The cold air in the working chamber can convent if the exhaust valve on top of the oven is open, the temperature is controlled constant automatically by digital display instrument.

开启箱顶排气阀可使工作室温之冷空气得以对流交换，温度控制采用数字显示仪表自动恒温调节。

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During the constant temperature process, the temperature will be controlled automatically by the temperature controller in the oven, without manual operation.

在恒温过程中，借助箱内控温器自动控温，不用人工管理。

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The dial-controlled technology and lower temperature made the oven easier to manage and allowed slices to be reheated without risk of burning bits of cheese on the cooking surface, which fouls the taste.

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