How to adjust the small dislocation display for fiber splicer machine AI-7/7C/8/8C/9 

if the screen can not show the fiber in the right position, plz note that we may need adjust it.
so the first thing is check the v-grooves and then press the reset button, if the machine can work well, there is no problem,
if you try over and over again, the machine can not solve, you need dismantle the machine like the video to adjust it.
plz connect the power adapter firmly, and second is that use gloves to operate avoid the Static electricity ruin the motherboard and the power converter.