Optoma 4K400x Manual - Page 19
Powering on / off the projector, Powering
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USING THE PROJECTOR Powering on / off the projector ON OFF User1 User2 Contrast Brightness User3 Mode Aspect ratio Keystone Mute DB 3D Sleep Timer ON OFF Volume Source User1 User2 Brightness Contrast Re-sync User3 Mode Aspect ratio Keystone MenuMute DB 3D Sleep Timer Volume Volume Source Re-sync HDMI1 HDMI2 VGAM1enuVGA2 Video YPbPr Volume HDMI1 HDMI2 VGA1 VGA2 Video YPbPr or Powering on 1. Securely connect the power lead and signal/source cable. When connected, the On/Standby LED will turn red. 2. Turn on the projector by pressing the " " button on the projector keypad or the remote control. 3. A start up screen will display in approximately 10 seconds and the On/Standby LED will be flashing blue. Note: The first time the projector is turned on, you will be prompted to select the preferred language, projection orientation, and other settings. English 19