87Usage guidelines:all about performance and safetyUnderstanding Signal StrengthThe quality of each call you make or receive, is dependentupon the signal strength in your area. Your phone informs youof the current signal strength by displaying a icon. The morebars displayed, the stronger the signal. The signal strengthindicator ( ) displays in the upper left corner of your displayscreen. The voice quality of your phone is always clearestwhen the antenna is fully raised. If you’re inside a building,reception may be better near a window.Understanding the Power Save ModeIf you are trying to use your phone in an area where thesignal is too weak, the Power Save feature automaticallyactivates to conserve battery power when you have beenunable to pick up a signal for 15 minutes. If your phone is on,it periodically rechecks service availability. To manuallycheck, press any key. A message is displayed on the screenany time you activate Power Save. When a signal is found,your phone returns to standby mode.Understanding how Your Phone OperatesYour phone is basically a radio transmitter and receiver.When it is turned on, it receives and transmits radiofrequency (RF) signals. When your phone is in use, thesystem handling your call controls the power level. Thispower can range from 0.6 watts to 0.2 watts in digital mode.Specifications are Subject to ChangeThe information contained in this manual is believed to becorrect at the time of printing, however, Samsung reservesn400bmc version 2.book Page 87 Wednesday, May 14, 2003 3:30 PM