■The Trigger out port outputs a
when the projector is turned on. This lets a central control system monitor whether the projector is on or off, and can be used to raise or lower your projection screen automatically when the projector is in use.
Connect a
Installing Batteries in the Remote Control
The remote control uses two AA batteries.
Warning: Keep batteries away from children. If a battery is swallowed, contact your doctor immediately.
1. Release the tab and lift open the cover.
2. Insert two new AA batteries as shown.
3. Insert the tab on the cover and press it down until it clicks into place.
Aim the remote control at the front or back of the projector. Make sure you are within 30 feet of the projector with the remote aimed within a 30° angle from the infrared receivers.
If you suspect the batteries are weak, take the remote
control to a dark room and press the 
illumination button. If the buttons do not glow red, replace the batteries.
Setting Up the Projector 21