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26 UST-IP USER MANUAL
Internet Flow Control
Many public WAN links are by their very nature unpredictable. Packets sent over the public Internet do not
necessarily arrive at their destination in the order they were sent. When using UST-IP over an unpredictable
public WAN (particularly in international scenarios), the Internet Flow Control toggle ensures that packets
transmitted by UST-IP are received and reconstructed by RRC in the correct order.
Smoothing
The video smoothing level instructs UST-IP to what degree color gradation shifts are relevant for
transmission. Video pixels that stray from the majority color are assigned approximated color values to
reduce bandwidth used and video noise transmitted. Overly high smoothing levels can result in color
inaccuracies; whereas lower smoothing levels require greater bandwidth and processing power.
Video Settings
Video Settings N/A
Opens the Video Settings dialog box to manually adjust video
conversion parameters.
To access the Video Settings dialog box, either select Video → Video Settings from the RRC Menu Bar,
or click on the [Connection Properties] button in the RRC Toolbar.
Most of the settings in this dialog box can be refreshed by performing Color Calibration, as described in the
next section, or by manually forcing UST-IP to auto-detect the video settings (on the RRC Menu Bar, select
Video → Auto-sense Video Settings). However, it is useful for power users to understand the meanings
and ramifications of each setting.
Noise Filter
The video output of graphics cards are transmitted in analog form, and are susceptible to electrical and
interference noise. UST-IP's advanced circuitry can filter out these small, false, and unintended signal
variations, thereby optimizing picture quality and bandwidth consumed.
Higher: Noise Filter settings instruct UST-IP to transmit a variant pixel of video only if a large color
variation exists in comparison to its neighbors. However, setting the threshold too high can result in the
unintentional filtering of desired screen changes.
Lower: Noise Filter settings instruct UST-IP to transmit most pixel changes. Setting this threshold too low
results in higher bandwidth utilization.
Note: Lower Noise Filter settings (approximately 1 to 4) are recommended. Although higher settings will
stop the needless transmission of false color variations, true and intentional small changes to a video
image may not be transmitted.