Students will power is sent to the control box, press ON / OFF button switch ON keys, operation indicator light, machine.
将电源送至控制箱内，按下ON/OFF按钮开关的ON键，运转指示灯指示，机。
The power indicator for the USB device is still on. You would expect the power indicator to show that the USB device is powered off.
USB设备指示灯仍然是亮的，而并你所非预期的那样指示USB设备已经停止工作。
When you click Safely Remove Hardware in Windows XP, the power indicator turns off and the USB device powers off.
当你在xp系统中点击安全删除硬件时，指示灯熄灭，USB设备停止工作。
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