This node controls and monitors the state of the audio alarm (siren) on the camera. If activated the siren will sound when motion is detected. This node allows you to control the PTZ (Pan-Tilt-Zoom) ...

The siren test takes place between 1.30 pm and 4.30 pm. The general alarm (regular ascending and ... Operations Center can order the sirens to be activated in cases of increased radioactivity.