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Genelec GLM 4 User Manual

Genelec GLM 4
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GLM 4 System Operating Manual
Genelec Loudspeaker Manager GLM

Table of Contents

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Genelec GLM 4 Specifications

General IconGeneral
ManufacturerGenelec
Room CalibrationYes
Measurement MicrophoneIncluded
AutoCalYes
Group ControlYes
Operating SystemWindows, macOS
ControlVia GLM software
CompatibilityGenelec Smart Active Monitors and Subwoofers
SoftwareGenelec Loudspeaker Manager (GLM)
ConnectivityEthernet
EQYes
FunctionMonitor Calibration and Control

Summary

Introduction

Glossary

System Components

SAM Monitors

Overview of Genelec's Smart Active Monitoring (SAM) main monitors.

SAM Subwoofers

Details on Genelec's smart active subwoofers supporting multichannel audio inputs.

Adaptive Woofer System

Information on the W371 Adaptive Woofer System and its capabilities.

Genelec Network Adapter

Description of the GLM Network Adapter for system connectivity, volume control, and microphone interface.

Genelec Loudspeaker Manager Software

Overview of the GLM software for system setup, calibration, and continuous management of SAM monitors.

Getting Started with Genelec GLM

Placing Monitors and Subwoofers

Guidance on optimal placement of monitors and subwoofers in the monitoring room.

Cabling for Audio Signals

Instructions for connecting audio signals to monitors and subwoofers for various configurations like stereo and surround.

GLM Management Network Cabling

Steps for connecting the GLM adapter, microphones, and network cables for system management.

GLM Software Download and Installation

Process for downloading and installing the Genelec Loudspeaker Manager (GLM) software.

Local AutoCal Calibration Installation

Guide for installing the local AutoCal package for computers without internet access.

Updating Microphone Calibration Data

Procedure to update microphone calibration files for accurate Local AutoCal results.

Selecting Local GLM AutoCal Processing

How to select the Local AutoCal processing option when needed.

GLM Theme and Language Selection

Options for choosing the GLM user interface theme and language.

System Layout and Calibration

Creating a SAM Monitor Layout

Steps to define the physical arrangement of monitors and subwoofers in the GLM interface.

Creating a SAM Monitor Group

How to define groups of monitors and subwoofers for collective settings and calibration.

Automatic Calibration with GLM AutoCal

Detailed process for using GLM AutoCal to calibrate room response, level, and delay automatically.

Aligning Subwoofer Phase with GLM AutoPhase

Procedure for phase alignment of subwoofers with reference monitors to ensure flat response at crossover.

Adaptive Woofer System Calibration

Steps for calibrating the Adaptive Woofer System using WooferCal for optimal performance and integration.

Basic GLM Operation

Selecting Monitoring Situations using Group Presets

Activating monitoring situations by selecting group presets for optimized audio settings.

System Level Control

Managing the overall monitoring system volume using the master level fader.

System Level Indications

Understanding how system level is displayed and adjusted via fader and controls.

System Mute and Dim Functions

Using Mute and Dim buttons to control the overall system or group volume level.

Standardized Level Presets

Utilizing presets for consistent subjective evaluation of spectral content and audibility of details.

Calibrated Level Selection

Setting and accessing standardized SPL levels for accurate audio content evaluation and monitoring.

Bypassing Bass Management

Temporarily disabling bass management to direct all frequencies to monitors.

Calibrated/Not Calibrated Status Button

Checking the AutoCal status and temporarily bypassing calibration settings.

Solo/Mute/Info/Edit Drop-down Selection

Actions available for individual monitors and subwoofers via a drop-down menu.

GLM Adapter Icon Functionality

Accessing information and firmware updates for the GLM Adapter.

'Play All' Button Function

Resuming normal operation by clearing mute and solo settings for all monitors/subwoofers.

Status and Setup Name Indications

Displaying GLM network status and the currently loaded system setup file.

Keyboard Shortcuts

A list of keyboard shortcuts for efficient GLM operation.

Advanced GLM Features

Importing GLM 3 Setups

Guide on importing legacy GLM 3 setup files into GLM 4.

Calibration of SPL to Loudness Standards

Calibrating listening levels according to digital audio loudness standards for accurate judgment of audio quality.

Maximum Number of Group Presets

Understanding the limit of ten group presets per setup file and managing multiple files.

Creating a New System Setup File

Process for creating and saving new system configurations in GLM.

Solo and Mute Pop-Up Window Controls

Using pop-up menus for individual monitor/subwoofer solo and mute actions.

'Bass Man' Button Function

Functionality of the 'Bass Man' button to bypass bass management and its impact.

GLM Menu Commands Overview

Explanation of various menu commands for system management and configuration.

Cloud Account Login Procedure

Steps to log in to Genelec Cloud for calibration services using community credentials.

Standalone Startup Level Configuration

Setting a default startup output level for monitors and subwoofers.

Displaying Monitor and Subwoofer Data

Accessing detailed information about monitors and subwoofers via the GLM interface.

Access to Monitor and Subwoofer Acoustic Settings

How to access and adjust monitor and subwoofer acoustic calibration settings.

Rerunning AutoCal Automatic Calibration

Procedures for re-running AutoCal calibration after room changes or for validation.

Rerunning AutoPhase Automatic Phase Calibration

Steps to rerun AutoPhase calibration to ensure phase alignment validity.

Group Settings - Advanced Use

Detailed settings and options for configuring groups for specific monitoring situations and purposes.

Access to Group Preset Settings

How to access and edit common settings for group presets.

Group Name Definition

Assigning descriptive names to groups for easier identification.

System Delay Configuration

Applying system delay for synchronization purposes, e.g., with video.

Bass Management Configuration

Setting global or individual bass management crossover frequencies.

Input Mode Selection

Configuring groups to use analog or AES/EBU digital audio inputs.

Monitor and Subwoofer Settings

Editing individual settings for monitors and subwoofers like name, status, and input within a group.

Advanced use of AutoCal

Utilizing multi-microphone positions (MultiPoint) for more precise system calibration.

MultiPoint Calibration Process

Step-by-step process for performing a MultiPoint calibration with multiple microphone positions.

Advanced use of AutoPhase

Detailed guidance on advanced AutoPhase usage, including acoustical reasons for crossover frequency selection.

Crossover Frequency Selection Reasons

Understanding acoustical reasons for selecting specific crossover frequencies.

The steps to run AutoPhase

Step-by-step instructions for performing the AutoPhase calibration.

Editing Acoustic Calibrations

Acoustic Editors Overview

Accessing and using the acoustic editor for fine-tuning calibration settings.

Acoustical Settings Descriptions

Detailed explanation of various acoustical settings like level, delay, and equalizer controls.

Level and Time-of-Flight Correction Controls

Adjusting input sensitivity and compensating for time-of-flight differences for accurate monitoring.

Room Response Equalizer Controls

Using low shelf, high shelf, and parametric notch filters to compensate for room acoustics.

Acoustic editor and scoring system for woofer systems

Accessing flatness and correlation index data for woofer systems in the acoustic editor.

Sound Character Profiler Tool

Using the Sound Character Profiler to adjust the overall spectral balance, making sound darker or brighter.

Stand-Alone Operation

Storing values permanently in monitors and subwoofers

Saving calibration settings and optional parameters into monitors/subwoofers for standalone use.

Using a USB power supply

How to power the GLM adapter using a USB power supply.

Level Control with GLM Cabled Volume Controller

Using a cabled volume controller for monitoring level control without a computer.

Connecting the GLM Volume Controller

Instructions for connecting the volume controller to the GLM adapter.

Wireless Volume Controllers

Information on using wireless remote controllers for volume adjustment and system control.

Additional Information and Summaries

GLM display indications summary

Summary of icon actions and device LED meanings in the GLM interface.

Monitor and subwoofer LED light indications summary

Summary of LED light indications on monitors and subwoofers and their meanings.

Griffin Powermate USB Controller

Using the Griffin Powermate USB controller for GLM functions.

Level-Aligning Subwoofers Reproducing the Same Signal

Adjusting subwoofer levels in daisy-chained setups to compensate for summed output and ensure consistency.

Frequently Asked Questions (FAQ)

Why do ID tones vary in different system configurations?

Explanation for different identification tones used by SAM monitors and subwoofers.

How to duplicate a Group?

Safe method for manually editing acoustic settings by duplicating a group.

How to compare a calibrated and uncalibrated SAM system?

Evaluating the benefits of AutoCal calibration by temporarily bypassing its optimized acoustic settings.

How to calibrate SAM systems for different listening positions?

Setting up and calibrating systems for multiple listening positions by creating and selecting different groups.

Can analog and digital signal sources be mixed?

Possibilities and methods for using both analog and digital signal sources.

How to switch between analog and digital signal?

How groups define and select analog or digital audio input signals.

What does ISS mean?

Explanation of the Intelligent Signal Sensing feature for power saving.

Can I power up and shut down the SAM system with GLM?

Using GLM menu commands to power up, wake up, and shut down the SAM system remotely.

Why are my monitors not going to ISS state?

Troubleshooting reasons why monitors might not enter the ISS power saving state.

What is the "Not used in this setup" bin in the Layout page?

Purpose of the "Not used in this setup" bin for unused channels or devices.

How I replace a monitor with a new one?

Procedure for replacing a monitor or subwoofer with a new one in the system.

How I edit the System Layout?

How to modify the arrangement of monitors and subwoofers in the GLM layout.

Can I use 73xx subwoofers with non-SAM monitors?

Compatibility and setup of 73xx subwoofers with non-SAM monitors.

Can I use SAM monitors in 3D Immersive Audio Systems?

Setting up SAM monitors and subwoofers for 3D immersive audio systems like Dolby Atmos, including layout configuration.

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