4.1 简介................................................................................................................................................4-1 4.2 测试模式操作...............................................................................................................................4-1 4.3 安装配置...............................................................................................................................4-1 4.3.1 显示调整.........................................................................................................................................4-2 4.3.2 I/O 通道 1.........................................................................................................................................4-2 4.3.3 ARINC 429 通道.........................................................................................................................4-3 4.3.4 CDI 校准....................................................................................................................................4-5 4.3.5 选定航线校准....................................................................................................................................4-5 4.3.6 进近设置.........................................................................................................................................4-5 4.3.7 配置.........................................................................................................................................4-6 4.3.8 远程电池设置.............................................................................................................................4-6 4.3.9 I/O 通道 2 ...........................................................................................................................4-7 4.4 地面测试...................................................................................................................................4-7 4.4.1 电源测试..............................................................................................................................4-8 4.4.2 CDI 和标志测试......................................................................................................................4-8 4.4.3 信号器测试.............................................................................................................................4-9 4.4.4 外部开关测试......................................................................................................................4-9 4.4.5 通信环回测试.........................................................................................................................4-10 4.4.6 高度输入测试......................................................................................................................4-10