Wireless LAN Function
47
For better communications
Some of major features are listed below.
This personal computer may not operate prop-
erly according to the particular operating envi-
ronment. Strictly observe the following precau-
tions when installing the main unit of the compu-
ter:
• Since this personal computer and equipment
compliant with IEEE802.11a differ in opera-
tion frequency, it is not possible to communi-
cate between both. Be careful of this.
• The recommended wireless communications
distance is within a line-of-sight radius of 25
meters. For reasons related to the charac-
teristics of the wireless LAN, however, the
actual communications distance depends on
the structure or materials type of building in
which the wireless LAN function is to be used,
the presence/absence of obstructions, the
types of software to be used, installation sta-
tus, radio-wave status, or other operating con-
ditions. Decreases in communications speed
or a communications failure may also occur.
• Distance the main unit of this personal com-
puter from other electric appliances. If the
main unit of the person computer is installed
near a powered-on electric appliance, the
computer may not be able to communicate
properly or trouble may occur in the electric
appliance.
If the computer is unable to communicate
properly, change the channel to be used or
the installation location. During the use of a
microwave oven or other equipment generat-
ing strong high-frequency energy, in particu-
lar, the personal computer may be highly sus-
ceptible to the energy and unable to commu-
nicate properly.
• If a broadcasting station or wireless commu-
nications equipment is present nearby and
this prevents the computer from communicat-
ing properly, moving the main unit of the com-
puter is suggested. Radio interference may
also occur if the intensity of ambient radio
waves is too high.
• About radio interference with the
Bluetooth™
Since the Bluetooth™ and the wireless LAN
operate at the same frequency (2.4 GHz), if
the BluetoothTM is used near the main unit
of this personal computer, radio interference
may occur, leading to decreases in
communications speed or to a connection
failure. If these events actually occur,
undertake the following countermeasures:
– Space the Bluetooth™ and the main unit
of the personal computer by a distance
of at least 10 meters.
– Within a distance of 10 meters, turn off
the power of either the Bluetooth™ or
the main unit of the personal computer.
LB_Railto 08 (39-48) 21/5/03, 2:11 PM47
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