Fault and operational status display of Chinese characters, language, sound and light alarm.
故障及运行状态汉字显示，语言声光报警。
Are sound and light alarm signal form.
报警信号均为声光形式。
The system also has the function of sound and light alarm, and it can set the alarm value by the upper and lower button.
该系统还具有声光报警功能，并可通过按键对报警上下限进行设置。
Sound and light alarm function of level 2.
二级声光报警功能。
Sound and light alarm function of level 2.
二级声光报警功能。
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