LEGRAND Pro 21 7756 31 Manual page 10

Operation
(cont.)
Example: modification of the previous general control function by adding an individual shutter switch B.
Transmitter
Group radio shutter switch
E.g.: 7756 31
Receiver (shutter A and B)
Individual radio shutter switch
E.g.: 7756 28
Shutter A
Shutter B
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