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3.10
Video Display Problem Troubleshooting
PRIMA IP video server supports most major display modes up to 1600 x 1200. However, some display
problems will occurs, when either there is abnormal or unusual display output from your server or the
display resolution is over the biggest support of 1600 x 1200, or the display vertical frequency is beyond the
support range in that pixel dimension.
To yield best video results on the viewer screen display on remote login client, you should also refer to
Section 2.3,
Configure your Servers for Connections to PRIMA IP
, and Section, 3.4,
Some Tips about Viewer
Connections
for more details about how to prepare your servers/computers before getting them connected to
your PRIMA IP.
The followings are some common video display problems and their troubleshooting….
Q. There seems to be many artifacts or residuals not getting refreshed on the viewer screen. Is there
any way to improve the video display quality on viewer screen?
A: The causes of these artifacts or residuals could be:
(1)
The video filter currently active on PRIMA IP is set either at Medium Quality or Low Quality Level.
These two video filter levels are for faster response than the High Quality Level as to increase the
response speed over limited bandwidth condition. If your bandwidth allows or you need higher video
quality instead of higher speed, just change the video filter from Low to Medium or even to High to
increase the video display quality on viewer screen on the remote login client. To raise the Video Filter
Level, please go to the Video Server Page in PRIMA IP web management Interface, and select the filter
as either Medium or High Quality according to your requirements. Note that High Quality video filter
gives high quality always on the expense of video response speed on the viewer screen.
(2)
The transitional effect of Windows XP is enabled. The transition effects of menu will cause refreshing
problems in Low/Medium Video Filter settings. Thus, if you are using a Low/Medium Quality Level of
video filter, either try to raise the video filter level to High Quality (at the expense of response speed) or
just turn off the transitional effects of Windows XP. To turn off the transitional effects of menu on
Windows XP, please refer to Section 2.3, Configure your Computers for Connections to PRIMA IP
Note that PRIMA IP local console is not affected at all by the Video Filter settings or by the transitional
effects on Windows XP.
Q. The PRIMA IP booting time has become unduly longer over several minutes. What’s wrong?
A. Please make sure that the external authentication, PPP server/client, time server as well as power control
settings are correct. If you don’t use all these features or the authentication/time servers are not available, just
try to disable them to save booting time since if you don’t have all these servers present, the PRIMA IP will
try to look for them until timeout. That will waste PRIMA IP booting time considerably.
Q: Video response seems slower in limited bandwidth condition, are there ways to increase the
response speed?
A: There are several ways to increase the response speed on the viewer screen:
(1)
Under bandwidth-limited condition, you should select a more economical encoding scheme such as Slow
Internet or Fast Internet Encoding scheme instead of the LAN or No Compression encoding scheme
from the viewer connection menu. However, if the connection is made only within LAN with plenty
connection bandwidth, LAN or No Compression encoding scheme should be (paradoxically) quicker
than Internet scheme – since your client computer won’t dissipate extra computing power for decoding
the more-compressed Internet scheme.
