you shuold focus the viewfinder lens.
你应该调节取景器镜片的焦距。
before you do that ,make sure the power source is connected to the camera
在你做这个之前，确保电源中心与相机连接。
then you set the power switch to camera.
然后你调节电源开关到相机。
look,this is the power switch .you turn it to camera like this .
看，这是电源开关。你像这样把他调节到相机。
then open the standby cover and turn the iewfinder lens .
然后打开the standby cover （这是什么意思？）并且旋转指示镜片。

you should stop turning as soon as the indicators in the viewfinder come into sharp focus .
一旦取景器获得清晰对焦，你应该停止转动指示器。

video camera recorder是摄像机的意思吗？

remember to close the AUTO LOCK cover for automatic adjustment.

记得关闭AUTO LOCK （什么意思？） cover for automatic adjustment.是盖上自动调节器的意思吗？
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麻烦看看我的翻译那些有问题，或者不到位的。还有些不懂得麻烦解释下。