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Instruction Manual
41
Optimizing video performance
Choose the best video mode
We recommend using a display resolution of 1024x768 @60Hz refresh rate, as
facilitates tting multiple windows on your remote desktop. Higher refresh rates put
unnecessary stress on the quality provided by the video card, and do not provide any
additional information or benet.
Noisy video cards
A digital KVM works by converting the analog video signals emitted by your video
card into digital data. If there is noise on that signal, then it must also be digitized and
sent over the network. Quality video cards, in our experience, oer better performance
simply because they don’t add analog noise.
• Some external KVM switches generate video noise as well. Try to keep cables short,
in order to reduce this eect.
• Enable the Noise Filter option (in the Video Tuning menu) to mitigate noise issues.
Network performance
The CABCONS1716I will always send as much data as it can, given what’s happening
on the screen and the actual network performance. When nothing is changing on the
video screen, zero bytes are sent over the network. If the whole screen is changing,
then the unit will send as much data as can be supported by your network connection.
• Network latency, which is the total time it takes for a packet to get to the
CABCONS1716I and come back, has the biggest impact on perceived performance
and usability.
• Network bandwidth has a lesser eect, particularly when just moving the mouse
around. Only a few bytes need to be sent when the mouse is moving (and nothing
else is changing on the screen), but the round-trip-time limits the hand-eye
coordination of the user if it is too great. Both actual bandwidth and measured
network latency are shown in the Main Menu.