: Color, shape, position, and time-dependent characteristics (e.g., flashing). Acoustic : Sound types and pure tones. Tactile : Textures or physical forms. Visual Coding (Color Definitions)
| 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 | iec 60073 pdf
The standard provides a uniform code for the use of colors, shapes, and other markers to identify the status of controls and indicators. Its goal is to minimize human error and ensure that operators can quickly understand the state of a machine regardless of the manufacturer. Key Features of IEC 60073 Color Coding for Indicators: Visual Coding (Color Definitions) | Sound Type |