eMachines Notebooks User Manual page 29

See the following table for definitions of the special function keys.
Fn + F2
Fn + F3
Fn + F4
Fn + F7
Fn + F8
Fn + F9
Fn + F10
Fn + F11
Fn + F12
To use a special function key, press and hold down the Fn
key, press the key with the desired image on it, and then
release both keys.
wireless network card (select models only): toggle on/off
Sleep mode: toggle on/off
display: toggle in the following order
notebook display (default)
external monitor (if connected)
both the notebook display and the external monitor
(if an external monitor is connected)
S-Video (if connected)
display: decrease brightness
display: increase brightness
CD/DVD: play/pause
CD/DVD: stop
CD/DVD: play previous track
CD/DVD: play next track
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getting started