Gateway C-140S Reference Manual page 37

www.gateway.com
Press and hold
F , then press
N
this system key...
OR
To...
Decrease the brightness of the display.
Mute the sound. Press the key combination
again to restore the sound. For more
information, see "Adjusting the volume" on
page 47.
Increase volume. For more information, see
"Adjusting the volume" on page
Decrease volume. For more information,
see "Adjusting the volume" on page
47.
47.
29