Samsung SCH N391 - Manual (Page 69)

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Emergency Calls
This phone, like any wireless phone, operates using
radio signals, wireless and landline networks as well
as user-programmed functions, which cannot
guarantee connection in all conditions. Therefore, you
should never rely solely on any wireless phone for
essential communications (medical emergencies, for
example).
Remember, to make or receive any calls the phone
must be switched on and in a service area with
adequate signal strength. Emergency calls may not be
possible on all wireless phone networks or when
certain network services and/or phone features are in
use. Check with local service providers.
To make an emergency call, proceed as follows.
1. If the phone is not on, switch it on.
2. Key in the emergency number for your present
location (for example, 111 or any other official
emergency number). Emergency numbers vary by
location.
3. Press the key.
If certain features are in use (call barring, for example),
you may first need to deactivate those features before
you can make an emergency call. Consult this
document and your local cellular service provider.
When making an emergency call, remember to give all
the necessary information as accurately as possible.
Remember that your phone may be the only means of
communication at the scene of an accident; do not cut
off the call until given permission to do so.
Potentially Explosive Environment
Switch off your phone when in any area with a
potentially explosive atmosphere and obey all signs
and instructions. Sparks in such areas could cause an
explosion or fire resulting in bodily injury or even
death.
Users are advised to switch off the phone while at a
refuelling point (service station). Users are reminded of
the need to observe restrictions on the use of radio
equipment in fuel depots (fuel storage and distribution
areas), chemical plants or where blasting operations
are in progress.
Areas with a potentially explosive atmosphere are
often but not always clearly marked. They include
below deck on boats, chemical transfer or storage
facilities, vehicles using liquefied petroleum gas (such
as propane or butane), areas where the air contains
chemicals or particles, such as grain, dust or metal
powders, and any other area where you would
normally be advised to turn off your vehicle.