L-Acoustics A10 Owner's Manual page 80

Rigging procedures
Assembly
Procedure
1. Place the enclosures (logo on top) at the lifting location.
Optionally, prepare blocks of up to three enclosures. Refer to
2. Connect the enclosures at the top.
Pull the enclosures together to align the rigging.
Final check
Visually check that no yellow labels are visible.
Manually check that all linking points are secured.
80
Preparing a block of enclosures
A10 owner's manual (EN) version 1.1
(p.83).