IBM Aptiva, Руководство пользователя

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16 Chapter 2: Getting started with your Aptiva computer
The multimedia software volume controls are located in
the multimedia mixer programs.
Adjusting the headphone
volume
You may be able to plug headphones into the
headphone jack on the CD-ROM drive (not available on
all systems) or into the
Out jack on the sound card on
the back of the computer’s system unit.
•
On some IBM Aptiva PCs, a headphone jack and a
volume control are located on the CD-ROM drive on
the front of the computer’s system unit.
When your headphones are plugged into the
headphone jack on the CD-ROM drive, they will pick
up only the sound coming from an ordinary audio
CD in the CD-ROM drive. The headphones will not
pick up other sounds generated from your computer
or any external device connected to the computer,
such as a MIDI (Musical Instrument Digital Interface)
keyboard.
Volume Control Eject
Headphone Jack Busy Light
When your headphones are plugged into this jack,
use the volume control on the CD-ROM drive to
adjust the volume of the headphones. This volume
control adjusts the volume of the headphones, but
not the speakers. If you want to turn the speaker
volume down while using the headphones, use the
volume control on the speaker.
•
On all models of the IBM Aptiva PC, the headphones
can be plugged into the
Out jack on the sound card
on the back of the system unit. This is the same jack
you plug your speakers into. You must disconnect
your speakers to use this jack with your
headphones.
If you plug your headphones into the jack on the
sound card, the headphones will pick up all sounds
generated from your computer and any external
devices connected to the computer, such as a MIDI
(musical) keyboard. The headphones will also pick
up sound coming from a CD in the CD-ROM drive.
note:
When your headphones are plugged into the jack on
the sound card, you must control the headphone
volume through the volume control in the multimedia
software on your computer. You cannot control the
headphone volume from the volume control on the
CD-ROM drive.
When using this jack, a few sounds may not be audible
through the headphones, such as the beep when you
turn on your computer.