ATEN US221A User Manual page 17

7. After the upgrade has completed, you will be asked to restart
the PC. Click Yes to restart the PC now, or click No to restart
the PC later, then click Finish to exit the Software Installation
Utility.
8. When the installation completes, an icon labeled USB 2.0
Peripheral Switch Utility appears on your desktop and
another icon appears in your system tray.
The icon on your system tray displays in four colors to indicate
the US221A / US421A's status, as shown in the following table:
Green
Yellow
Color
Locked on local computer
Connected to local computer
Red Peripheral device not connected
Grey
Status
Disconnected or busy
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