Polycom ViewStation EX Administrator's Manual page 143

Symptom
The picture freezes
frequently during a
call.
Picture is slow or
jerky.
When using two
monitors, the same
picture is seen on the
first and second
monitor.
Edges of picture are
cut off when viewing
graphics
Blue screen in the
PIP window.
© Polycom, Inc.
System Cause
All Too many network line
transmission errors, or too
much traffic on the network.
You can check the error count
on the Diagnostics > Call
Statistics screen to verify this.
Network interface cable or
cables may be bad.
All Only one 64 Kbps channel is
connecting in your call.
Video from the far site
includes a large amount of
motion.
All Only one monitor is enabled.
The second monitor is
connected to the VCR video
output
VS4000 The monitors are connected to
the same output. The monitor
has a composite as well as an
S-Video output.
All Graphics from the far site are
displayed on an NTSC
monitor.
This problem may occur in
multipoint calls using a
RADVision MCU.
All No video input.
The camera selection is
incorrect.
The VCR input is selected and
the VCR is not running. Most
VCRs generate a blue screen
when the tape is not playing.
Chapter 7 - Diagnostics and General Troubleshooting
Solution
Try the call again.
Replace the cable or cables.
Check the ISDN number of the far site.
Ask the far site to call your site.
A background with less motion
provides a better, smoother video
picture.
Enable the system for two monitors on
the Admin Settings > Video/Cameras
> TV Monitors screen.
Connect Monitor 2 to the Monitor 2
connection on the rear panel of the
system.
Connect Monitor 2 to the Monitor 2
connection on the rear panel of the
system.
Use a VGA monitor to display graphics.
Check that there is a video source
connected to the selected input.
Select the appropriate camera:
Press Camera, then press the
number of the camera you wish to use.
If you are using the older version of the
remote, press
press the number of the camera you
wish to use.
Select a different camera or play a tape
on the VCR.
Near twice, then
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