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Old 18th Nov 2019, 7:52 pm   #7
PJL
Dekatron
 
Join Date: Sep 2005
Location: Seaford, East Sussex, UK.
Posts: 5,997
Default Re: Pye wireless intercom PTC1001

I suspect the switch is to specify the wire the RF will be injected to. The unit itself is AC/DC.
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