Glossary
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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file:///E/manual SPEC/813/spec/cd/16/Q70G16C1813 1A 160EL1/CD/lcd/manual/ENGLISH/160EL1/glossary/glossary.htm（第 9／9
