L-Acoustics A10 Owner's Manual page 61

Moving parts
1. Press the push button. The ball-locking mechanism is retracted.
2. Release the button. The ball-locking mechanism is activated.
3. Insert the pin in each storage and rigging hole. Pull and rotate the pin.
The pin must remain inside the hole.
If the pin is inserted in two plates, the ball must pass through both plates and lock the pin in place.
If the check fails, immediately withdraw the product from use and contact L-Acoustics.
Related tasks
Rigging part inspection (p.52)
A10 owner's manual (EN) version 1.1
Inspection and preventive maintenance
61