Alcons LR18/120i Panduan Pengguna - Halaman 11

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5. Array configurations ___________________________________________

GRD18 options

The GRD18 is used with 12-24 LR18i arrays and has multiple

mounting options. The picture on the right shows the different pick-

points for flying an array. The A1 & A2 marked points are the default

hoist points.

It is possible to use one pick point from the A1 linear pattern. Use it

only for max. 12x LR18i cabinets

When hanging a 6-12 LR18i array with 2 hoist points, ensure that

the Centre of Gravity is evenly spaced between the two A1 pick

points.

In case of a permanent installation, combine points A1 and 2x A2 for

a stable 3-point hang. Use 1,5T shackles at all times

A3 indicates the mounting position of an angle inclinometer. It has a

4x ø4mm; 16.5mm x 108.8mm hole pattern for the Teqsas laser/

inclinometer.

Hole A4 can be used for a cable sling attachment.

The 2 holes A5 will hold the connection pin between the LR18i angle

arm and GRD18

The picture below shows the orientation of the LR18i angle bar

inside the GRD18 and GRD18B. The angles are also indicated on

the GRD sticker.

Rigging manual LR18i Rev. 1.1