手动方式状态下，按“切换”键进入全自动方式。

Under the manual mode, press the "switch" key and then to the fully automatic mode.

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按“清零”键，进入手动检测。

Press the "reset" key and to the manual test.

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按“清零”键，进入手动检测。

Press the "reset" key and to the manual test.

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