The Model MC3 3-Note Chime Module is a module that can be installed in the dmc1 or dmc3-4 Music/Communication System Masters.
To announce a visitor, the intercom system’s doorbell chime sounds when the bell button is pressed on a Door Station connected to the intercom. The module can be set to play one, two, or three notes for the intercom’s doorbell chime sound with a different chime for each door.
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