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Manually enabling the audio connectors
To manually enable the audio connectors on the port replicator, depending on the operating system you are
using, do one of the following:
For the Windows XP operating system:
1. Right-click the volume icon in the taskbar notification area.
2. Select Adjust Audio Properties. The Sound and Audio Devices Properties window opens.
3. Click the Audio tab.
4. Select a USB audio line-out device from the Sound playback panel, and then select a USB audio
line-in device from the Sound recording panel.
For the Windows Vista or Windows 7 operating system:
1. Right-click the volume icon in the taskbar notification area.
2. Select Sounds. The Sound window opens.
3. Click the Playback tab to select a USB audio line-out device, and then click the Recording tab to select
a USB audio line-in device.
Disabling the video output function
To disable the video output function of the port replicator, do the following:
1. Click the Lenovo USB 2.0 Port Replicator with Digital Video icon in the taskbar notification area. The
pop-up menu opens.
2. For users of the Windows XP or Windows Vista operating system, select Off to disable the video output
function of the port replicator. For users of the Windows 7 operating system, select Advanced..., and
then in the Multiple displays drop-down list box, select Show desktop only on 1 or Show desktop
only on 2 to display your desktop on one target screen.
Supported refresh rates
The table below displays the refresh rates supported at various resolutions and color depth for the port
replicator video output.
Resolution
SN
1
640 x 480
2
720 x 400
3
800 x 600
4
832 x 624
5
800 x 480
6
848 x 480
7
1024 x 768
8
1152 x 864
9
1152 x 870
10
1280 x 720
11
1280 x 768
12
1280 x 800
13
1280 x 960
Refresh rates (Unit: Hz)
60, 72, 75, 85
70, 85
56, 60, 72, 75, 85
75
60
60
60, 70, 75, 85
75
75
60
60, 75, 85
60
60, 85
.
Chapter 4
Working with the port replicator
11
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