[DD01型随动操舵仪]

[ZDD02型自动操舵仪]

[ODD型直流舵角指示器]

[OD1型交流舵角指示器]

[OD2型交流舵角指示器]

[舵传令钟]

[电子灯光传令钟]

[电子报警器]

[压电陶瓷鸣音]

[电铃]

[通用紧急报警系统]

[机舱组合报警灯柱系统]

[轮机员安全报警系统]

[桥楼航行值班报警系统]

[水密门开闭指示系统]

[病房呼叫系统]

[倾斜仪]

[电键开关]

[滤波器]