Toshiba PLL23U-00U01C User Manual - Page 59

Using the microphone, Wireless communications, Wireless LAN

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Operating Basics Using the microphone You can use the built-in or an external microphone that connects to the microphone jack to record monaural sounds into your applications. It can also be used to issue voice commands to applications that support such functions. Since your computer has a microphone and speaker, "feedback" may be heard under certain conditions. Feedback occurs when sound from the speaker is picked up in the microphone and amplified back to the speaker, which amplifies it again to the microphone. This feedback occurs repeatedly and causes a very loud, high-pitched noise. It is a common phenomenon that occurs in any sound system when the microphone input is output to the speaker (throughput) and the speaker volume is too loud or too close to the microphone. You can control throughput by adjusting the volume of your speaker or through the Mute function in the Master Volume panel. Refer to your Windows documentation for details on using the Master Volume panel. Wireless communications The computer's wireless communication function supports both Wireless LAN and Bluetooth devices. Wireless LAN The Wireless LAN is compatible with other LAN systems based on Direct Sequence Spread Spectrum/Orthogonal Frequency Division Multiplexing radio technology that complies with the IEEE802.11 Wireless LAN standard. ■ Frequency Channel Selection of 2.4GHz for 802.11bg or n draft 2.0 ■ Roaming over multiple channels ■ Card power management ■ Wired Equivalent Privacy (WEP) data encryption based on an 128-bit encryption algorithm ■ Wi-Fi Protected Access™ (WPA™) support ■ Advanced Encryption Standard (AES) data encryption ■ The transmission speed over the wireless LAN, and the distance over which the wireless LAN can reach, may vary depending on surrounding electromagnetic environment, obstacles, access point design and configuration, client design and software/hardware configurations. The transmission rate described is the theoretical maximum speed as specified under the appropriate standard - the actual transmission speed will be lower than the theoretical maximum speed. ■ To enable or disable wireless communication, use the Hot Key FN + F8. For more information see the Hot keys section in Chapter 5. User's Manual 4-8

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User’s Manual
4-8
Operating Basics
Using the microphone
You can use the built-in or an external microphone that connects to the
microphone jack to record monaural sounds into your applications. It can
also be used to issue voice commands to applications that support such
functions. Since your computer has a microphone and speaker, “feedback”
may be heard under certain conditions. Feedback occurs when sound from
the speaker is picked up in the microphone and amplified back to the
speaker, which amplifies it again to the microphone.
This feedback occurs repeatedly and causes a very loud, high-pitched
noise. It is a common phenomenon that occurs in any sound system when
the microphone input is output to the speaker (throughput) and the speaker
volume is too loud or too close to the microphone. You can control
throughput by adjusting the volume of your speaker or through the Mute
function in the Master Volume panel. Refer to your Windows documentation
for details on using the Master Volume panel.
Wireless communications
The computer's wireless communication function supports both Wireless
LAN and Bluetooth devices.
Wireless LAN
The Wireless LAN is compatible with other LAN systems based on Direct
Sequence Spread Spectrum/Orthogonal Frequency Division Multiplexing
radio technology that complies with the IEEE802.11 Wireless LAN
standard.
■
Frequency Channel Selection of 2.4GHz for 802.11bg or n draft 2.0
■
Roaming over multiple channels
■
Card power management
■
Wired Equivalent Privacy (WEP) data encryption based on an 128-bit
encryption algorithm
■
Wi-Fi Protected Access™ (WPA™) support
■
Advanced Encryption Standard (AES) data encryption
■
The transmission speed over the wireless LAN, and the distance over
which the wireless LAN can reach, may vary depending on
surrounding electromagnetic environment, obstacles, access point
design and configuration, client design and software/hardware
configurations. The transmission rate described is the theoretical
maximum speed as specified under the appropriate standard - the
actual transmission speed will be lower than the theoretical maximum
speed.
■
To enable or disable wireless communication, use the Hot Key
FN
+
F8
.
For more information see the
Hot keys
section in Chapter 5.