d&b V-Series - Manual (Page 40)

5.1. Hoisting the array
WARNING!
Potential risk of personal injury and/or
damage to material!
Always ensure that each of the hoists is able to carry the total
weight of the array.
When hoisting the array, unpredictable dynamic forces as well as
swinging of the array must be taken into account. This may lead to
personal injury and/or damage to the rigging components and
loudspeaker cabinets.
Ensure that there is nobody directly underneath or in the vicinity of
the load who is not involved in the setup.
When all the mechanical adjustments, system checks and safety
checks have been made, the array can be hoisted up to its
operating position.
When hoisting the array, ensure that the loudspeaker cables do
not get caught anywhere. The cables can be strapped together
with the motor cable to form a loom while the system is hoisted.
The chain hoist motors must raise the system slowly and evenly so
that it does not swing or move from side to side during hoisting.
5.2. Securing the array
When the array is in its final operating position the secondary
safety must be applied. A detailed description is given in
Þ Chapter 2.8. "Secondary safety" on page 16.
5. Hoisting and securing the array
d&b V-Series Rigging manual (1.9 EN) 40