Epson EMP-X3 - Manual (Page 22)

17 Adjusting the Volume
The volume of the projector's built-in speaker can be adjusted as follows.
PROCEDURE
When the button is pressed to the [ ] side, the volume increases,
and when it is pressed to the [ ] side, the volume decreases.
The volume gauge appears on the screen when the volume is being
adjusted.
• If the value displayed in the gauge on the screen stops
changing when the volume is being adjusted, it
indicates that the limit for volume adjustment has been
reached.
• The volume can also be adjusted using the
configuration menu. s p.36
Using the remote control Using the control panel