Lenovo 0A33942 manual Manually enabling the audio connectors, Disabling the video output function

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.

SN	Resolution	Refresh rates (Unit: Hz)
1	640 x 480	60, 72, 75, 85
2	720 x 400	70, 85
3	800 x 600	56, 60, 72, 75, 85
4	832 x 624	75
5	800 x 480	60
6	848 x 480	60
7	1024 x 768	60, 70, 75, 85
8	1152 x 864	75
9	1152 x 870	75
10	1280 x 720	60
11	1280 x 768	60, 75, 85
12	1280 x 800	60
13	1280 x 960	60, 85

Chapter 4. Working with the port replicator 11