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| Part | Title | |------|-------| | EN 54-1 | Introduction | | EN 54-2 | Control and indicating equipment | | EN 54-3 | Fire alarm devices – sounders | | EN 54-4 | Power supply equipment | | EN 54-7 | Smoke detectors – point using scattered light or ionization | | EN 54-11 | Manual call points | | EN 54-13 | Compatibility of system components | | EN 54-23 | Visual alarm devices (VADs) – light output & pattern |

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