Manual Door intercom devices a / b Series 20 / 30 / 50
GB
GB
Operation
Activate MLM B
(MLM on the booth; blue connector)
Activate MLM A
(MLM in the booth; yellow connector)
Activate MLM C
(MLM underneath the booth; red connector)
switch between MLM A (in the booth) and
integrated microphone inside the door intercom
device
61
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