Fixed! Dolphin XP005 with M3 Clamp cannot Hold Ford Key in Horizontal Position

Dolphin XP005 with M3 Clamp, Ford key cannot stand in horizontal position.
sideways key
ford key sideways
There should be a screw fixing the key on different positions
fixing screw
fixing screw

How to Install M3 Fixture?
Adjust the screw to insert key in/ out.
adjust screw
1.Loosening the screw by turning it counter-clockwise
2.Install M3 clamp to the holder and push it to the limit of left
push to left
3.After the clamp is put in the clamp platform, tighten the screw
tighten screw