Built-in 1-way fire alarm, 1-way bell warning sound, 1-way emergency evacuation crowd warning sound.
MIC and circuit recording, up to 60 seconds;
1 short circuit input, 1 short circuit output function, support manual and automatic playback;...
Microphone 1 and emergency line has the highest priority, forced into the priority function;The microphone (MIC2, 3, 4, 5) is of the same level as the wiring (AUX1, 2, 3);
Microphone and line volume independent adjustable
High pitch and bass in...
4 sets of independent input and output channels, each set of channels 70-100v, 20A;
In case of lightning, the output will be cut off automatically. A group of grounding lines will be connected to other equipment shells, and lightning will be autom...
With 485 communication interface, support broadcast control host control;
Adopting quartz phase-locked loop frequency synthesizer type adjustment loop, the receiving frequency is accurate and stable....
Imported digital movement, with super electronic seismic function, with high brightness dynamic VFD fluorescence display, clear awake;
Support CD,VCD,DVD,MP3 audio format, can be connected to USB disk to play MP3 music,
B 2 audio signals left a...
With 485 communication interface, and (intelligent central control host) connection, can achieve the whole area or N...N + 1..When there is an alarm signal to trigger the alarm interface, the system will be automatically started, and the correspondin...
