108.405—Fire detection system.
        
        (2) 
         Have a visual alarm and an audible alarm in the pilothouse or at a normally manned control station for the system.
    
    
        
        (b) 
         Each fire detection system must be divided into zones to limit the area covered by any particular alarm signal.
    
    
    
        
        (1) 
         Have a chart or diagram next to the alarm that shows the location of the zones in the system and that contains the instructions for operating, and testing the system;