1. On Remote press Mute "On"

1. On Remote press Mute "Off" (Quickly)

3. On Remote press Mute "On"(Quickly)

1. On Remote press Mute "Off" (Quickly and hold the button)

5. While holding the Mute button on the remote press "Menu" on the TV.

6. "S" will appear (Service)

7. Press "Menu" on TV to Get "RCUT" (red cutoff)

8. Use CH up and down to scroll

9. Use Volume to change.