1. If you will not use the projector for a while, touch the “A/V mute” button on remote control. It will save the light bulb life. When you are ready to use it again touch the same button.
2. If you need to work on your laptop you may freeze the screen shown on the board by touching the “Freeze” button on your remote control. When you are ready to show a different screen touch the same button.
3. If you would like to change the settings to avoid any other person to control your remote who might have another remote or an app: Click Menu> Settings >Remote receiver> Rear