Alesis iSymphony M1 Manual De Usuario página 15

MUTE Button (On Remote Control Only)
Press the MUTE button on the remote control to shut off the speakers temporarily,
for example, to answer the telephone.
The sound stops and the "MUTE" indicator
flashes in the display.
Press the MUTE button again to cancel the mute function and restore the sound.
The " MUTE" indicator disappears.
The mute function will also be canceled automatically by pressing the VOLUME +
or VOLUME – buttons.
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