Where is the switch to turn on wireless capability on aser aspire 57396?

Enabling your wireless devices:
The Launch Manager allows you to enable and disable the various wireless
connectivity devices on your computer.
Press <Fn> + <F3> to bring up the Launch Manager
window panel.
A red toggle indicates the device is off.
• Click the red toggle to turn the device on.
A green toggle indicates the device is on.
• Click the green toggle to turn the device off.