Polycom VS4000 Administrator's Manual page 135

Symptom
The system does not
respond to the
remote control.
© Polycom, Inc.
System Cause
All No batteries in the remote
control.
The batteries are installed
incorrectly in the remote
control.
The infrared sensor is not
receiving signals from the
remote control.
The external infrared sensor is
not operating properly.
The room lights operate in the
38 Khz range and interfere
with the remote control
signals.
Chapter 7 - Diagnostics and General Troubleshooting
Solution
Install batteries in the remote control.
Insert the batteries in the correct +/-
position.
Make sure you are pointing the remote
control at an infrared sensor. These are
present on the front of the VS4000 and
on the front of the PowerCam camera.
You may also have an external infrared
sensor installed.
Make sure the transparent protective
strips have been removed from the
infrared sensors.
If you are using an external infrared
sensor, check the connections between
the rear panel, cable adapter, and
cable.
Check the connections between the
rear panel, cable adapter, and infrared
sensor cable.
Turn off the lights in the room and try
the remote control again.
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