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How do I reduce the steady-state network traffic generated by VNC?
1. Improve video quality first. Any video noise is sent over the network.
2. Reduce resolution to 1024x768 or lower.
How do I reduce the overall network traffic generated by VNC?
1. Use a flat-color desktop background rather than a picture of your family or
corporate leader. This data must be sent every time a window is moved, so it is best
if it is a single color that will compress down to almost nothing.
2. Improve video quality so no analog noise is sent.
How do I maximize the video quality?
1. Use the highest-quality, shortest VGA cables possible. If you see any “ghosts” or
“shadows” to the right of sharp edges, then your video cables are causing problems
and poor-quality video is being delivered to the Unit.
2. From VNC, use the “optimize video” command:
a) Press “Print Screen” twice quickly.
b) Press: A.
c) Wait a second or two for screen re-draw.
This tunes the video settings to what is currently coming from the computer.
Changing the video cables will affect this tuning. This tuning operation is performed
automatically whenever the video mode changes, so performing this operation
manually may not help.
1. Reduce vertical refresh rate to no higher than 60Hz. There is no benefit to using a
higher refresh rate with the Unit. If someone is using the computer locally, and he or
she is using a CRT display (as opposed to LCD), that person should be consulted to
check if a lower refresh rate is more ergonomically acceptable.
2. Use the minimum resolution needed for your application. Lower resolutions (and
lower refresh rates) use lower-frequency electrical signals and, therefore, stress the
performance of your cables and video card less.
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