Polycom VSX Series Administrator's Manual page 182

Administrator's Guide for the VSX Series
Symptom
The system does not
receive closed captions
correctly.
Graphics are displayed
on Monitor 1 at all sites
even if Monitor 2 has
been specified for
content.
Edges of picture are cut
off when viewing
graphics.
Call participants cannot
see or hear what is being
played on the VCR or
DVD.
The far site cannot view
slides properly; they
appear momentarily, but
do not remain on-screen.
Picture freezes
frequently during an IP
call.
7 - 18
Problem
The modem is not
connected correctly, or is
not configured correctly.
At least one site does not
have dual-stream
capability.
This can occur in calls to
ViewStation systems using
version 4.2 and earlier
software.
Graphics from the far site
are displayed on an NTSC
monitor.
This problem may occur in
multipoint calls using a
RADVision MCU.
The laptop's display
resolution or refresh rate
does not match the
settings for the Visual
Concert VSX.
The VCR or DVD is not
selected.
The VCR or DVD is not set
up correctly.
The far site does not
support Annex D
high-resolution graphics.
There is too much traffic on
the LAN. Check the error
count on the Call Statistics
screen.
Corrective action
Verify that the modem is connected correctly according to
the installation procedure in the section
RS-232 Devices on page
Go to Admin Settings > General Settings > Serial Port
and verify that RS-232 Mode is set to Closed Caption.
Verify that the modem is configured for 8 bits, no parity.
ViewStation owners can upgrade to the latest version of
software.
Use a VGA monitor to display graphics.
Be sure the laptop's refresh rate is set to 60 Hz, and that
the laptop and the Visual Concert VSX use the same
display resolution.
Select the VCR (Camera 3):
Press Camera, then press 3.
Check that the VCR or DVD is connected according to the
instructions in the section
on page 2-18.
Refer to the manufacturer's instructions to set up the VCR
or DVD correctly.
Advise the far site participants that their system does not
support this feature, and continue the call without
presenting slides.
Go to Admin Settings > Network > IP > Quality of
Service and enable dynamic bandwidth.
www.polycom.com/videodocumentation
Connecting
2-36.
Connecting a VCR/DVD Player