Epson PowerLite 800F 5000-Lumen Pixel-Shift Full HD Ultra-Short Throw Laser 3LCD Projector (White) - Manual (Page 42)

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Connecting to External Speakers
To enhance the sound from your presentation, you can connect the projector to external self-powered
speakers. You can control the volume using the projector's remote control.
You can also connect the projector to an amplifier with speakers.
Set the Audio Out Device setting to AV System in the projector's Signal I/O menu. When an
audio/video system is not connected to the projector, audio is output from the external speakers even if
Audio Out Device is set to AV System .
If you want to output audio from the external speakers when the projector is not projecting images, you
need to select
Always On as the A/V Output setting in the projector's Signal I/O menu.
Note: The projector's built-in speaker system is disabled when you connect external speakers.
1. Make sure your computer or video source is connected to the projector with both audio and video
cables as necessary.
2. Locate the appropriate cable to connect your external speakers, such as a stereo mini-jack-to-pin-
jack cable, or another type of cable or adapter.
3. Connect one end of the cable to your external speakers as necessary.
4. Connect the stereo mini-jack end of the cable to your projector's Audio Out port.
Parent topic: Connecting External Output Devices
Related references
Input Signal Settings - Signal I/O Menu
Connecting to External USB Devices
Follow the instructions in these sections to connect external USB devices to the projector.