Polycom HDX Series Administrator's Manual page 142

Administrator's Guide for Polycom HDX Systems
Symptom
Picture is slow or jerky.
Blue screen in the PIP
window.
PIP goes out of focus when
there is no motion for
several minutes.
12 - 12
Problem
The system is receiving
video that includes a large
amount of motion.
Too many network line
transmission errors. Check
the error count on the
Diagnostics > Call
Statistics screen to verify
this.
Only one 64 kbps channel
is connecting in your call.
The VCR input is selected
and the VCR is not running.
Most VCRs generate a blue
screen when the tape is not
playing.
The camera selection is
incorrect.
No video input.
Main camera not working
and Polycom HDX system
displays camera alert.
The camera is pointing at
an area with no contrasting
features.
To focus properly, the
camera must be able to
detect an edge.
Corrective action
A background with less motion provides a better,
smoother video picture.
Try the call again, possibly at a lower network speed.
Check the ISDN number of the far site. Ask the far
site to call your site.
Select a different camera or play a tape on the VCR.
Select the appropriate camera:
Press Camera on the remote, then press the
number of the camera you wish to use.
Check that there is a video source connected to the
selected input.
Restart the Polycom HDX system.
Point the camera to an area with limited objects, at
different distances, which are moving.