d&b V-Series - Manual (Page 39)

Before hoisting the array to its operating position recheck the
actual status of the assembly as follows:
Note: When applicable, the same system and safety checks
also apply to ground stack assemblies.
4.1. Mechanical setup
–
Check the attachment of the Load adapter(s) to the Flying
frame and ensure all Locking pins are properly inserted and
locked.
– Check the attachment of the secondary safety device at the
Flying frame (refer to section Þ Chapter 2.8. "Secondary
safety" on page 16).
– Check the attachment of the Flying frame(s) to the cabinets
and ensure all Locking pins are properly inserted and locked.
– Check the attachment of all Front links on both sides of the
cabinets and ensure all Locking pins are properly inserted and
locked.
– Check the splay angles and the attachment of the Splay/Rear
links on the rear of the cabinets and ensure all Locking pins
are properly inserted and locked.
– In "Single pickpoint operation" check the desired total vertical
aiming of the entire array using an inclinometer.
4.2. Wiring
–
Check the wiring.
If the amplifiers are already wired and powered on, use their
System check functions or Channel mute switches and a test
signal to check the correct operation and routing of all
channels and cabinets.
4. Safety and system checks
d&b V-Series Rigging manual (1.9 EN) 39