当按钮状态发生改变时(通常是按钮被按下)，就会生成事件。

When the button state is changed (often by being pushed), the event will be generated.

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按下确认键更改流量加速状态。

Press enter to change flow acceleration. On OFF.

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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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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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