电源按钮锁定功能可防止镜头因为按下电源按钮而意外伸出。
This prevents the problem of unexpected extension of the lens since the lock function is in effect if the power button is pushed.
就是先获得恰当的闪光曝光值，压下闪光曝光锁按钮，锁定这个曝光值。
FE lock is simply obtaining a proper flash exposure, pushing the right button to lock in that exposure.
在选定一个锁定的透视图之后，Edit按钮便被禁用。
When a locked perspective is selected, the Edit button will be disabled.
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