ALLEN & HEATH GR2

ALLEN&HEATH
Safety Instructions ............... 3
Introduction ......................... 4
Welcome to the GR2 ........... 5
Features............................... 6
Audio Signal Paths .............. 8
System Function.................. 9
Connecting Power............... 9
Front Panel .......................... 10
Rear Panel ........................... 11
Configuration Settings......... 12
Zone Remote Wired ............ 14
PL-12 Wall Plate................... 15
Utility Remote ...................... 16
Installation............................ 17
Applications ......................... 18
Specification ........................ 20
Configuration Sheets........... 22
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Audio Zone Mixer
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USER GUIDE
INSTALLATION
Publication AP6320

ALLEN & HEATH GR2 Specifications

General

Brand	ALLEN & HEATH
Model	GR2
Category	Music Mixer
Language	English

Summary

Limited One Year Warranty

Conditions Of Warranty

Details the terms and conditions for the limited one-year warranty.

Important Safety Instructions

General Safety Precautions

Essential guidelines for safe operation, installation, and maintenance of the unit.

Introduction

Mains Plug Wiring Instructions

Instructions for correctly wiring the mains plug for different regions.

Welcome to the GR2

Features

Mic and Line Input Configuration

Details on the 6/4 mic/line inputs, including phantom power, gain, EQ, and configuration.

Expander, Paging, and Stereo Music Input Features

Describes mic expander, paging channel, and stereo line input features.

Additional Features and Connections

Zone Outputs, Aux Output, and Remote Connectivity

Details on zone outputs, aux output, and remote control connections (Zone/Utility).

Unit Mechanics and Connector Types Overview

Overview of the unit's mechanics, rack mounting, and connector types.

Audio Signal Paths

Page, Mic, and Music Mix Signal Paths

Explains the signal flow and function of page, mic, and music mix buses.

Zone Mixes and Aux Output Signal Path Details

Details how mixes are routed to zones and the aux output.

System Functionality

System Configuration Settings and DIP Switches

Explains how DIP switches configure system functions for installation.

Priority and Remote Control Operations Overview

Details mic priority, music priority, paging, and remote control capabilities.

Front Panel Operator Controls

Front Panel Level and Signal Controls

Describes rotary controls for input levels, zone levels, and signal meters.

Front Panel Source, Mute, and Priority Controls

Explains source select, mute switches, priority switches, and indicators.

Rear Panel Connections

Rear Panel Input and Output Connectors

Details mic, music, zone, and aux output connectors.

Rear Panel Remote Control and Power Connectors

Describes zone remote, utility remote connectors, and mains input.

Front Panel Configuration Settings

Front Panel DIP Switch Functionality

Explains the function of each DIP switch for system configuration.

Front Panel Configuration Notes and Priority Settings

Provides notes on phantom power, paging, mic priority, and music priority.

Channel and Equaliser Settings

Channel Trim Settings Adjustment

Instructions for setting pad and gain trims for mic and music inputs.

Equaliser (EQ) Settings Adjustment

Details EQ settings for mic inputs and zone 1, including HPF, MF, and HF.

Remote Control - Zone Level and Source Selection

Zone Control: Voltage and CAT5 Wiring

Explains voltage control and CAT5 wiring for remote zone level/source selection.

Zone Control Wiring Examples

Provides wiring examples for controlling zone level and source selection.

Remote Control - PL-12 Wall Plate

PL-12 Wall Plate Setup and Control

Details setup options and control capabilities of the PL-12 wall plate.

PL-5 IR Controller and Preset Management

Describes the PL-5 IR remote and its preset functions.

Remote Control - Utility Functions

Utility Remote Functions and CAT5 Wiring

Explains utility remote functions and CAT5 wiring.

Utility Control Interfacing and Power

Guidance on interfacing with external equipment and 10V power for utility control.

Installation Methods and Placement

Rack and Desk Mounting

Instructions for mounting the GR2 unit in a rack or on a desk.

Installation Placement and Ventilation

Advice on positioning the unit to avoid heat and interference.

Application Example 1: Two Room Bar or Restaurant

BarRestaurant Application Configuration

Details the configuration settings for a bar/restaurant application.

Application Example 2: Conference Setup

Conference Application Configuration

Details the configuration settings for a conference application.

Technical Specifications

System, Paging, and Routing Specifications

Technical specifications for system control, paging, and routing.

Input, Output, and Performance Specifications

Details on input/output types, levels, performance, and noise.

Power Supply Specifications

Information on mains input voltage, current, and fuse rating.

Remote Control Details

Zone Level and Source Select Control

Explains voltage control for zone level and source select.

Utility Switches and Mechanical Specs

Details utility switch functions and mechanical dimensions.

Configuration Sheet Summary

Configuration Sheet: Settings, Connectors, and Plates

A summary of GR2 settings, connectors, and PL-12/PL-5 configurations.

Operator Sheet