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AEC Configuration Blocks, Expansion Bus LED, Locate and Power LEDs

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CHAPTER 2: Introduction to the HAL System Use one of these jacks to connect the EXP5x to the HAL, using a shielded CAT 5e (or better) cable. Use the other jack to connect the EXP5x to another Expansion Unit, thus forming a daisy chain. The Link LED lights when the HAL is communicating with the EXP5x. Front Panel 1. AEC Configuration Blocks These LEDs indicate the number of Acoustic Echo Cancellation (AEC) DSP blocks currently configured for the EXP7x. When lit, that block is included in the current Halogen configuration. These LEDs always light in order from 1 to 8, depending on the number of AEC blocks that are currently configured. 2. Expansion Bus LED If lit, indicates that the Expansion Unit is properly connected to the HAL. If Expansion Units are properly connected to one another and to the HAL port yet this status LED remains dark, there is likely a problem with the connection between the HAL or last Expansions Unit in the chain where this LED is lit and the first Expansion Unit in the chain where this LED remains dark. 3. Locate and Power LEDs The Locate LED, which flashes when toggled from within the Halogen software, helps identify a specific EXP - useful if you have more than one EXP installed. The Power LED lights when adequate power is applied to the unit. 84

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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Use one of these jacks to connect the EXP5x to the HAL, using a shielded CAT 5e (or better) cable. Use

the other jack to connect the EXP5x to another Expansion Unit, thus forming a daisy chain.

The Link LED lights when the HAL is communicating with the EXP5x.

Front Panel

AEC Configuration Blocks

These LEDs indicate the number of Acoustic Echo Cancellation (AEC) DSP blocks currently configured

for the EXP7x. When lit, that block is included in the current Halogen configuration. These LEDs always

light in order from 1 to 8, depending on the number of AEC blocks that are currently configured.

Expansion Bus LED

If lit, indicates that the Expansion Unit is properly connected to the HAL. If Expansion Units are properly

connected to one another and to the HAL port yet this status LED remains dark, there is likely a problem

with the connection between the HAL or last Expansions Unit in the chain where this LED is lit and the

first Expansion Unit in the chain where this LED remains dark.

Locate and Power LEDs

The Locate LED, which flashes when toggled from within the Halogen software, helps identify a specific

EXP — useful if you have more than one EXP installed. The Power LED lights when adequate power is

applied to the unit.

CHAPTER 2: Introduction to the HAL System