Lenovo ThinkPad Edge E420 Hardware Maintenance Manual page 56

Table 7. Special keys (continued)
Description
Special key
Wireless radio control Press this key to enable or disable the built-in wireless networking features. When you
(F9)
press this key, a list of wireless features is displayed. You can quickly change the state of
each feature on the list.
Notes: If you want to use this button to enable or disable the wireless features, the following
device drivers must be installed on your computer beforehand:
• Power Management driver
• OnScreen Display Utility
• Wireless device drivers
Previous track/scene Use these keys for multimedia control.
(F10)
Play/Pause (F11)
Next track/scene
(F12)
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