EverFocus EN-7519C - Manual (Page 15)

4) Press the MENU button to save.
10 ……………………………………………………………………. INSTRUCTION MANUAL
3. Mute
1) Press the up(▲) or down(▼) button to select the Mute.
2) Press the right( ▶) or SOURCE/SELECT button.
3) Press the up( ▲) or down(▼) button to select the On or Off.
4) Press the MENU button to save.
4. Volume