Lenovo PC 300PL Using your Personal Computer - PC300PL - 6562 - Page 39

Using System-Management Features

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Audio Line Out: Use this jack to send audio signals from the computer to external devices, such as stereo speakers with built-in amplifiers, multimedia keyboards, or the line-in receptacle of your stereo system. Audio Line In: Use this jack to send audio signals from an external device (such as a CD player or stereo) to your computer so that the signals can be recorded on the hard disk. Headphone: Use this jack to connect headphones or small bookshelf speakers to your computer. The speakers must have built-in amplifiers). If headphones are inserted in the jack, the computer built-in speaker is muted (except for system beeps). Microphone: Use this jack to connect a microphone to your PC so that you can record your voice or other sounds on the hard disk. This jack can also be used by speech recognition software. Your computer also has a volume control dial that adjusts the sound level for the headphone jack and built-in speaker. Microphone Volume Headphone Procedures for recording and playing back sound vary by operating system. Refer to your operating-system documentation for information and instructions. Using System-Management Features This section is intended primarily for network administrators. It describes features of your computer that make it possible for a network administrator to remotely manage and control your PC when it is linked to a network. The BIOS (basic input output system) of your computer supports an interface called DMI (Desktop Management Interface). DMI is software used to gather information about the hardware and software in your computer so that network administrators Chapter 3. Operating Your Personal Computer 25

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±
Audio Line Out:
Use this jack to send audio signals from the computer to
external devices, such as stereo speakers with built-in amplifiers, multimedia
keyboards, or the line-in receptacle of your stereo system.
±
Audio Line In:
Use this jack to send audio signals from an external device
(such as a CD player or stereo) to your computer so that the signals can be
recorded on the hard disk.
±
Headphone:
Use this jack to connect headphones or small bookshelf speakers
to your computer.
The speakers must have built-in amplifiers).
If headphones
are inserted in the jack, the computer built-in speaker is muted (except for
system beeps).
±
Microphone:
Use this jack to connect a microphone to your PC so that you can
record your voice or other sounds on the hard disk.
This jack can also be used
by speech recognition software.
Your computer also has a volume control dial that adjusts the sound level for the
headphone jack and built-in speaker.
Headphone
Microphone
Volume
Procedures for recording and playing back sound vary by operating system.
Refer
to your operating-system documentation for information and instructions.
Using System-Management Features
This section is intended primarily for network administrators.
It describes features
of your computer that make it possible for a network administrator to remotely
manage and control your PC when it is linked to a network.
The BIOS (basic input output system) of your computer supports an interface called
DMI (Desktop Management Interface).
DMI is software used to gather information
about the hardware and software in your computer so that network administrators
Chapter
3.
Operating Your Personal Computer
25