Samsung HT-Q40 Instruction Manual page 65

II Mute Function
This is usefuI when answering a doorbett or telephone call.
• 'MUTE ON' appears in the display.
• To restore the sound, press the button again to
select 'MUTE OFF'.
II UsingHeadphones
Use headphones (not supplied) for private listening pleasure.
• To prevent hearing damage, do not increase the
volume excessively when using headphones.