248 Section 4A: SafetyGetting the Most Out of Your ReceptionKeeping Tabs on Signal StrengthThe quality of each call you make or receive depends on the signalstrength in your area. Your phone informs you of the current signalstrength by displaying a number of bars next to the signal strengthicon. The more bars displayed, the stronger the signal. If you’re insidea building, being near a window may give you better reception.Understanding the Power Save FeatureIf your phone is unable to find a signal after 15 minutes of searching,a Power Save feature is automatically activated. If your phone isactive, it periodically rechecks service availability; you can also checkit yourself by pressing any key. Any time the Power Save feature isactivated, a message is displayed on the screen. When a signal isfound, your phone returns to standby mode.Understanding How Your Phone OperatesYour phone is basically a radio transmitter and receiver. When it’sturned on, it receives and transmits radio frequency (RF) signals.When you use your phone, the system handling your call controls thepower level. This power can range from 0.006 watts to 0.2 watts indigital mode.Knowing Radio Frequency SafetyThe design of your Sprint PCS Phone complies with updated NCRPstandards described below.In 1991-92, the Institute of Electrical and Electronics Engineers (IEEE)and the American National Standards Institute (ANSI) joined inupdating ANSI’s 1982 standard for safety levels with respect tohuman exposure to RF signals. More than 120 scientists, engineersand physicians from universities, government health agencies andindustries developed this updated standard after reviewing theavailable body of research. In 1993, the Federal CommunicationsCommission (FCC) adopted this updated standard in a regulation. InAugust 1996, the FCC adopted hybrid standard consisting of the