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Section 15
Knowing Performance and Safety Guidelines 95
Performance
and Safety
15
15
Knowing Performance
and Safety Guidelines
art of getting the most out of your Sprint PCS
®
Phone is knowing
where and how it works at optimum efficiency. This section outlines
performance and safety guidelines that ensure you experience the full
quality your Sprint PCS Phone was designed to give you.
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 Power Save
feature is automatically activated. If your phone is on, it periodically rechecks service
availability or you can check yourself by pressing any key. Anytime the Power Save
feature is activated, a message displays on the screen. 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
10 nanowatts to 0.3 watts in digital mode.
Knowing Radio Frequency Safety
The design of your Sprint PCS 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 safety levels with respect to human exposure to RF signals. More than
120 scientists, engineers and physicians from universities, government health
agencies and industries developed this updated standard after reviewing the available
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