Panasonic CF-19 Series Supplementary Instructions Manual page 7

NOTE
To use wireless communication, set the wireless device setting
([Wireless LAN] / [Bluetooth] / [Wireless WAN]) to [Enable] (default) in
the [Advanced] menu of the Setup Utility.
It may take some time to turn off wireless communication after
switching the wireless switch to off.
Do not turn on/off the switch repeatedly at too short intervals.
Do not restart, log off, or enter standby or hibernation immediately after
turning on/off the switch.
Do not turn on/off the switch while Windows is starting up.
When you set [Wireless Switch] to [Disable] in the [Advanced]
menu of the Setup Utility (
computer "Wireless Switch Utility" or "Disabling/Enabling Wireless
Communication"), the Wireless Switch Utility icon will not appear in
the notification area. All wireless equipment (Wireless LAN, Bluetooth,
Wireless WAN) will remain ready irrespective of the wireless switch
setting.
. .To.check.the.wireless.communication.status
Place the cursor over the Wireless Switch Utility icon (
notification area. A tooltip appears.
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