Panasonic Digital Business System - Installation ManualMarch 1997 Issue 532Headset ConnectionThe following company’s headset has been approved for use with the DBS systems. When the headset is used thehandset must be disconnected. The headset is available for the headset manufacturer.To connect the headset to a key telephone disconnect the curly cord at the base and plug in the headset, then putthe extension into headset mode by entering On/Off # 51 On/Off.Clement Clarke International LtdAirmed HouseEdinburgh WayHarlow, Essex, CM20 2ED01279 414969Host WorkingThe DBS is approved to work as a host to other systems. Connection is made from analogue extensions on theDBS to the exchange lines of the other system. The other system must be set to dial DTMF and send Time BreakRecall (TBR).The piggy-backed system must be approved to work as a subsidiary.