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• Make sure any connected audio cables are labeled "No Resistance."
• If you are using the USB Display function, turn on the Output audio from the projector setting in the
Epson USB Display Settings program on your computer.
• If you are using a Mac and you do not hear sound from an HDMI source, make sure your Mac
supports audio through the HDMI port. If not, you need to connect an audio cable.
• If you want to use a connected audio source when the projector isn't projecting any images, set the
Quick Startup option in the Operation menu to Off and make sure the A/V Output setting in the
Signal I/O menu is set to Always On.
• If the volume for the computer is set to the minimum while the projector's volume is set to maximum,
the sound level may be mixed. Turn up the computer's volume and decrease the projector's volume.
• Make sure the Audio Out Device option is set to the correct audio port for your video device.
• If you turn the projector on immediately after turning it off, the cooling fans may run at high speed
momentarily and cause an unexpected noise. This is normal.
Parent topic: Solving Image or Sound Problems
Related references
Input Signal Settings - Signal I/O Menu
Related tasks
Connecting to External Speakers
Controlling the Volume with the Volume Buttons
Related topics
Connecting to Computer Sources
Connecting to Video Sources
Solutions to Problems Using Content Playback
If you cannot play back a playlist correctly, try the following solutions:
• Check the following on all projectors:
• All projectors are the same model. If any of the projectors are a different model or have a different
resolution, synchronized playback may not be performed properly.
• Make sure the name, date, and time settings are correct.
• Make sure all projectors are connected to the same network.
• Make sure the Content Playback setting is turned on in the Operation menu.
• Make sure your USB device contains a playlist.
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