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 Model:
                     BT5 PHONE PAGER 
                The BT interface is used to connect the phone 
                system to the public address system. It enables anyone to make 
                paging call from a phone The BT is connected to designated 2-wire 
                analogue extension port via a master line jack unit. The output 
                can be at either mic, or line level, to suit the amplifier being 
                used.   | 
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