Optoma FX5200 - Manual (Page 31)

EN-31
Video Image
Color
Adjust a video image from black and white to fully saturated color.
Sharpness
Sharpen or soften the image.
Tint
Shift colors toward red or green.
Sound
Volume
Adjust the volume level.
Mute
Cut off the sound temporarily.
Internal Speaker
Use the internal speaker of projector.