SOMMER RDC vision - Page 29

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6.5 Connecting the buzzer
This function can only be used in connection with a switching contact installed
onthedoor(e.g.pre-endpositionswitch)!
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RD BK
Thebuzzerworkslikeanalarmsystem.Ifanattemptismadetomoveadoorcurtain
by force, a loud alarm goes off.