Optoma EH503 - Manual (Page 72)

English 72
Quick Start-Guide for “RS232 by TELNET”
Check and get the IP-Address on OSD of the projector.
Make sure that laptop/PC can access the web-page of the projector.
Make sure that “Windows Firewall” setting to be disabled in case of
“TELNET” function filtering out by laptop/PC.
1. Start => All Programs => Accessories => Command Prompt.
2. Input the command format like the below:
telnet ttt.xxx.yyy.zzz 23 (“Enter” key pressed)
(ttt.xxx.yyy.zzz: IP-Address of the projector)
3. If Telnet-Connection ready, and user can have RS232
command input, then “Enter” key pressed, the RS232
command will be workable.
User Controls