求翻译：4、采用人机对话界面设定和选择参数，数字式显示工作状态，功率自动显示，并具备安全自检、自锁和紧急激光终止装置，操作方便，性能安全可靠。是什么意思？

4, using the interactive interface to set and select parameters, digital display, power is automatically displayed, and have the security self-terminate the self-locking and emergency laser device, easy to operate, safe and reliable performance.

4, a man-machine interface to set up and select the parameter, and digital display, power, and security self-test, self-locking and emergency laser end unit, easy to operate, safe and reliable performance.

4th, uses the man-machine conversation contact surface hypothesis and the choice parameter, the digital demonstration active status, the power automatic demonstration, and has safe self-checking, the self-locking and the urgent laser termination installment, the ease of operation, the performance sa

4, the use of man-machine conversation interface creation and selection parameters, digital display working status, power display automatically, and security self, self-locking laser and emergency termination device, easy to operate, safe and reliable performance.

正在翻译，请等待...