本文件规定了老年人和视觉残疾人士使用的消费品上的指示灯（主要来自LED）的设计要求和建议。它不考虑盲人的需要。 指示灯包括视觉上告知用户产品状况、功能状态和设置的变化以及故障的指示灯。它们通过灯光开/关、时间调制强度、闪烁、颜色、亮度级别和布局来传递信息。 本文件涉及家用和家用电器。它不包括呈现专业、技术和工业应用中特殊用途的字符和图形、机械和电器的电子显示器。

This document specifies design requirements and recommendations for indicator lights, mainly LED sourced, on consumer products for use by older people and people with visual disabilities. It does not consider the needs of persons who are blind. Indicator lights include those that inform users visually about the conditions, changes in functional status and settings, and malfunction of products. They convey information by light on/off, time-modulated intensity, blinking, colour, luminance level, and layout. This document addresses household and home appliances. It excludes electronic displays presenting characters and graphics, machinery, and appliances in special use for professional, technical, and industrial applications.