*6. Prior to entering areas with high concentrations of fishing vessels,thoroughly inspect and test navigational aids and communication equipment, including radar, ECDIS/ECS, AIS, VDR, VHF, navigation lights, daylight signaling lamp, and other sound-signaling appliances, to ensure that they are all in good working condition.(进入渔船密集区水域之前,对雷达、电子海图、船舶自动识别系统、航行数据记录仪、甚高频无线电话,以及航行灯、白昼信号灯和其他声响信号设备进行检查和测试,确保正常可用。)