Compaq Evo n400c Compaq Evo Notebook N400c Hardware Guide - Page 68

Connecting a Stereo Speaker/Headphone, Audio Components

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Audio and Video Audio Components Feature 1 Speaker 2 Volume buttons (2) 3 Stereo speaker/headphone jack 4 Microphone jack 5 Microphone Function Provides audio playback of multimedia applications. When using the computer in a Mobile Expansion Unit (MEU), the speaker may be disabled and system sounds played through the speakers on the MEU. Consult the documentation included with the MEU for additional information. Adjust or mute the system volume. Connects stereo speakers, headphones, or a headset to the computer Supports a single sound channel (monaural) microphone with a 3.5-mm plug Supports audio input when the display is open and has a standard sensitivity of -50dB Connecting a Stereo Speaker/Headphone When connecting a device to the stereo speaker/headphone jack: s Use only a 3.5-mm stereo plug. s Use 32-ohm headphones and at least 8-ohm external speakers for best sound quality. s The stereo speaker/headphone jack disables the computer speaker when an external audio device is plugged into the jack. 6-2 Hardware Guide

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6–2
Hardware Guide
Audio and Video
Connecting a Stereo Speaker/Headphone
When connecting a device to the stereo speaker/headphone jack:
■
Use only a 3.5-mm stereo plug.
■
Use 32-ohm headphones and at least 8-ohm external speakers
for best sound quality.
■
The stereo speaker/headphone jack disables the computer
speaker when an external audio device is plugged into the
jack.
Audio Components
Feature
Function
1
Speaker
Provides audio playback of
multimedia applications. When
using the computer in a Mobile
Expansion Unit (MEU), the speaker
may be disabled and system sounds
played through the speakers on the
MEU. Consult the documentation
included with the MEU for additional
information.
2
Volume buttons (2)
Adjust or mute the system volume.
3
Stereo speaker/headphone
jack
Connects stereo speakers,
headphones, or a headset to the
computer
4
Microphone jack
Supports a single sound channel
(monaural) microphone with a
3.5-mm plug
5
Microphone
Supports audio input when the
display is open and has a standard
sensitivity of -50dB