Optoma TX612 User's Manual - Page 13

Installation Powering On/Off the Projector  (*) When power saving mode is enabled, the VGA & Audio pass-through and RS-232 will be de-activated during standby mode. Powering On the Projector . Remove the lens cap.  2. Securely connect the power cord and signal cable. When connected, the ON/STANDBY LED will turn Amber. 3. Turn on the lamp by pressing " " button either on the top of the projector or on the remote. The ON/STANDBY LED will now turn Green.  The startup screen will display in approximately 0 seconds. The first time you use the projector, you will be asked to select the preferred language and power saving mode.(*) 4. Turn on and connect the source that you want to display on the screen (computer, notebook, video player, etc). The projector will detect the source automatically. If not, push menu button and go to "OPTIONS". Make sure that the "Source Lock" has been set to "Off".  If you connect multiple sources at the same time, press the "SOURCE" button on the control panel or direct source keys on the remote control to switch between inputs. AV MUTE 2 Power POWER POWER AV MUTE  Turn on the projector first and then select the signal sources.  Lens Cap 3 English