ELVOX Door entry / Universal components / Petrarca Series
Due Fili volume adjustment module
4-position switching module for Petrarca interphones with Due Fili technology, for setting the call volume to one of three levels and disabling the acoustic call signal. The latter status is indicated by means of a red LED, while a green LED indicates that the door is open
4 - Active
00. CE Marking - EU
37. Marking - Morocco
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