
75 | NEC DISPLAY WALL CALIBRATOR - USER’S GUIDE
Chapter
7
Troubleshooting
Installation and Setup
Problem: Measure and Calibrate buttons are disabled.
Solution: The Measure and Calibrate buttons are disabled for any of the following reasons:
• No supported calibration sensor was detected.
• No supported display monitor was detected.
• All of the displays have not yet been Veried.
Problem: Verify Communications operation fails.
Solution: Check that:
• Each display is correctly congured to use either then LAN or RS232 interface by conrming the
EXTERNAL CONTROL setting on the OSD menu if applicable.
• The MONITOR ID is set correctly on the OSD and matches the value assigned in the software.
If using RS232:
• If using daisy-chaining, conrm that no other displays on the same chain have the same MONITOR ID.
• Make sure that each display is connected via a NULL modem cable and that the correct IN our OUT socket
on the display is used.
• Make sure that no other application or process is using the specied COM port.
If using LAN:
• Make sure that the IP address of each display is set correctly and that each display has a unique IP
address.
• Make sure that the IP address assigned to each display matches those assigned in the software.
• Make sure that no other device on the LAN is assigned the same IP address.
• The IP address of each display must be congured using a web browser. The default IP address is
192.168.0.10.
• Make sure that the displays are on the same subnet as the host PC being used.
• Make sure that there are no rewall settings or antivirus applications that may be preventing the application
from accessing the LAN or blocking port 7142.
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