Vivotek VS3102 - Manual (Page 48)

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Video codec parameters
Options on this page will affect the image on the main page seen by users.
"Text on Video" The text will be displayed in the black bar above the video window with a timestamp.
The timestamp is captured from the date and time of the Video Server that is maintained by a built-in
real-time clock.
"Color" Setting is independent of the connected camera and B/W option might speed up the encoder a
little.
"Size" Option allows users to adjust the image size taking into consideration bandwidth and visual effect.
Five options are available including half, half×2, normal, normalx2 and double. Half×2 consumes the
same bandwidth as half but is the same size as normal. Of course the image is not as good as normal.
Half×2 is especially suited to low bandwidth environments like a dial-up network. Normalx2 consumes
the same bandwidth as normal but the same size as double.