Microphone desk for making calls from 1 to 6 zones and general calls. With general call button and call signal volume indicator on top. 

Zone selection button: user can select one, several or all zones for paging. 

Call button and ring tone button: press the call button when the ring tone button is activated. The ringer goes out first. 

Selection of the number of rings: 2 or 4 sounds. 

Possibility to configure from 1 to 6 consoles. 

Automatic standby function: when no microphone signal is detected for one minute, the conversation is automatically closed. And the call button is turned off. 

24 Vdc long distance back-up power supply. 

RS485 in-line port, can be cascaded to 6 units. 

MIC/Buzzer/Main volume adjustment. 

Panel is displayed with 10 volume levels. 

Microphone supports anticipation and tail function when used in-line. 

Condenser microphone, with built-in operation light.