Iec 60073 Pdf 2021

The standard defines specific methods for coding information so that users can react immediately and correctly to signals. 1. Visual Coding (Colors and States)

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For push-buttons and controls, the standard provides rules to prevent accidental activation: iec 60073 pdf

| Sound Type | Meaning | |------------|---------| | Continuous steady tone | General attention (e.g., start-up warning) | | Intermittent (beep, 1 Hz) | Normal confirmation (e.g., keypress) | | Fast intermittent (2+ Hz) | Urgent warning, approaching danger | | Wailing / rising pitch | Emergency evacuation or critical fault | | Chime / pleasant tone | Success, normal completion | The standard defines specific methods for coding information