User Guide
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• Make sure the Audio Output 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
Solutions to Microphone Problems
If there is no sound when you use a microphone connected to the projector, try the following solutions:
• Make sure the microphone is securely connected to the projector.
• Make sure you are using a dynamic microphone, not a condenser microphone.
• Adjust the Mic Input Level setting as necessary in the projector's menus.
• If you want to use the microphone when the projector is off, set the Standby Mode option to
Communication On.
Parent topic: Solving Image or Sound Problems
Related references
Projector Setup Settings - Extended Menu
Projector Feature Settings - Settings Menu
Related tasks
Connecting a Microphone
Solving Projector or Remote Control Operation Problems
Check the solutions in these sections if you have problems operating the projector or remote control.
Solutions to Projector Power or Shut-Off Problems
Solutions to Problems with the Remote Control
Solutions to Password Problems
Parent topic: Solving Problems
Solutions to Projector Power or Shut-Off Problems
If the projector does not come on when you press the power button or it shuts off unexpectedly, try the
following solutions:
• Make sure the power cord is securely connected to the projector and to a working electrical outlet.
• The projector's buttons may be locked for security. Unlock the buttons or use the remote control to
turn on the projector.