Using Audio Features - Lenovo ThinkPad X1 Carbon User Manual

3. Set the resolution for the primary display.
4. Click the Monitor-2 icon, which is for the secondary display (the external display by default).
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
• In Extend desktop mode, only the primary display shows DOS full-screen, and the other display is
blacked out.
• If your computer has the Intel graphics card, you can designate the primary display by doing the following:
1. Right-click anywhere on the desktop and select Screen Resolution.
2. Click the desired display image and select the Make this my main display check box.
3. Click OK.
• When an application using DirectDraw or Direct3D is running in full-screen mode, only the primary display
shows the output.
• You cannot use the display switching function when you are in Extend desktop mode.

Using audio features

Your computer is equipped with the following items:
• Built-in microphones
• Built-in 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, such
as the following:
• 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
The following table shows the supported functions for the audio devices attached to the connectors on your
computer or ThinkPad OneLink Dock.
Table 4. Audio feature list
Connector
Combo audio connector on
the computer
Combo audio connector
on the supported ThinkPad
OneLink Dock
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.
Headset with a 3.5 mm
(0.14–inch), 4-pole plug
Headphone and
microphone functions
supported
Headphone and
microphone functions
supported
Conventional
headphones
Headphone function
supported
Headphone function
supported
Chapter 2
Conventional
microphone
Not supported
Not supported
49
.
Using your computer