請幫忙翻譯(請不要使用翻譯工具)

The front-line officer did not know the proper use of closed circuit television (CCTV) system, so that video data failure.

Originally, the police stations were important locations for security, but the Independent Police Complaints Council (IPCC) said that the police duty room video CCTV system could not recorded as it became obsolete, or police officers operated in error and did not know the operation, so while the Complaints Against Police Office (CAPO) was investigating complaints, because of video data failure, that unable to view the video to lose a convincing proof.

前線人員不識正確使用閉路電視系統，令影像數據失效

Front-line staff did not know the proper use of closed circuit television system, so that image data failure

警署本為保安重地，但獨立監察警方處理投訴委員會表示，有警署值日室閉路電視系統過時未能錄影，或有警員錯誤及不懂操作，令警察投訴課調查投訴時，因影像數據失效，未能查看錄影帶失去有力證據。

Police station for security purpose in this, but the Independent Police Complaints Commission said there were police duty room video CCTV system can not become obsolete, or police officers operating errors and do not understand, so that the CAPO investigation of complaints, because of image data failure, unable to view the video to lose a convincing proof.