本机采用软件设置，自动省电功能。
The use of the software installed, automatic power-saving features.
自动省电模式，最大程度地在轻负荷运行效率。
Automatic power-saving modes maximizes efficiency during light load operation.
还有距离调节，振动，警音，自动省电等特点。
Also from the regulator, vibration, Superintendent sound, automatic power-saving features.
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