L-Acoustics A15i Series Owner's Manual page 70

Rigging procedures
A15i-LIFT quantity and position
Use one A15i-LIFT for up to three enclosures in the array.
Do not leave more than two adjacent enclosures unsupported.
Refer to APPENDIX A: Authorized congurations with A15i-LIFT
Risk of tilting
When using a single motor or a bridle, make sure the array is symmetrical.
Assembly
Procedure
1. Place the enclosures (logo on top) at the lifting location.
70
(p.111).
A15i owner's manual (EN) version 1.0