System information

Audio and Video
Hardware Guide 6–3
Using the Stereo Speaker/Headphone Jack
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WARNING: To reduce the risk of personal injury, adjust the volume
before putting on headphones or a headset.
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CAUTION: To prevent possible damage to an external device, do
not plug a single-sound channel (monaural) connector into the
stereo speaker/headphone (line-out) jack.
When connecting a device to the stereo speaker/headphone
(line-out) jack:
■ Use only a 3.5-mm stereo plug.
■ For best sound quality, use 24-ohm to 32-ohm headphones.
When an external audio device is connected to the stereo
speaker/headphone (line-out) jack, the notebook stereo speakers
are disabled.
Adjusting Volume
To adjust volume, use any of the following controls:
■ Notebook volume buttons
❏ To increase volume, press the right button.
❏ To decrease volume, press the left button.
❏ To mute or restore volume, press both buttons
simultaneously.
■ Keyboard Fn+F5 hotkeys
❏ To increase or decrease volume, press Fn+F5, then
move the slide bar on the screen or press the keyboard
arrow keys.
❏ To mute or restore volume, toggle Fn+F5+M. Or, press
Fn+F5, then select or clear the Mute check box.
■ Windows Volume Control
279360-002.book Page 3 Friday, December 13, 2002 2:11 PM