You can also find the power button and lock screen key on this squiggly cable, as well as another microphone for noise cancellation and improved voice quality.
这根弯弯曲曲的线缆上还能找到开机键和锁屏键，以及另外一个麦克风，用于噪音消除和提升语音质量。
2
On Canon units, the FE lock is the asterisk button (*) directly below the display screen on top of the camera.
在佳能装置上，FE 锁是在相机顶部显示屏正下方带星号的按钮（*）。
3
FE lock is simply obtaining a proper flash exposure, pushing the right button to lock in that exposure.