- Lenovo User Guide Desktop Computer 2283, 6274

Chapter 3. Operating and caring for your computer 21
— If you double-click the speaker icon, a master volume-control window
opens. You can use the settings in the window to control individually the
volume for each type of audio format.
• If you are using a Rapid Access keyboard, you can also adjust the software
volume control through the volume-control button located at the top-right
corner of the keyboard.
Recording and playing back sound
Procedures for recording and playing back sound vary fromprogram to program.
One method of recording sound is to use the Sound Recorder program provided
with your operating system. Refer to your operating-system documentation for
information and instructions.
Note: If you experience interference or speaker feedback while recording, try
reducing the microphone recording volume (gain).
Using power-management features
Your computer supports the Standby feature. This feature lets the computer enter
a low-powerstateto conserve energy. You can putthe computer in Standby mode
in three ways:
• Using the Windows Start menu
• Using the Standby button on the Rapid Access keyboard
• Using the power button
When the computer goes into standby mode, programs that are running go into a
suspended state, but are not shut down. The monitor screen goes blank, and the
power/standby indicatoron the computerflashesto indicate that the computeris
in Standby mode.