KB-702 11/2/2017 Category: Products, Arcadia Central Station System, Encore Integration, Clear-Com Encore Analog Partyline Systems, Speaker Stations Talk/Listen from headset mic, telephone handset or push-to-talk microphone Four modes of operation that are internally programmable via dip switches Balanced local program input with separate level control Visual and audible call signaling Optional 4-wire daughter board for flexibility Wall or console mountable, or optional V-Box for portable or desktop use Built-in speaker