Panasonic CF-W4 Series Reference Manual page 132

Wireless LAN (only for models with wireless LAN)
Enable/Disable Wireless LAN Standard IEEE802.11a
In some countries, communication using IEEE802.11a (5 GHz wireless LAN) standard is
restricted by law. Comply with the laws in the country concerned. (⇒ Operating Instructions
"Read Me First")
1
Click the
(when the wireless LAN is off) on the notification area.
2
To disable IEEE802.11a:
Click [802.11a Disabled].
To enable IEEE802.11a:
Click [802.11a Enabled].
To use IEEE802.11a, turn the wireless LAN on.
If IEEE802.11a is enabled or disabled while the computer is connected to an
IEEE802.11b/g access point, the connection to the access point will be
temporarily interrupted.
Note that when IEEE802.11a is enabled/disabled by using the Wireless LAN Switch
after settings have been changed using "Device Manager"
using the following standards will be conducted.
Settings in Device Manager
[802.11a, 802.11b and 802.11g] or
[802.11b and 802.11g]
[802.11g only] or [802.11a and 802.11g]
[802.11a only] or [802.11b only]
*1
In addition to using the Wireless LAN Switch utility, you can also change the setting of the wireless
LAN standard by the following procedure:
icon (when the wireless LAN is on) or the
Settings in Wireless LAN Switch Utility
When IEEE802.11a is
enabled
a+b+g is enabled
a+g is enabled
a is enabled
132
icon
*1
, communications
When IEEE802.11a is
disabled
b+g is enabled
g is enabled
b is enabled