71Emergency CallsIMPORTANT!This phone, like any cellular phone, operates by using radio sig-nals, cellular and landline networks, as well as user- programmedfunctions which cannot guarantee connection in all conditions.Therefore, you should never rely solely upon any cellular phone foressential communications (e.g. medical emergencies).Remember, to make or receive any calls, the phone must beswitched on and in a service area with adequate cellular signalstrength. Emergency calls may not be possible on all cellularphone networks or when certain network services and/or phonefeatures are in use. Check with local cellular service providers.Making an Emergency Call1) If the phone is not on, switch it on by pressing andholding the 3:5 key.2) Press and hold &/5 to clear the display.3) Enter the emergency number for your present loca-tion (e.g., 911 or another official emergency number).Emergency numbers vary by location.4) Press 6(1'.If certain features are in use (e.g., Keyguard), you may first need toturn these off before you can make an emergency call. Consult thisdocument and your local service provider.When making an emergency call, remember to give all the neces-sary information as accurately as possible. Remember that yourcellular phone may be the only means of communication at thescene of an accident. Do not end the call until given permission todo so.Radio Frequency (RF) SignalsYour wireless handheld portable telephone is a low power radiotransmitter and receiver. When it is ON, it receives and also sendsout radio frequency (RF) signals.