Nine, the upper limit temperature alarm function, temperature alarm function, the upper / lower limit temperature can be set;
温度上限报警功能， 温度下限报警功能，上/下限温度可设定 ；
Upper and lower limits of the alarm can be set freely;
报警上限和下限任意设定；
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。
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。
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