Korg Pa4X User Manual page 1093

3 Slightly lift the stand, and push the spring bolt (b) located under the tubing.
4 Once the spring bolt has been extended, raise the leg (c), until you hear a
'click'. At this point, the spring bolt (c) is automatically retracted, and the leg
is fixed in place. Please repeat the same procedure for all four legs.
b
i
Installing the options |1079