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APPENDIX A: ASSEMBLING ARRAYS WITH THE MTG-1100 TOP GRID
To assemble an 1100-LFC array with the MTG-1100 top grid:
1. Attach the MTG-1100 top grid to the motors:
■ Place the MTG-1100 on the floor or on a road trunk in the approximate location where the rigging points have been
established and the motors have been hung.
■ Attach 7/8-inch shackles to the desired attachment points on the MTG-1100 (see Chapter 5, “MTG-1100 Pickup Config-
urations”).
NOTE: A 2-foot length of wire rope, or deck chain, placed between the shackles and the motor’s chain hooks
is recommended to prevent the chain bags from getting in the way of the top loudspeaker.
■ Lower the motors so the chain hooks can be attached to the 7/8-inch shackles. Once the shackles are secured to the
chain hooks, raise the grid slightly higher than the first stack of 1100-LFC loudspeakers to be linked.
2. Link the MTG-1100 top grid to the first 1100-LFC stack:
■ Roll the MCF-1100 caster frame with the first 1100-LFC stack into position under the grid. Up to three 1100-LFC loud-
speakers can be safely transported with the caster frame. Make sure the GuideALinks for the top cabinet have been
retracted and stowed.
■ Lower the grid so it is approximately 1 inch above the top cabinet in the stack. Adjust the placement of the stack on the
floor so the top cabinet’s rigging bars align with the grid’s link slots. Extend the GuideALinks from the top cabinet into the
grid’s link slots. Don’t worry if you can’t yet pin the GuideALinks to the grid. First pin the GuideALinks in the top cabinet
on the floor, in the extended position, with the 1/2 x 1.25-inch quick-release pins (blue) included with the 1100-LFC.
■ Lower the grid just enough so the GuideALinks from the top cabinet can be pinned to the grid. Pin the GuideALinks from
the top cabinet to the grid with the 1/2 x 1.50-inch quick-release pins (red) included with the grid.
■ Make sure that each GuideALink is pinned to the grid with the 1/2 x 1.50-inch quick-release pins (red) included with the
grid, and that each link is pinned in the top cabinet with the 1/2 x 1.25-inch quick-release pins (blue) included with the
1100-LFC. Make sure the GuideALinks for the other loudspeakers in the stack are securely pinned with the 1100-LFC
quick-release pins (blue).
■ Attach the AC power, audio, and RMS cables to the loudspeaker stack on the floor.
■ Raise the grid so the loudspeakers are suspended slightly off the floor and remove the two rear quick-release pins secur-
ing the caster frame to the bottom cabinet. Rest the rear wheels of the caster frame on the floor and remove the two front
quick-release pins to detach the caster frame from the bottom cabinet. Return the four quick-release pins to the bottom
cabinet.
■ Raise the grid so the suspended loudspeakers are slightly higher than the next stack of 1100-LFCs to be linked. Roll
away the empty caster frame.
3. Link the suspended 1100-LFCs to the next stack in the array:
■ Roll the next stack of 1100-LFCs into position under the suspended loudspeakers. Make sure the GuideALinks for the
top cabinet in the new stack have been retracted and stowed.
CAUTION: If the GuideALinks are not stowed as described in this step, you may damage the bottom of the sus-
pended cabinet when lowering it.
!