计时器：温到计时，时到断电报警指示。
Timer: temperature to time, when the power failure alarm indication.
该通知是用 指示灯或声音报警来实现的。
The notification is by means of an attention light or an audible alarm.
LED灯以不同频率闪烁指示不同的故障报警状态。
LED flashing at different frequencies indicate the different alarm status.
LED灯以不同频率闪烁指示不同的故障报警状态。
LED flashing at different frequencies indicate the different alarm status.
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