本文件中提供的材料包括与运输类飞机平视显示器（HUD）的设计、分析、测试和预期功能相关的建议。本文件的内容仅限于一般设计和安装注意事项的陈述，包括显示功能关键性和合规性注意事项；符号学、编码、杂乱、维度和引人注意的要求；设备安装；显示视觉特征；失效模式；信息显示和格式化；特定的集成显示和模式；以及系统验证。

The material provided in this document consists of recommendations related to the design, analysis, testing, and intended functions of head up displays (HUDs) for transport category airplanes. The content of the document is limited to statements of general design and installation considerations, including display function criticality and compliance considerations; symbology, coding, clutter, dimensionality, and attention getting requirements; equipment installation; display visual characteristics; failure modes; information display and formatting; specific integrated display and mode; and system verification.