[9-1 相机不识别解决方法](7.1%E7%9B%B8%E6%9C%BA%E4%B8%8D%E8%AF%86%E5%88%AB%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95.md) [9-2 485不通（有显示没有语音播报）](7.2485%E4%B8%8D%E9%80%9A%EF%BC%88%E6%9C%89%E6%98%BE%E7%A4%BA%E6%B2%A1%E6%9C%89%E8%AF%AD%E9%9F%B3%E6%92%AD%E6%8A%A5%EF%BC%89.md) [9-3 道闸故障问题](7.3%E9%81%93%E9%97%B8%E6%95%85%E9%9A%9C%E9%97%AE%E9%A2%98.md)