Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Alarm signal
3.2 Information signal
3.3 High priority (warning) alarm
3.4 Medium priority (cautionary)
alarm
3.5 Low priority (advisory) alarm
3.6 Pulse
3.7 Overall pulse duration
3.8 Rise time
3.9 Start of pulse
3.10 End of pulse
3.11 Effective pulse duration
3.12 Fall time
3.13 Pulse frequency
3.14 Burst
3.15 Pulse spacing
3.16 Burst spacing
3.17 Repeat time
4 Requirements for signals
4.1 Auditory alarm signals
4.2 Composition of high priority alarm
signal
4.3 Composition of medium priority alarm
signal
4.4 Composition of low priority alarm signal
4.5 Composition of information signals
Annex A (informative) Rationale
A.1 Scope
A.2 Requirements for signals
Annex B (informative) Bibliography