Other Problems; No Sound Can Be Heard Or The Sound Is Faint; There Is Noise In The Audio (Only When Projecting Usb Display) - Epson EH-TW570 User Manual

Problem Solving
Check
Is the Control Panel Lock set to Full Lock?
Is remote control operation restricted?

Other Problems

No sound can be heard or the sound is faint

Check
Check that the audio/video cable is securely attached to both the
projector and audio source.
Is the volume for the projector or the connected equipment set to the
minimum?
Is A/V Mute active?
Is the audio cable's specification "No resistance"?
Is it connected with an HDMI cable?
Is Output audio from the projector selected?
(Only when projecting USB Display)

There is noise in the audio (only when projecting USB display)

Check
Is the volume for the computer set to the minimum while the
projector is set to the maximum?
Press the [t] power button on the remote control. If you do not want to use Control Panel Lock, change the setting to
Off.
s Settings - Control Panel Lock p.88
Check the Remote Receiver from the Configuration menu.
s Settings - Remote Receiver p.88
Disconnect the cable from the Audio port, and then reconnect the cable.
Adjust the volume so that sound can be heard.
s Settings - Volume p.88
s "Adjusting the Volume" p.43
Press the [A/V Mute] button on the remote control to cancel A/V Mute.
s "Hiding the Image and Sound Temporarily (A/V Mute)"
When using a commercially available audio cable, make sure it is labeled "No resistance".
If no audio is output when connecting via an HDMI cable, set the connected equipment to PCM output.
Click All Programs - EPSON Projector - Epson USB Display - Epson USB Display Vx.xx Settings, and then select
Output audio from the projector.
If the volume for the computer is set to the minimum while the projector is set to the maximum, the noise may be mixed.
Turn up the computer's volume and turn down the projector's volume.
Remedy
Remedy
p.65
Remedy
122