PictureTel Concorde 4500 Servicing Manual page 117

If you have these
symptoms...
System not responding to
wireless keypad keystrokes
Table 4-6: Peripheral Failure Checklist (Continued)
1. Hold the keypad up to the camera and then watch yourself
in the PIP. You should be able to see IR flashes when you
press a keypad key. Try moving the camera around and
press any key to see if the keypad responds. There could
possibly be a problem with the IR signal.
If the keypad does not respond, try turning out the lights
in the room or closing the drapes. Because the IR signal is
sensitive to light, the lighting in the room could be
affecting the keypad.
2. Check the DIP switch settings.
For information on how to set the DIP switch settings, see
Figure 4-2.
3. Make sure that the LOW BATTERY indicator on the keypad
is not flashing.
If the
LOW BATTERY
batteries in the keypad. See Installing the Wireless Keypad
for more information.
4. Press the HELP button on the keypad, and then try pressing
other keys to see if the system responds. If there is no
response then replace the wireless keypad.
Basic Troubleshooting Procedures
Do this...
indicator is ßashing, change the
4-19