Displays - Polycom QDX 6000 Administrator's Manual

Troubleshooting

Displays

Symptom
Screen is blank; start music
Polycom logo
plays and
appears briefly.
Picture is blank on the
main monitor.
The monitor screen remains
blank when you use the
remote control or keypad.
The call connects but you
cannot see or hear people
at the far site although
they can see and hear
you.
When using multiple
monitors, you don't see
what you expect on each
monitor.
When using two monitors,
the same picture is seen
on the first and second
monitors.
The people at the far site
cannot see you.
Video is in black and
white.
The people at your site
show up in silhouette in
the PIP.
11-6
Problem
The system is starting. This is
normal.
The system goes to "sleep" after
a period of inactivity.
The monitor is not connected
correctly to the system.
The monitor's power cord is not
plugged in.
The monitor is powered off.
The monitor is not connected
correctly to the system.
The system is configured for use
with a NAT but is not behind a
NAT.
Monitors are not enabled.
Monitors are not connected to
the correct video outputs.
You are the only participant in a
call placed through an external
MCU.
The system is performing a Near
End Loop test.
You have selected a camera that
is not connected.
The monitor cable is not
connected properly.
The monitor cable is bad.
The camera is pointing toward a
source of bright light, such as a
window.
Corrective Action
No action required.
The system is sleeping. The system
wakes up on any action from the remote
control or on an incoming call.
Verify that the monitor is connected
correctly according to the manufacturer's
instructions and the system setting up
guide you received with the system.
Connect the monitor's power cord and
then power on the monitor.
Power on the monitor.
Verify that the monitor is connected
correctly according to the manufacturer's
instructions and the system setting up
guide you received with the system.
Go to System > Admin Settings >
Network > IP > Firewall and ensure that
NAT Configuration is Off.
Enable the connected monitors on the
System > Admin Settings > Monitors >
Monitors screen.
Verify that the monitors are connected
correctly according to the system setting
up guide you received with the system.
MCUs generally loop the first participant
back to it. Wait for others to join the
conference.
Press on the remote to end the
test.
Select the main camera.
Verify that the monitor is connected
correctly according to the manufacturer's
instructions and the system setting up
guide you received with the system.
Replace the cable.
If it is practical to do so, have the call
participants sit in a location where there
is no light source behind them.
Otherwise, go to System > Admin
Settings > Cameras to select Backlight
Compensation.