Using Audio Features - Lenovo ThinkPad Edge E145 User Manual

5. Set the resolution for the secondary display.
6. Click Advanced settings and set up the color quality on the Monitor tab.
7. Click OK to apply the changes.
Considerations for using the Extend desktop function
• If you want to show DOS full-screen while in the Extend desktop mode, only the primary display shows
DOS; the other display is blacked out.
• You can designate the other display as the primary display by doing the following:
1. Right-click on the desktop, then select Screen resolution.
2. Select Extend these displays in Multiple Displays.
3. Change the setting to designate the primary display.
• When a program using DirectDraw or Direct3D is played in full-screen mode, it is shown only on the
primary display.
• You cannot use the display switching function when you are in the Extend desktop mode.

Using audio features

Your computer is equipped with the following:
• Microphone
• Speakers
• Combo audio connector, 3.5 mm (0.14 inch) in diameter
Your computer also has an audio chip that enables you to enjoy various multimedia audio features:
• Compliant with Intel High Definition Audio
• Playback of Musical Instrument Digital Interface (MIDI) and Moving Picture Experts Group Audio Layer-3
(MP3) files
• Recording and playback of pulse-code modulation (PCM) and Waveform Audio File Format (WAV) files
• Recording from various sound sources, such as a headset attached
Note: The combo audio connector does not support a conventional microphone.
The following table shows which functions of the audio devices attached to the connectors on your
computer are supported.
Table 3. Audio feature list
Connector
Combo audio connector
Configuring for sound recording
To configure the microphone for optimal sound recording, use the Realtek HD Audio Manager program. To
start the program, go to Control Panel and click Hardware and Sound ➙ Realtek HD Audio Manager.
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User Guide
Headset with a 3.5 mm
4-pole plug
Headphone and
microphone functions
supported
Conventional headphone
Headphone function
supported
Conventional microphone
Not supported