The keyboard of the call station is used with the basic call

 station to play the manual or prerecorded broadcast to any specified area, select the area or perform the predetermined operation. The keyboard of call station is equipped with 8 programmable buttons, and each button has a two-color LED status indicator. ? select the function of pre alarm, background, music, background, etc., such as music, background, music, background, etc The user can program keys for different operating modes (e.g., transient and switching). Each button is equipped with a two-color LED status indicator. There is a transparent, removable boss next to each LED indicator to place the function or area label of the key. In addition, users can purchase protective covers to prevent accidental activation of keys. The keyboard is powered by the call station to which it is connected. Control and indicator light, 8 function keys, 8 dual color LED indicator interconnection components, 2 serial data and power connection certificates and approved safety, IEC 60065 / en 60065, anti-interference, en 55103-2 / en 50130-4 / en 50121-4, heat dissipation according to en 55103-1 / fcc-47 part 15b, emergency compliance with en 60849 / en 54-16 / ISO 7240-16 According to IEC 60945 regional certification European CPR EU_ CPR CE CE COC CE certalarm CE DOP GL Poland cnbop

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