How to use

This projector supports using RS232 commands through Telnet connection.

1. Set up direct connection between the projector and computer. See block Directly connect the projector to a computer, in “Using the web control center”
2. Disable the firewall on the computer.
3. Open the command dialogue on the computer. For Windows 7 operating system, select Start > All Programs > Accessories > Command Prompt.

4. Input the command “telnet ttt.xxx.yyy.zzz 3023”.

   Replace “ttt.xxx.yyy.zzz” with the projector IP address.

5. Press Enter on the computer keyboard.

Specification for RS232 by Telnet

• Telnet: TCP
• Telnet port: 3023 (contact service team for more details)
• Telnet utility: Windows “TELNET.exe” (console mode).
• Disconnection for RS232-by-Telnet control normally: Close

• Below are the limitations for using Windows Telnet utility directly after TELNET connection is ready:

  • There is less than 50 bytes for successive network payload for Telnet-Control application.
  • There is less than 26 bytes for one complete RS232 command for Telnet-Control.
  • Minimum delay for next RS232 command must be more than 200 (ms).