Turn off your signal after you leave the parking space.

离开停车位进入公路行驶后关闭转向灯。

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Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.

其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。

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A signal from the TV tells each side of the glasses when to turn on and off, showing each eye slightly different images that create the sense of depth.

VOA: special.2010.01.26

If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.

如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着

耶鲁公开课 - 生物医学工程探索课程节选

As an example, if a user draws a "W" on the dimmer, a signal could be sent to an IP connected water sprinkling system to turn on or off the sprinkler.

ENGADGET: Ube WiFi Smart Dimmer to receive customized multitouch gesture control