Lenovo ThinkPad T40 (Greek) Service and Troubleshooting guide for the ThinkPad - Page 71

Enabling, Extended, Channel

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Access Point that is Wi-Fi compliant or in Ad Hoc mode, this device will operate in its authorized modes in all geographies. Please reconfigure selected frequencies when you travel from one country to another. Enabling Extended Channel Mode The statement below regarding the extended channel mode is applicable when the system supports this function. To check the support of this function, please see the property of the installed wireless card by referring to the extended channel mode enablement instruction. In countries other than the United States and Canada, extra IEEE 802.11b channels may be supported. If you have a problem to connect an Access Point, please contact your system administrator or check your Access Point to know which channel is used. And if the 802.11b channel is 12 or greater, you will need to enable "Extended Channel Mode" with next steps. 1. Start Windows 2000/XP. Logon with administrative privileges. 2. Right mouse click on My computer on Desktop and select Property. 3. Click on Hardware Tab and push Device Manager Button. 4. Double-click on Network Adapter, locate a wireless adapter device, right mouse click on the device and select Property. 5. Click on Advanced Tab. 6. Select "Extended Channel Mode" and set the value to "Enable". Note: This will be applied for systems with 802.11b wireless function supporting Extended Channel Mode. Appendix A. Wireless related information 49

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Access
Point
that
is
Wi-Fi
compliant
or
in
Ad
Hoc
mode,
this
device
will
operate
in
its
authorized
modes
in
all
geographies.
Please
reconfigure
selected
frequencies
when
you
travel
from
one
country
to
another.
Enabling
Extended
Channel
Mode
The
statement
below
regarding
the
extended
channel
mode
is
applicable
when
the
system
supports
this
function.
To
check
the
support
of
this
function,
please
see
the
property
of
the
installed
wireless
card
by
referring
to
the
extended
channel
mode
enablement
instruction.
In
countries
other
than
the
United
States
and
Canada,
extra
IEEE
802.11b
channels
may
be
supported.
If
you
have
a
problem
to
connect
an
Access
Point,
please
contact
your
system
administrator
or
check
your
Access
Point
to
know
which
channel
is
used.
And
if
the
802.11b
channel
is
12
or
greater,
you
will
need
to
enable
“
Extended
Channel
Mode
”
with
next
steps.
1.
Start
Windows
2000/XP.
Logon
with
administrative
privileges.
2.
Right
mouse
click
on
My
computer
on
Desktop
and
select
Property.
3.
Click
on
Hardware
Tab
and
push
Device
Manager
Button.
4.
Double-click
on
Network
Adapter,
locate
a
wireless
adapter
device,
right
mouse
click
on
the
device
and
select
Property.
5.
Click
on
Advanced
Tab.
6.
Select
“
Extended
Channel
Mode
”
and
set
the
value
to
“
Enable
”
.
Note:
This
will
be
applied
for
systems
with
802.11b
wireless
function
supporting
Extended
Channel
Mode.
Appendix
A.
Wireless
related
information
49