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Glossary
file:///F|/160E1 CD MANUAL-20081225/lcd/manual/ENGLISH/160E1/glossary/glossary.htm（第 9／9 页）2008-12-26 19:14:47
Upstream
The direction of data flow towards the host. An upstream port is the port on a device electrically
closest to the host that generates upstream data traffic from the hub. Upstream ports receive
downstream data traffic.
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V
Vertical refresh rate
Expressed in Hz, it is the number of frames (complete pictures) written to the screen every second.
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Troubleshooting
