22.
Data transmission
This device employs the data transmission capabilities of the GSM network to send multimedia messages, short messages and
e mail, and to establish connections with remote computers, for example.
Wireless data connections can be made from most locations where your device operates, but it is recommended that you move
the device to a location where the strongest possible wireless signal can be obtained. When the signal is strong, data
transmission is efficient. Wireless data communications may perform differently from data communications transmitted over
wires. This is due to the inherent characteristics of the wireless environment. Wireless connections may experience "noise", low
or lost signals, and distortions.
Noise
Radio interference from electronic appliances and equipment, as well as from other phones may affect the quality of wireless
data transmission.
Roaming
As the device user moves from one network cell coverage area to another, the signal strength of the channel may drop. The
network may hand over the user to a coverage area and frequency where the signal is stronger. Network roaming may also
occur when the user is stationary, due to varying network traffic loads. Such roaming may cause slight delays in transmission.
Electrostatic discharge
A discharge of static electricity from a finger or a conductor may cause erroneous functions in electrical devices. The discharge
may result in distorted display and unstable software operation. Wireless connections may become unreliable, data may become
corrupted, and transmission halted. In this case you need to end the existing call (if any), switch off the device (if on) and remove
the battery. Then replace the battery and establish a new wireless connection.
Dead spots and dropouts
Dead spots are areas where radio signals cannot be received. Dropouts occur when the device user passes through an area
where the radio signal is blocked or reduced by geographical features or large structures.
Signal impairment
Distance and obstacles can cause signals to become out of phase. They can also cause reflected signals. Both situations result
in a loss of signal strength.
Low signal strength
Due to either distance or obstacles, the radio signal strength from a cell site may not be strong enough or stable enough to
provide a reliable data connection for communication. Therefore, to ensure the best possible communication, remember the
following points:
  The data connection works best when the device is in a stationary position. Attempting wireless data communication while
in a moving vehicle is not recommended.
  Do not place the device on a metal surface.
  Check on the device display that the signal strength is sufficient. Moving the device within a room, especially towards a
window, may result in a stronger signal. If a signal is not strong enough to support a voice call, data connection should not
be attempted until you can find a location with better signal reception.
Copyright   2005 Nokia. All Rights Reserved.
100





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