Epson EpiqVision Ultra LS800 4000-Lumen Pixel-Shift 4K UHD Ultra-Short Throw Laser 3LCD Smart Home Theater Projector (Black) - Manual (Page 120)

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• Try turning on the Adaptive Light Output setting in the Picture menu.
• Position the projector close enough to the screen.
Parent topic: Solving Image or Sound Problems
Related references
Image Quality Settings - Picture Menu
Solutions to Sound Problems
If there is no sound when you expect it or the volume is too low or high, try the following solutions:
• Adjust the projector's volume settings.
• Press the mute button on the remote control to resume audio if it was temporarily muted.
• Check your computer or video source to make sure the volume is turned up and the audio output is set
for the correct source.
• Check the cable connection between the projector and your video source.
• If you do not hear sound from an HDMI source, set the connected device to PCM output.
• If you want to output audio from the projector's speakers, check that the Sound Output setting is
correct in the Sound menu.
• If you want to output audio to an external audio device using an HDMI cable, try the following
solutions:
• Make sure the HDMI cable is connected to the projector's HDMI2 (ARC) port
• Make sure the sound is output from the projector's speakers or Optical Out port
• Enable HDMI CEC in the Settings menu
• Enable HDMI2 ARC in the Settings menu
• Set Other Than HDMI3 (Game) to ARC/Optical (PCM) in the Sound menu.
• Make sure the HDMI cable is compliant with HDMI ARC
Note: When outputting audio to an external audio device that does not support HDMI ARC using an
HDMI cable, disable HDMI CEC in the Settings menu.
• If you want to output audio to an external audio device using an optical digital audio cable, check that
the Sound Output setting is correct in the Sound menu.
Parent topic: Solving Image or Sound Problems