1 Scope
2 Normative references
3 Performance requirements
3.1 Functionality
3.1.1 Operational modes
3.1.2 Operational sequence of indications and alarms
3.1.3 Reset function
3.1.4 Emergency call facility
3.2 Accuracy
3.3 Security
3.4 Malfunctions, alarms and indications
4 Ergonomic criteria
4.1 Operational controls
4.2 Presentation of information
4.2.1 Operational mode
4.2.2 Visual indications
4.2.3 First stage bridge audible alarm
4.2.4 Second and third stage remote audible alarm
5 Design and installation
5.1 General
5.2 Specific requirements
5.2.1 System physical integrity
5.2.2 Reset devices
5.3 Power supply
6 Interfacing
6.1 Inputs
6.2 Outputs
7 Methods of testing and required test results
7.1 General
7.2 General requirements
7.3 Display of information
7.4 Operational tests
Annex A (informative) - Installation considerations
A.1 Location of reset function
A.2 Reset facilities
A.3 Visual indications
A.4 First stage bridge audible alarm