Samsung SPH-I300, User Manual

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Section 24
268 Performance 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 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 Power Save Feature
If your phone is unable to find a signal after 15 minutes of
searching, a powersave feature is automatically activated. If
your phone is on, it periodically rechecks service availability or
you can check yourself by pressing any key. When a signal is
found, your phone returns to Standby mode.
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.
Knowing Radio Frequency Safety
The design of your phone complies with updated NCRP
standards described below.
In 1991-92, the Institute of Electrical and Electronics
Engineers (IEEE) and the American National Standards
Institute (ANSI) joined in updating ANSI’s 1982 standard for