设备操作类 - 问题：如何开启和关闭执法记录仪？（How to turn on and off the law - enforcement recorder?） - 回答：通常长按电源键可开启，再次长按可关闭。（Generally, long - press the power button to turn it on, and long - press it again to turn it off.） - 连接传输类 - 问题：执法记录仪连不上电脑，无法识别怎么办？（The law - enforcement recorder cannot be connected to the computer and is not recognized. What should I do?） - 回答：检查 USB 连接线有没有插好，或者更换 USB 连接线试试；也可能是未安装对应驱动程序，需安装或更新驱动。（Check whether the USB cable is properly plugged in, or try replacing the USB cable. It may also be that the corresponding driver is not installed, and you need to install or update the driver.） - 视频录制类 - 问题：录制视频无声音怎么办？（What should I do if there is no sound in the recorded video?） - 回答：可能是声音功能被关闭，进入设置菜单，检查录音功能是否开启，并将音量调至合适大小；也可能是麦克风堵塞，需清理麦克风孔周围的灰尘。（It may be that the sound function is turned off. Enter the settings menu, check whether the recording function is turned on, and adjust the volume to an appropriate level. It may also be that the microphone is blocked, and you need to clean the dust around the microphone hole.） - 存储管理类 - 问题：存储空间不足怎么办？（What should I do if the storage space is insufficient?） - 回答：删除记录仪内已备份或不需要的视频、图片和录音文件；也可开启循环录像功能，自动覆盖旧文件，但需及时导出备份数据。（Delete the backed - up or unnecessary videos, pictures and audio files in the recorder. You can also enable the loop - recording function to automatically overwrite the old files, but you need to export and back up the data in time.） - 设备维护类 - 问题：执法记录仪进水了怎么办？（What should I do if the law - enforcement recorder gets wet?） - 回答：应立即关机，不要尝试开机，尽快拆开机器用酒精清洗，然后晾干，若涉及硬件损坏，需更换损坏部件。（Immediately turn off the device, do not try to turn it on. Disassemble the machine as soon as possible, clean it with alcohol, and then dry it. If there is hardware damage, the damaged parts need to be replaced.） - 使用规范类 - 问题：执法记录仪应佩戴在什么位置？（Where should the law - enforcement recorder be worn?） - 回答：通常应佩戴于肩部、胸部等便于记录的位置，确保镜头不被遮挡，能清晰完整地记录画面。（It should usually be worn on the shoulder, chest and other positions that are convenient for recording, to ensure that the lens is not blocked and can record the picture clearly and completely.）