possible property damage.
Using Your Phone While Driving
Talking on your phone while driving (or operating the phone
without a hands-free device) is prohibited in some
jurisdictions. Laws vary as to specific restrictions. Remember
that safety always comes first.
Summary of Contents for Galaxy S4 SGH-I337M
Page 12: ...vi ...
Page 200: ...188 ...