Apollo Sounder Visual Indicator Base

The Discovery Sounder Visual Indicator Base is a multifunctional device made up of a mounting base for Discovery fire detectors, a sounder, a visual indicator and a short-circuit isolator. The Discovery Sounder Visual Indicator Base is used to provide audible and visual warning of fire and is controlled by the appropriate fire control panel by means of the full Discovery protocol, the particular features of which should be requested from the panel manufacturer. The Discovery Sounder Visual Indicator Base can be used either with a detector fitted or with a cap fitted for operation as a stand-alone alarm device.