Microphone Receive voice from the user.
LCD screen Display the visitors' image.
Setup button Press to select the setting item you want.
Down/Decrease
button Press to decrease the value.
Up/Increase button Press to increase the value.
Speaker Send out vioce from the visitor.
Talk/Mon button Press to communicate hands free with visitor;
Press to view the outdoor condition in standby mode.
Unlock button Press to release the door
Call button/Unlock
2nd button
In standby mode, pick up handset, then press Call button to
activate the inner call;
During calling/talking state, press Unlock 2nd button to
release the second door.
Mounting hook Use to hang up the monitor.
Connection port Bus terminal.