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AM1 and AM2 RADs, Application Example - Galvanic Isolation

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HAL SYSTEM DESIGN GUIDE Application Example - Galvanic Isolation The application shown below represents a HAL system where a RAD16z must connect to audio devices in another part of the building with a divergent technical ground. This can require galvanic isolation from a HAL host or individual isolation transformers on analog I/O. AM1 and AM2 RADs The Automixer 1 (AM1) is a mixer that expands the available microphone channels as well as line inputs, making it easy for an inexperienced operator to quickly set up and manage the audio for a small multimedia presentation involving up to four participants using wired or wireless microphones as well as several additional program sources (such as a laptop computer or a DVD player). The Automixer 2 (AM2) is a cascadable mixer that expands into the AM1 or other AM2s and increases the number of microphones by eight or more, but does not expand line inputs. Both products provide superior audio processing with a simple user interface. 30

Section	Page
CHAPTER 1: Welcome to the World of HAL	5
About This Document	5
System Requirements	7
Minimum Requirements for Running Halogen	7
Recommendations for Best Performance	7
Administrative Rights Requirements	8
Using the HAL System Documentation	8
Getting Started	10
CHAPTER 2: Introduction to the HAL System	12
Overview of HAL Devices	15
Available HAL Models	15
HAL Front and Rear Panels	16
Discontinued HAL Models	22
Remote Audio Devices	25
How the shielded CAT 5e Cabling is Utilized	25
RAD Grounding	26
The Parts of a RAD	28
PAGER1 RAD	30
RAD16z	31
AM1 and AM2 RADs	34
RAD26 - One Room RAD	35
RAD27 - USB Audio	41
Using a RAD as a Portable Device	45
Discontinued RAD Models	47
Digital Remote Devices	47
DR Grounding	48
Available Digital Remote Models	48
Infrared Remote Devices	65
IR2 Device	65
Expansion Units	67
HAL1x Expansion Units	68
Discontinued EXP Models	89
Momentary and Latching Toggle Configuration	89
Introduction to the Halogen Software	92
Basic Structure	93
Workspace Layout	94
HAL System Connectivity	95
Required Ports	95
Required Processes	96
CHAPTER 3: Key Audio Design Features	98
About the Distributed Program Bus	98
About Zone Processing	100
About Paging	103
About Control Links	110
Basics of Control Linking	110
Advanced Topics	118
Best Practices	124
About Room Combine	126
About Presets	140
About Events	153
About Control Pages	158
Basics of Control Pages	158
Advanced Topics	165
Best Practices	166
CHAPTER 4: Designing and Installing Your HAL System	169
Recommended Workflow for Creating a HAL System	169
A Few Design and Installation Tips	172
Installing and Starting the Halogen Software	172
About Halogen Configuration Files	174
Creating, Viewing, and Modifying Notes about a HAL System Configuration	177
Generating Device Labels	178
Generating Hardware Lists	180
Upgrading Halogen Software and HAL Firmware	180
Uninstalling the Halogen Software	182
APPENDIX A: Transitioning from Drag Net	183
Index	186

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Application Example - Galvanic Isolation

The application shown below represents a HAL system where a RAD16z must connect to audio devices in another

part of the building with a divergent technical ground. This can require galvanic isolation from a HAL host or

individual isolation transformers on analog I/O.

AM1 and AM2 RADs

The Automixer 1 (AM1) is a mixer that expands the available microphone channels as well as line inputs, making

it easy for an inexperienced operator to quickly set up and manage the audio for a small multimedia presentation

involving up to four participants using wired or wireless microphones as well as several additional program

sources (such as a laptop computer or a DVD player).

The Automixer 2 (AM2) is a cascadable mixer that expands into the AM1 or other AM2s and increases the number

of microphones by eight or more, but does not expand line inputs. Both products provide superior audio proc-

essing with a simple user interface.

HAL SYSTEM DESIGN GUIDE