User's Manual

N5603s usermanual
10
Maintenance service
No parts in the mobile phone, battery and charger can be repaired by users. It is suggested to bring
your NEC mobile phone to the maintenance site authorized by NEC for maintenance. When you
think it is necessary to ask for maintenance service, please consult with the network service provider
or NEC for details.
Non-ionic radiation
A wireless device should connect to the antenna by the non-radiation cable (coaxial-cable). The
antenna should not be installed near to the person body, except that metal shielding exists between
both of them, such as metal roof. The antenna specially designed for this mobile phone can be used.
The antenna without authorization and attached parts refitted or added by users can damage the
mobile phone or violate the related regulations, which result in performance reduce or radiation
which does not conform to related standards.
Effective use
To acquire the best performance with the least power consumption, please notice the following
regulations: when talking, please do not use the hand to cover the embedded antenna, or which may
affect the communication quality, result in the mobile phones work with the output power beyond
the normal standard and shorten the batterys communication duration and idle duration.
Radio energy
Your mobile phone is wireless transmitter and answer with low power. Once the mobile phone is
turned on, it will answer and transmit wireless signal intermittently. The network system will control
the transmitting power of the mobile phone.
Electromagnetic radiation
Your mobile phone completely conforms to the standard on the wireless radiation formulated by the nation
authoritative organization and international health associate. These limitation standards are a part of the
comprehensive rule and are composed of permitted standard for public wireless radiation. These standards are
formulated after the independent scientific organization ICNIRP (International Commission on Non-ionizing
Radiation Protection) has conducted on long-term and deep scientific research. These limiting standards contain
much security tolerance and ensure all person security, no matter what the age and health status, they also consider
the changeable factors for various kinds of measure condition.
Copyright permission
· T9 text input and T9 mark is the registered mark for Tegic Communication.
The authorization for T9 text input is as follows:
U.S.patent number :5,818,437,5,953,541,5,187,480,5,945,928,6,011,554 and 6,307,548; Australian patent
number: 727539; Canada patent number: 1,331,057; England patent number:2238414B; Hongkong patent
number: HK0940329; Singapore patent: 51383; Europe patent: 0 842 463 (96927260.8)
DE/DK,FI,FR,IT,NL,PT,ES,SE,GB; Korea patent: KR201211B1 and KR226206B1 The patent for other
nations are in the application process.
· Execution standards for mobile phone and its attached parts production
Execution standard for mobile phoneQ/NM 005
Execution standard for batteryGB/T 18287-2000
Execution standard fro chargerYD/T 998-1999