Using the built-in microphone, Adjusting the screen, Using the screen control buttons on the computer – Apple Macintosh LC 550 User Manual
Page 27

Using the built-in microphone
Your Macintosh comes with a built-in microphone to record live
sounds. The microphone is highly sensitive. Once you’ve tur
ned it
on (which you do with a sound-recording program), it can pick up
sounds within a range of several feet. See your
Macintosh User
’s
Guide
for infor
mation on recording sound.
s
Wa
rning:
Do not stick any small objects into the built-in
microphone. Doing so may damage your equipment.
s
Adjusting the screen
You can adjust the level of light and dark on the screen of your
built-in monitor (to change the contrast) either by using the
buttons on the front of the computer or by using the Screen
control panel.
Using the screen control buttons on the computer
To
use the screen control buttons (mark
ed with the
¸
icon) on
the computer:
n
Press the button on the top to lighten your screen.
n
Press the button on the bottom to dark
en your screen.
Screen
control buttons
Built-in
microphone
22