Nexo GEO T - Manual (Page 6)

Page 6/67 TABLE OF CONTENTS
TABLE OF CONTENTS
PLEASE READ CAREFULLY BEFORE PROCEEDING ....................................................................................... 3
TABLE OF CONTENTS.......................................................................................................................................... 6
1 Introduction .................................................................................................................................................... 7
2
GEO T General Set-up Instructions ............................................................................................................... 9
2.1 Speaker Wiring ...................................................................................................................................... 9
2.2 Amplifier
Selection............................................................................................................................... 10
2.3 Current rating....................................................................................................................................... 12
2.4 Amplifier settings ................................................................................................................................. 12
2.5 Example............................................................................................................................................... 13
3 NS-1 Simulation software............................................................................................................................. 15
4 GEO T rigging procedure ............................................................................................................................. 16
4.1 SAFETY FIRST ................................................................................................................................... 16
4.2 General Description............................................................................................................................. 18
4.3 “Tension Mode” Setup ......................................................................................................................... 19
4.4 “Compression Mode Full Kelping Beam” Setup .................................................................................. 26
4.5 “Compression Mode – Half Kelping Beam” Setup .............................................................................. 33
4.6 Testing and Maintenance of the system ............................................................................................. 40
5 NEXO NX242 Digital Controller for GEO T.................................................................................................. 41
5.1 NX242 Proprietary Functions .............................................................................................................. 41
5.2 Cardioid LF and VLF ........................................................................................................................... 42
5.3 GEO T NX242 Setups description....................................................................................................... 43
5.4 Trouble shooting.................................................................................................................................. 44
5.5 Delays & System alignment ................................................................................................................ 45
5.6 Driving the CD18s from the AUX send................................................................................................ 46
6 GEO T Tangent Array System Check List ................................................................................................... 48
6.1 Are the NX242 Digital TDcontrollers properly configured? ................................................................. 48
6.2 Are the amplifiers properly configured? .............................................................................................. 48
6.3 Are the amps and the NX properly connected? .................................................................................. 48
6.4 Are the speakers properly connected and angled ?............................................................................ 49
6.5 Final Pre-Sound Check Check ............................................................................................................ 49
7 Technical Specifications............................................................................................................................... 50
7.1 GEO T4805 Vertical Tangent Array Module ....................................................................................... 50
7.2 GEO T2815 Vertical Tangent Array Module ....................................................................................... 52
7.3 CD18 Directional Sub-Bass................................................................................................................. 54
7.4 GEO T Rigging system........................................................................................................................ 56
7.5 NX242 TDcontroller ............................................................................................................................. 58
8 Connection diagrams ................................................................................................................................... 60
8.1 GEO T4805 / T2815 to amplifiers and NX242 .................................................................................... 60
8.2 CD18 to amplifiers and NX242............................................................................................................ 61
9 GEO T Series Parts & Accessories List....................................................................................................... 62
9.1 Array Modules & Control Electronics List ............................................................................................ 62
9.2 Accessories List................................................................................................................................... 62
10 Recommended installation tools and equipment..................................................................................... 64
11 USER NOTES.......................................................................................................................................... 65