Optoma EH7700 - Manual (Page 24)

24
English
User Controls
Remote Code Setting
Default code setting (common code): 00
The default code of remote control can be set by pressing "All" key
continuously until LED indicator quickly blinking 3 times. (around 3
seconds) Regardless of projector’s remote code, the remote control
can operate each projector simultaneously if the remote code of
remote control is set at default code.
Remote code setting: 01 ~ 99
The remote code of the remote control can be changed by pressing
the “ID” continuously until LED indicator slowly blinking (around 3
seconds,), and then pressing double digit numbered buttons (01~99)
as the code number. The LED indicator will blink three times quickly
as setting success. If the setting process don’t be completed in 10
seconds, the process will be time out and keep original remote code.
Sleep mode
Remote control will enter sleep mode as below conditions:
No key press 
Press multi keys simultaneously 
Press one key over 60 seconds continuously 
Backlight
Backlight will turn on as pressing any key 
If backlight turn on 10 seconds continuously and no operated, the 
backlight will turn off gradually in 5 seconds.
 When remote code is “ALL (00)”, this remote can control any projector.
When remote code is “0~99”, this remote only can control the projector
with same remote code in OSD (detail page 51):
Press “Info.”(detail in page 54) can show what is remote code (Active) in
remote and what is the remote code setting in projector.