Name: L-Acoustics ARCS WIDE
Brand: L-Acoustics
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ARCSWIFO_RM_EN_3.0 w w w . l - a c o u s t i c s . c o m 3

WELCOME TO L-ACOUSTICS

Thank you for choosing the L-ACOUSTICS

ARCS

WIDE SYSTEM or ARCS

FOCUS SYSTEM.

This document contains essential information on rigging the system properly. Carefully read this document in order to

become familiar with this procudures.

As part of a continuous evolution of techniques and standards, L-ACOUSTICS

reserves the right to

change the specifications of its products and the content of its documents without prior notice.

Please check the L-ACOUSTICS

web site on a regular basis to download the latest documents: www.l-acoustics.com.

CONTENTS

1 RIGGING SYSTEM COMPONENTS 4

1.1 Loudspeaker enclosures .......................................................................................................................................... 4

1.2 Rigging elements ...................................................................................................................................................... 4

1.3 Software application ................................................................................................................................................ 4

2 MECHANICAL SAFETY 6

2.1 Maximum configurations ......................................................................................................................................... 6

2.2 Assessing mechanical safety ..................................................................................................................................... 7

3 TECHNICAL DESCRIPTION 8

3.1 Flying ........................................................................................................................................................................ 8

3.1.1 WIFOLIFT ................................................................................................................................................ 8

3.1.2 WIFOLIFTBAR ......................................................................................................................................... 9

4 SYSTEM SETUP 10

4.1 Ground-stacking .................................................................................................................................................... 10

Horizontal ............................................................................................................................................................. 10

Horizontal stacked on SB18m .............................................................................................................................. 10

Vertical stacked on SB18m ................................................................................................................................... 10

4.2 Flying ...................................................................................................................................................................... 11

Horizontal 2 or 4 enclosure .................................................................................................................................. 11

Horizontal 3, 5 or 6 enclosure .............................................................................................................................. 12

Vertical ............................................................................................................................................................... 13

4.3 Pole-mounting ....................................................................................................................................................... 14

On feet or on top of SB18m ................................................................................................................................. 14

5 SUBSET PROCEDURES 15

Locking a rigging bar (WIFORIG, SB18MRIG or WIFOLIFT) ......................................................... 15 PROCEDURE A

Using WIFOTILT to adjust ARCS WIDE/FOCUS site angle .......................................................... 16 PROCEDURE B

Attaching a WIFOLIFTBAR ............................................................................................................ 18 PROCEDURE C

5.1.1 Description ............................................................................................................................................ 18

5.1.2 Tilt angle definition and rigging holes choice .......................................................................................... 18

5.1.3 Procedure .............................................................................................................................................. 20

Attaching a shackle or CLAMP250................................................................................................. 22 PROCEDURE D

Mounting the WIFOSOCK ............................................................................................................. 24 PROCEDURE E

APPENDIX A PULLBACK IMPLEMENTATION 25

A. Vertical Array ......................................................................................................................................................... 25

B. Horizontal array ..................................................................................................................................................... 26

APPENDIX B TILT ANGLE REFERENCE CHARTS 27

APPENDIX C RECOMMENDED FLIGHT-CASE 31

APPENDIX D SPECIFICATIONS 32

ARCS

FOCUS ................................................................................................................................................................. 32

ARCS

WIDE.................................................................................................................................................................... 33

SB18m .............................................................................................................................................................................. 34

CLAMP250 ....................................................................................................................................................................... 35

WIFOBUMP ..................................................................................................................................................................... 35

WIFOLIFT ........................................................................................................................................................................ 35

WIFOLIFTBAR ................................................................................................................................................................. 36

WIFOSOCK...................................................................................................................................................................... 36

WIFOTILT ........................................................................................................................................................................ 36