Guardian Audio DX480 Owner's Manual
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Guardian Audio DX480 Owner's Manual

Digital speaker processor
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Summary of Contents for Guardian Audio DX480

  • Page 2: Important Safety Instructions

    DX Loudspeaker Controller User Manual Important Safety Instructions 1. READ AND KEEP THESE INSTRUCTIONS All the safety and operating instructions should be read before the product is operated. The safety and operating instructions should be retained for future reference. 2. HEED ALL WARNINGS All warnings on the product and in the operating instructions should be adhered to.

  • Page 3: Table Of Contents

    DX Loudspeaker Controller User Manual Table of Contents Table of Contents ..............3 1.0 Introduction ..............4 2.0 Features ................5 3.0 Front Panel Functions ...........6 4.0 Rear Panel Functions ............ 8 5.0 Powering Up the Device ..........8 6.0 Operating the Device ..........…. 9 6.1 Input/Output menus............

  • Page 4: Introduction

    DX Loudspeaker Controller User Manual 1.0 Introduction The DX series is a digital loudspeaker management system designed for the touring or fixed sound installation markets. The absolute latest in available technology is utilized with 32-bit (40-bit floating point ) processors and high performance 24-bit Analog Converters.

  • Page 5: Features

    DX Loudspeaker Controller User Manual 2.0 Features 32-bit (40-bit floating point) DSP (Highly accurate digital processing) High Performance 24-bit A/D and D/A Converters Accurate 1 Hz Frequency Resolution. 6-Band Parametric Equalizers for each Input and Output Full-Function Limiters on Output Channels One Touch”...

  • Page 6: Front Panel Functions

    DX Loudspeaker Controller User Manual 3.0 Front Panel Functions 1. USB – a standard Type B USB connector. Proper device driver must be installed prior to usage.The red LED will indicate the USB cable is connected. 2. Mute keys – Mute/Unmute input and output channels. When an input channel is muted, a red LED will come on for indication.

  • Page 8: Rear Panel Functions

    DX Loudspeaker Controller User Manual 4.0 Rear Panel Functions 5 Output 5 Input Main Power - Connects via a standard IEC socket. A compatible power cord is supplied with the unit. The voltage input is 90-240VAC, 50-60Hz. 2. Main Fuse - T2.5A-250V. Slow blow type. 3.

  • Page 9: Operating The Device

    DX Loudspeaker Controller User Manual 6.0 Operating the Device Tips: Channel Linking – While holding down the Mute for 2 seconds, more than 1 channel from the same group (Input or Output group) can be selected to link the channels together. The green LEDs above the Mute buttons are lit for the linked channels.
  • Page 10 DX Loudspeaker Controller User Manual -EQ - EQ parameters • EQ# - Selects one of the 6 available Equalizers. • LEVEL - EQ level gain. Ranges from -30.00dB to +15.00dB in 0.1dB steps. • FREQ - EQ center frequency. Ranges from 20 to 20,000Hz in either 1Hz steps or 1/36 octave steps •...
  • Page 11 DX Loudspeaker Controller User Manual OUT_1:XXXXXX MENU:X-Over FTRH: Butwrth FTRL: Butwrth FRQH: 1000Hz FRQL:1000Hz SLPH: 24dB SLPL:24dB   -Limiter - Output Limiter • THRESH - Limit Threshold. Ranges from -20 to +20dBu in 0.5dB steps. • ATTACK - Attack time. Ranges from 0.3 to 100ms in 0.1ms steps, then ranges from 1 to 100ms in 1ms steps.

  • Page 12: System Menus

    DX Loudspeaker Controller User Manual 6.2 System Menus The System Menus allow the user to control and change parameters that are related to the system behavior and general operation. It can be accessed by pressing the System One Touch key. SYSTEM MENU *Load a Xover Store a Xover...
  • Page 13 DX Loudspeaker Controller User Manual Erase a Xover    Erase a Xover  *1  2  3…    ‐SYSTEM Set    SYSTEM MENU  *Password    BackLight Set    Delay Unit    Device ID    Systen info    *Password‐ The password of the DX is 6 characters in length.              SYSTEM SETUP MENU: Password ...
  • Page 14 DX Loudspeaker Controller User Manual Device ID  SYSTEM SETUP MENU: Device    DEVICE ID: 1    Set the Device ID from 1 to 250      System Info  Version: V1.0.1  Copy Right :    Created by:  Creaded Date: 2008‐08‐18    ‐Signal Generate  *Normal    Pink Noise    Tones ( XXXX Hz)      Normal‐ Normal mode  Pink Noise‐Pink Noise Generate mode  Tones‐ Tones mode, can select any frequency from 20Hz to 20kHz.          • NAME - Program Name, allows a maximum length of 12 characters. SYSTEM Recall P:1 XXXXXXXXXXXX SYSTEM Store...
  • Page 15 DX Loudspeaker Controller User Manual Security - Security Lock The DX enables the user to secure the unit and prevent undesired changes in the setup. In order to lock/unlock the unit the user must enter the correct password.   • PASSWORD – Under the System Manu The password of the DX is 6 characters in length.

  • Page 16: Quickreference

    DX Loudspeaker Controller User Manual 7.0 Quick Reference Parameters Menu <<Menu>> Field <<Cursor>> Min Max Steps Units Level Signal LEVEL -40 +15 0.1 dB Polarity Signal POL + / - Delay Signal DELAY 0-1000ms 21us steps EQ Number EQ EQ# 1- 6 EQ Level EQ LEVEL -30 +15 0.1 dB EQ Frequency EQ FREQ 20 20,000 1 Hz EQ Bandwidth EQ BW 0.05 to 3 0.01 Octave...

  • Page 17: Pc Control Software

    DX Loudspeaker Controller User Manual 8.0 PC Control Software The DX series is shipped with a special PC Control Software -DxDrive gives the user an option to control the unit from a remote PC via the USB or RS485 serial communication link. The software makes it much easier to control and monitor the device allowing the user to get the whole picture on one screen.

  • Page 18: Specifications

    DX Loudspeaker Controller User Manual 9.0 Specifications Inputs and Outputs Input Impedance: >10k Ohms Output Impedance: 50 Ohms Maximum Level: +20dBu Type: Electronically balanced Audio Performance Frequency Response: +/- 0.1dB (20 to 20 kHz) Dynamic Range: 115dB type (unweighted) CMMR: > 60dB (50 to 10 kHz) Crosstalk: <...
  • Page 19 DX Loudspeaker Controller User Manual Audio Control Parameters Gain: -40 to +15dB in 0.1dB steps Polarity: +/- Delay: Up to 1000ms per I/O Parametric Equalizers (6 per I/O) Type: Parametric, Hi-shelf, Lo-shelf Gain: -40 to +12dB in 0.1dB steps Bandwidth: 0.05 to 3 octaves (Q=0.404 to 28.852) Crossover Filters (2 per Input / Output) Filter Types: Butterworth, Bessel, Linkwitz Riley Slopes: 12 to 48dB/Oct...

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