This would be "Standby"
When you press standby, the display and audio turn off and a
blank screen is displayed for 15 minutes.
You can change the amount of time the projector stays in standby mode; see “Standby Time” on page 27 for details.
The LED lights orange while the projector is in standby.
• If you press standby again within 15 minutes, the projector
returns to normal operations immediately. The LED changes
from orange to green.
• If you press standby again after 15 minutes, there is about a
60 second delay before the lamp turns back on. The LED
flashes green while the lamp is re-lighting.
• If you don’t press standby again, the lamp turns off after 15
minutes. The LED lights orange while the projector is in
The full manual can be found here:
Infocus customer support
Infocus LP350 Manual
I hope these help