Alto MAXI-Q User Manual

30+30 band digital equalizer

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User's Manual
MAXI-Q
30+30 BAND
DIGITAL EQUALIZER
R
LTO
www.altoproaudio.com
Version 1.1 August. 2005
English

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Summary of Contents for Alto MAXI-Q

  • Page 1 User's Manual MAXI-Q 30+30 BAND DIGITAL EQUALIZER www.altoproaudio.com Version 1.1 August. 2005 English...
  • Page 2 Fuse SAFETY RELATED SYMBOLS To prevent fire and damage to the product, use only the recommended fuse type as indicated in this CAUTION manual. Do not short-circuit the fuse holder. Before RISK OF ELECTRIC SHOCK DO NOT OPEN replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet.
  • Page 3 PREFACE Dear Customer: Thanks for choosing MAXI-Q 30+30 Band Digital Equalizer and thanks for choosing one of the results of AUDIO TEAM job and researches. For our LTO AUDIO TEAM, music and sound are more than a job...are first of all passion and let us say our obsession! We have been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION ............................. 2. FEATURES .............................4 3. CONTROL ELEMENTS .........................4 3.1 The Front Panel 3.2 The Rear Panel 4. GETTING STARTED ..........................4.1 Configuration of The System 4.2 Memory Initialization 4.3 Firmware Update 4.4 Adjust The Input Signal 4.5 First Setup 4.6 System Configuration 4.7 Number of Presets...
  • Page 5: Introduction

    1. INTRODUCTION Your MAXI-Q is a 30+30 Band Digital Equalizer and it also is a powerful versatile signal processor. you can set the input and output configuration only through recalling one of the presets included in the internal memory or PC Editor software.
  • Page 6: The Rear Panel

    12.AC inlet and fuse holder Use it to connect your MAXI-Q to the supplied AC cord. Please check the Voltage in your country and what voltage for your MAXI-Q is configured before attempting to connect the unit for the main AC. The fuse can protect the AC supplies circuit of the equipment.
  • Page 7: Getting Started

    PRESETS included in the internal memory. So the user must be very clear about the main function of the unit in order to get a best operation of your MAXI-Q. Before you start your operation, please read the following parts carefully: 4.1 Configuration of the system...
  • Page 8: Memory Initialization

    2. Restart the "Maxi-Q Editor" and choose the "On Line " function. You will see the message "Maxi-Q VERSION X.0 Do you want to update?" showing on the Maxi-Q Editor. Then press the "OK" button and it will start to update the Firmware.
  • Page 9: First Setup

    Output Pol. Polarity of the outputs Output Gain Levels of the outputs Note: The regulation of the MAXI-Q's parameters is closely related to the characteristics of the components of the sound system. So if you're not the expert, please refer to the documentation and technical specifications of your power amplifiers, loudspeaker enclosures, monitors, etc..
  • Page 10: Number Of Presets

    4.7 Number of PRESET D E B A S S 10 Factory Presets and 128 User Presets. 4.8 Type of PRESET D E B A S S There are 2 categories of PRESETS: F = Factory PRESETS factory programmed, cannot be permanently changed. These include all the system's usable configurations.
  • Page 11 Loading a PRESET, a PRESET Change command is also automatically sent to the serial ports and can be used to automatically load a PRESET with the same number to any other MAXI-Q units connected and enabled (Refer to...
  • Page 12: Delay Menu

    Press ENTER. PRESET Naming page appears, by means of which it s possible to edit the name of the PRESET to be saved. The name of the 'start' PRESET (i.e. of the PRESET currently loaded) is proposed as default. The cursor takes up position on the first of the twelve character spaces available.
  • Page 13: Edit Menu

    5.2.1 Input Delay Use this menu page to adjust the delay lines of Input A, Input B and SUM. D e l a y DELAY unit range step The values can be set in the following ranges: 0.0 ~ 900.0 0 ~ 900000 I N A D E L A Y...
  • Page 14 A/D converter due to an excessively high input signal causes a typical parti- cularly distinct noise. To achieve a good signal/noise ratio, i.e. an up-front distortion free signal, feed a signal in on the MAXI-Q's input and watch the INPUT LEVEL A-B LED ladders.
  • Page 15 5.3.4 Output Gain Output level control Allows to adjust the signal level of each individual output. O u t p u t G a i n Editing values are between +6dB ~ -30dB, with 0.5dB steps. O P 1 G A I N - 6 .
  • Page 16 5.3.6 Parameter EQ (PEQ) Input equalizer with 5 parametric filters. Allows to alter the overall tone of the signal connected to the respective input. Also called Master EQ the equalization of the input signal effects all the outputs connected to the input and the i nput SUM.
  • Page 17: Utility Menu

    5.4 UTILITY Menu This menu comprises a series of submenus that allow to set a series of system options and access certain utilities, such as the control of the protection against accidental or unauthorized changes: menu Units Delay Unit UTILITY Temperature Unit Comm.Setup Preset Change RX...
  • Page 18 PRESET with the corresponding number. This means that, in a chain of MAXI-Q, all the units set with PRESET Change RX = Accept load the same number of PRESET, in spite of the fact that it corresponds to PRESETS with different contents in the various units.
  • Page 19 Use this submenu to set a series of system options. M i s c . S e t u p a. Temperature Used to key in the value of the environmental temperature of place of installation. The system uses this value to automatically compensate for the differentials due to the difference speed of sound Transmission according to the air temperature.
  • Page 20 6. CONNECTIONS The following diagrams show the schemes of the recommended cables and some connection examples referred to various system configurations. Inputs A & B, RS485 IN GROUND BALANCED XLR-M HOT (+) COLD ( ) Inputs A & B SLEEVE GROUND BALANCED JACK RING...
  • Page 21 7. APPLICATION To operate one or more MAXI-Q units that are connected to a PC, you need to download a free Windows compatible MAXI-Q program from our website. To get a copy, please go to http://www.altoproaudio.com/html/download.php and click "Data Resources/ Downloads"...
  • Page 22 8. OPERATION BLOCK DIAGRAM DIAL 10 Factory Preset Load Preset 128 User Preset PRESET PREV/NEXT DIAL Store Preset 128 User Preset DIAL DELAY Delay Parameters DIAL -30dB~+6dB Input Gain Step 0.5dB DIAL -15dB~+15dB Gain GEQ01 Step 0.5dB PREV/NEXT DIAL -15dB~+15dB -15dB~+15dB Gain GEQ30...
  • Page 23 9. TECHNICAL SPECIFICATIONS INPUT section Connectors 2 x COMBO Nominal input sensitivity 0 dB (0.775 V) Input Impedance 30kOhm, electronically balanced Maximum Input Level +20dBu Input Gain -30 / +6 dB variable in 0.5 dB steps Connectors 2 x XLR-M Output Section Output Impedance 600 Ohms, electronically balanced...
  • Page 24 10. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understanding of the sales status, so as to purport a more effective and efficient after-sales warranty service.
  • Page 25 No. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan http://www.altoproaudio.com Tel: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright...

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