Daktronics Valo Digital Billboard - Manual (Page 23)

Removing Modules from the Display 15
6. Attach one end of the safety lanyard to a lanyard attachment ring on the module. Attach
the other end of the safety lanyard to a nearby upright or wire rod. Use the safety
lanyard in this way to prevent module damage.
7. Use a T-handle Allen wrench to disengage module latches.
8. Carefully push the module out of the display face.
9. Pivot the module to pull it through the back of the display.
10. Reverse Steps 1-9 to reinstall the module.