D.A.S. Audio Aero 50 - Manual (Page 16)

Once the complete array has been lifted into place, additional slings should be attached to secure the
array and avoid swinging.
To lower the system, both hoists should be used until the lowest box is about 1 meter from the ground.
From there on, only the front hoist should be used so that the array assembly begins to lean forward, at the
same time, the
PL-50 platforms should be reattached. When the wheels of the lowest enclosure are firmly on
the ground, the array assembly can now be lowered using the rear hoist.
While the array assembly descends, the rear of the enclosures will come together, at that moment, the
safety pins which hold the G2A48 guides in place should be removed. Once removed, the guides should be
swung back into the box they belong to. Finally, the boxes should be totally detached from one another by
releasing the G1A50 guide.
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Manual del Usuario / aero 50 / User’s Manual