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UART
Universal Asynchronous Receiver & Transmitter
URC
Unsolicited Result Code
USSD
Unstructured Supplementary Service Data
Phonebook abbreviations
FD
SIM fix dialing phonebook
LD
SIM last dialing phonebook (list of numbers most recently dialed)
MC
Mobile Equipment list of unanswered MT calls (missed calls)
ON
SIM (or ME) own numbers (MSISDNs) list
RC
Mobile Equipment list of received calls
SM
SIM phonebook
NC
Not connect
C. Safety Caution
Table 16: Safety caution
Marks
Requirements
When in a hospital or other health care facility, observe the restrictions about the use of
mobiles. Switch the cellular terminal or mobile off, medical equipment may be sensitive to
not operate normally for RF energy interference.
Switch off the cellular terminal or mobile before boarding an aircraft. Make sure it is
switched off. The operation of wireless appliances in an aircraft is forbidden to prevent
interference with communication systems. Forget to think much of these instructions may
lead to the flight safety or offend against local legal action, or both.
Do not operate the cellular terminal or mobile in the presence of flammable gases or fumes.
Switch off the cellular terminal when you are near petrol stations, fuel depots, chemical
plants or where blasting operations are in progress. Operation of any electrical equipment in
potentially explosive atmospheres can constitute a safety hazard.
Your cellular terminal or mobile receives and transmits radio frequency energy while
switched on. RF interference can occur if it is used close to TV sets, radios, computers or
other electric equipment.
Road safety comes first! Do not use a hand-held cellular terminal or mobile when driving a
vehicle, unless it is securely mounted in a holder for hands free operation. Before making a
call with a hand-held terminal or mobile, park the vehicle.
WCDMA cellular terminals or mobiles operate over radio frequency signals and cellular
networks and cannot be guaranteed to connect in all conditions, for example no mobile fee
or a invalid SIM card. While you are in this condition and need emergent help, please
remember using emergency calls. In order to make or receive calls, the cellular terminal or
