Optoma EH503 - Manual (Page 62)

English 62
Options | Advanced
Sleep Timer (min)
Set the Sleep Timer interval. The projector powers off after the specified
time period of inactivity (regardless of signal). The following warning is
displayed 60 seconds before power off.
Power Mode (Standby)
4 Eco.: Choose “Eco.” to save power dissipation further < 0.5W.
4 Active: Choose “Active” to return to normal standby and the VGA
out port will be enabled.
User Controls