目录 1.一般说明 1.1 简介 ......................................................................................................................................................1-1 1.2 设备说明 ................................................................................................................................................1-1 1.3 技术规格 ................................................................................................................................................1-2 1.4 TSO 限制 ................................................................................................................................................1-7 1.5 许可要求 ................................................................................................................................................1-7 1.6 认证 ......................................................................................................................................................1-7 1.7 故障检测和排除 (FDE) .............................................................................................................................1-7 1.8 有限保修 .............................................................................................................................................1-8 2.安装 2.1 简介................................................................................................................................................2-1 2.2 天线注意事项....................................................................................................................................2-1 2.3 机架注意事项....................................................................................................................................2-3 2.4 电缆和接线......................................................................................................................................2-3 2.5 冷却空气.............................................................................................................................................2-3 2.6 最低安装要求.............................................................................................................................2-3 3.安装后配置和检查程序 5.1 配置模式操作....................................................................................................................5-1 5.2 安装配置页面....................................................................................................................5-1 5.3 其他接地测试....................................................................................................................5-17 附录 A.安装步骤 3.1 装置和附件......................................................................................................................................3-1 3.2 数据库选项....................................................................................................................................3-4 3.3 其他选项...................................................................................................................................3-4 3.4 需要但未提供的安装附件.........................................................................................................................3-4 3.5 天线安装......................................................................................................................................3-4 3.6 电缆安装......................................................................................................................................3-5 3.7 机架安装......................................................................................................................................3-7 3.8 400 系列装置插入和移除.............................................................................................................3-7 3.9 COM 天线安装检查（GNC 420 和 GNS 430）.............................................................3-7 4.认证文件 A.1 持续适航性................................................................................................................................A-1 A.2 环境资质表—GNS 430...............................................................................................A-3 A.3 环境资质表—GNC 420.......................................................................................A-4 A.4 环境资质表—GPS 400.............................................................................................A-5 A.5 环境资质表—GA 56.............................................................................................A-6 附录 B. STC 许可....................................................................................................................................B-1 附录 C. 400 系列 RS-232 航空数据格式.............................................................................................C-1 附录 D. 400 系列 RS-232 燃油/空气数据输入格式...........................................................................D-1 附录 E. 400 系列 LRU 接口概述..............................................................................................................E-1 附录 F. 图纸和互连................................................................................................................F-1 注意：除非另有特别说明，否则本文档中对 GNS 430 和 GNC 420 的引用应同样适用于 GNS 430A 和 GNC 420A。系统互连 4.1 引脚功能列表.....................................................................................................................................4-1 4.2 电源、照明和天线.....................................................................................................................................4-5 4.3 高度计.....................................................................................................................................................4-6 4.4 主指示器.............................................................................................................................................4-7 4.5 信号器/开关.............................................................................................................................4-9 4.6 串行数据.............................................................................................................................................4-11 4.7 COM/VOR/ILS 音频（仅限 GNC 420 和 GNS 430）.............................................................4-14 4.8 VOR/ILS 指示器（仅限 GNS 430）.............................................................................................4-16 4.9 RMI/OBI................................................................................................................................................4-18 4.10 DME 调谐（仅限 GNS 430）................................................................................................................4-19 5.