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 controlsthe power level. This power can range from 0.006 watts to 0.2watts in digital mode.Maintaining Your Phone's Peak Performance• Speak directly into the phone's receiver.• If your phone has a SIM or memory card: (i) handle the SIM or memorycard with care, (ii) do not remove a card while the phone is transferringor accessing information, as this could result in loss of data and/ordamage to the card of phone, (iii) protect cards from strong shocks,static electricity, and electrical noise from other devices, and (iv) donot touch gold-colored contacts or terminals with your fingers or metalobjects (if dirty, wipe the card with a soft cloth).r580.book Page 86 Thursday, October 28, 2010 12:45 PM
