Epson EpiqVision Ultra LS800 4000-Lumen Pixel-Shift 4K UHD Ultra-Short Throw Laser 3LCD Smart Home Theater Projector (Black) - Manual (Page 37)

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4. Select any HDMI control settings on the connected speakers or receiver, as necessary. See your
device's documentation for more information.
5. Carefully replace the projector's side cover.
Note: The projector's side cover can be split into two parts to allow more space for connected
streaming devices and cables. See the link below.
Note: The audio format that is output from the projector's HDMI2 (ARC) port varies depending on the
input source. When the input source is HDMI, audio is output up to 5.1 ch (AC-3 or DTS). When playing
Android TV content, audio is output in 2 ch (PCM). You cannot output sound from the
HDMI2 (ARC) port
when the input source is HDMI3 (Game).
Parent topic: Projector Connections
Related references
Projector Feature Settings - Settings Menu
Sound Quality Settings - Sound Menu
Related tasks
Attaching and Removing the Side Cover
Operating Connected Devices Using the HDMI Link Features
Connecting to External Speakers
To enhance the sound from your video source, you can connect the projector to external self-powered
speakers using the optical digital audio out port. You can also connect the projector to an amplifier with
speakers.
Note: The projector's speakers are not disabled when you connect speakers to the Optical Out port, but
you cannot control the volume of the speakers connected to the Optical Out port from the projector's
remote control. If you want to output higher quality audio, set Sound Output as Speaker/Optical (Auto)
in the projector's Sound menu.
1. Remove the projector's side cover, if necessary.
2. Make sure your computer or video source is connected to the projector via HDMI, if necessary.
3. Locate an optical digital audio cable to connect your external speakers, or another type of cable with
the appropriate adapter.
4. Connect one end of the cable to your external speakers as necessary.