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Alesis ProLinear DSP Reference Manual

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Summary of Contents for Alesis ProLinear DSP

  • Page 1 Reference Manual...
  • Page 2 This page intentionally left blank 100%...

  • Page 3: Table Of Contents

    Chapter 1: Getting Started... 7 A Tour of the Rear Panel ... 7 Connecting the ProLinear DSP...8 Connecting ProLinear DSP speakers... 8 Connecting the ProLinear DSP to a PC ... 9 Installing the software ...9 Installation procedure ... 10 Chapter 2: Operations... 13 The Front Panel ...
  • Page 4 Table Of Contents Mechanical ... 39 Chapter 6: Troubleshooting... 41 Appendix ... 43 Preset and User Programs ... 43 Index ... 45 Alesis Contact Information... 48...

  • Page 5: Welcome

    Introduction Welcome! Thank you for making the Alesis ProLinear DSP a part of your studio. Since 1984, we've been designing and building creative tools for the audio community. We believe in our products, because we've heard the results that creative people like you have achieved with them.

  • Page 6: About The Prolinear Dsp

    Introduction About the ProLinear DSP The ProLinear DSP is a powered two-way speaker that offers the following features: • Increased bass frequency range with more accurate response • Increased Sound Pressure Level (SPL) capacity • Lower distortion • Smoother frequency response •...

  • Page 7: How To Use This Manual

    Chapter 1: Getting Started. Whether you are an experienced studio technician or a practicing musician, these simple diagrams and explanations can help you quickly get your ProLinear DSP connected to a line level output source (e.g., mixer) and/or your PC. Chapter 2: Operations gives you detailed instructions for operating the ProLinear DSP from the front panel.
  • Page 8 Introduction This page intentionally left blank...

  • Page 9: Chapter 1: Getting Started

    Serial Output (to another speaker) T he rear panel of the ProLinear DSP contains the following: • Input Level control—to adjust the strength of the signal coming into the speaker. This allows all types of audio sources to be used, from stand-alone CD players to professional mixers.

  • Page 10: Connecting The Prolinear Dsp

    Connecting ProLinear DSP speakers You may connect up to sixteen ProLinear DSP speakers by the RS-232 inputs and outputs. Simply attach a 9-pin RS-232 male/female cable from the Data Link “out”...

  • Page 11: Connecting The Prolinear Dsp To A Pc

    Connecting the ProLinear DSP to a PC Attach the male end of a standard 9-pin, PC serial cable to the Data Link “in” port on the back of the ProLinear DSP. Attach the other end to one of the serial ports on your computer.

  • Page 12: Installation Procedure

    Insert the included CD-ROM. It should start itself, but it’s possible you may have to double-click on the setup.exe filename located on the CD-ROM. This will bring up the ProLinear DSP Install Wizard. • Click the Next button to continue. This will bring up the License Agreement window.
  • Page 13 • After the licensing agreement, you need to enter the user information. It is possible to specify whether the software may be used by anyone who uses the computer, or just you. • When finished, click the Next button to continue. •...
  • Page 14 Getting Started • The Select Program Folder window provides you the option of specifying the Program Group in which the Alesis ProLinear DSP icons will be available. Again, the software suggests an appropriate group. If you wish to use an existing group, simply browse the list and select it with your mouse.

  • Page 15: Chapter 2: Operations

    • An edit affected another speaker on the same Channel. hen two or more ProLinear DSP speakers are set to the same Channel, an edit performed on the first speaker will “propagate” to all the speakers that follow. When this happens, the backlights on the “slave”...

  • Page 16: Operational Overview

    Operations Operational Overview The ProLinear DSP offers three methods of control: • the front panel buttons and LCD • the PC software • the Input Level control on the rear panel Through these controls the following functions are managed: •...

  • Page 17: Description Of Modes

    A description of each of these modes is on the following pages. Program Mode When the ProLinear DSP is first powered up, it displays its “top-level” screen: Program mode. From here you may select one of the eight preset or eight user-defined programs. It is also where you will find the Gain Trim parameter, which is discussed on the next page.
  • Page 18 Program mode will take the unit back to Preset Program 1. The ProLinear DSP will remember which Program was last selected when the unit was turned off and recall it when the unit is turned on again.

  • Page 19: Channel Mode

    Channel Mode What are Channels? What are Channels? When two or more ProLinear DSP speakers are connected When two or more ProLinear DSP speakers are connected through their serial ports, it is possible to control them through their serial ports, it is possible to control them independently or as a group (or as several groups).

  • Page 20: Edit Mode

    Operations Edit Mode Edit mode is at the core of the ProLinear DSP’s features. This is what allows you to adjust the EQ curve parameters such as Frequency, Gain, and Q. After you have created the EQ curve you want, these settings can then be saved to one of the eight User Program locations.
  • Page 21 Editing an EQ Curve Once you are in Edit mode, there are three EQ parameters available. Use the Parameter Up/Down buttons to select the one you want to edit, and then use the Value Up/Down buttons to make an adjustment: •...

  • Page 22: Save Mode

    Program Up Exit Save Mode Program Down Save Settings If you attempt to store a Program to a Preset Program location, the ProLinear DSP will automatically store the Program to the same number location in the User bank.

  • Page 23: Input Level Mode

    In addition to allowing you to achieve maximum signal integrity for an individual speaker, Input Level mode can also be used: To be certain that all ProLinear DSP speakers in the system are at the same level, and To be certain all speakers are operating at an optimal signal-to-noise ratio (SNR).
  • Page 24 Operations This page intentionally left blank.

  • Page 25: Chapter 3: Using The Software

    Using the Software The ProLinear DSP Windows application lets you easily control and configure your ProLinear DSP speakers through a standard 9-pin RS-232 serial connection. You can then apply these settings to one of eight available user-defined programs. Overview There are two main levels of control in the PC software: the Channel level and the Program level.

  • Page 26: Navigating The Software

    Using the Software Navigating the Software The features of the software are accessed in three ways: • The pull-down menu at the top of the main window, which gives access to the housekeeping features common to most Windows applications, such as file saving and opening, plus cut/copy/paste of EQ settings, and pull-down access to most of the features found elsewhere in the main window.

  • Page 27: The Program Edit Window

    The Program Edit window The EQ tab is divided into four areas: • The Curve space, the green area showing a graphic representation of the combined effects of the EQ settings for each Band. Each of the colored dots corresponds to one of the Bands, and is used to edit the Frequency and Gain of its Band.

  • Page 28: Editing The Program Curve

    Using the Software Editing the Program Curve There are two ways to change the equalizer settings. The first way is to click on one of the colored dots in the Curve space and drag it to the point on the graph that corresponds to the desired Frequency and Gain settings for that Band.
  • Page 29 A note about HSH, LSH, and HP There are three additional settings for the Q parameter that are found below the value of 0.25: HSH, LSH, and HP. Here’s what they do: The LSH (Low Shelf) setting affects everything below the specified frequency, similar to conventional tone controls on a home stereo.

  • Page 30: Saving Equalizer Settings

    Using the Software Saving Equalizer Settings After you have adjusted the equalizer to your satisfaction, you can save the settings in one of three ways: • The first way is to save the settings to one of the User Program locations. At the bottom right side of the Edit Tab window is a large green number.

  • Page 31: Equalizer Workspaces

    Equalizer Workspaces In addition to saving your equalizer settings in a separate file, you can also save the settings of all Channels and Programs as a Workspace. To save your Workspace: • Select the Save Workspace option from the File menu.

  • Page 32: Working With Channels

    Using the Software Working with Channels A Channel is comprised of either a single speaker set to a particular Channel number or a group of speakers that are all set to the same Channel number. For a more detailed explanation of Channels, see the Channel Mode section of Chapter 2 “Operations”...

  • Page 33: Global Controls

    Global Controls • The Dim button will set the Gain Trims of all speakers on all Channels to -18dB. You can also accomplish this by selecting the Dim -18dB option from the Edit Menu or pressing CTRL + D. • The Save All Programs button will take all eight User Programs from the PC application and save them to every speaker on every Channel.

  • Page 34: Changing Settings

    There is one option under the Settings tab. The Activate Receiving Channel option allows you to configure how the ProLinear DSP application will respond when a button is pressed on any ProLinear DSP speaker in the system. When the Activate Receiving Channel box is checked, any...
  • Page 35 IMPORTANT: If the com port that you configured in the Windows Control Panel is not listed here, then it is not available to the ProLinear DSP application. Choose the port you wish to use and exit the application without saving the configuration.
  • Page 36 Using the Software This page deliberately left blank.

  • Page 37: Chapter 4: Frequently Asked Questions

    EQ might be required. But the sonic characteristics of the speaker remain pretty much the same. 4. Can I place the ProLinear DSP against a wall, or in a wall? Yes. But the rear heatsink should be given adequate ventilation.
  • Page 38 ProLinear DSP into the PC application? No, but there’s a workaround. After connecting the PC and the ProLinear DSP system via the serial cable(s), call up the User Programs from the ProLinear DSP speaker in question one at a time, making sure they show up in the EQ Curve space (the green window inside the EQ tab).

  • Page 39: Voicing And Eq Faqs

    Frequently Asked Questions Voicing and EQ FAQs 1. How is the ProLinear DSP’s frequency response set at the factory? The response is set to be as flat as possible, typically +/- 1.5db from 50Hz to 20kHz with advanced bass compensation.
  • Page 40 To assist you with these adjustments, the ProLinear DSP provides the ability to monitor the input level to the ADC on the front panel display.

  • Page 41: Chapter 5: Specifications

    Specifications Inputs Nominal input level: Maximum input level: Input impedance: Output Sound Pressure Level (SPL): Low Frequency (LF) power: High Frequency (HF) power: Frequency response: Signal To Noise ratio: Power Requirements Input voltage: Input frequency: Power consumption: Environmental Requirements Temperature range: Relative humidity (non-condensing): 30-85% Cabling Requirements Mixer to Speaker:...
  • Page 42 Specifications This page intentionally left blank.

  • Page 43: Chapter 6: Troubleshooting

    Troubleshooting Symptoms No audio or output too low. Distorted sound. “Err” on LCD display. PC will not communicate with speaker Cause No input audio. Bad cables. Source is turned down. Input level too high and is saturating the input ADC. Note: the red LCD display may not be indicating clipping for this...
  • Page 44 Troubleshooting This page intentionally left blank...

  • Page 45: Appendix

    Appendix Preset and User Programs PRESET Name Flat Hi-Fi (Smile) White Cone Faux Finnish Studio Cube Boom Box BBC Dip 80 Hz High Pass The Programs in the User bank are also available on the supplied CD-ROM. Feel free to overwrite any or all of them; if you ever want them back, use the “Open Workspace”...
  • Page 46 Appendix This page intentionally left blank...

  • Page 47: Index

    Index Break-in Cabling Requirements Channel Assignment Channels defined Clipping Connecting your ProLinear DSP Speaker to another DSP speaker Connecting Your Speakers Data Link Edit Mode Band Frequency Gain FAQs Features Frequency ranges Front Panel Gain ranges Gain Trim Gain Trim ranges...
  • Page 48 LCD Display Blinking Propagation Low Shelf Operational Overview Parametric Equalizer Software Power Switch Power-up Sequence Presets Program Mode ProLinear DSP Control Introduction Q value ranges Rear Panel Serial Port Configuration Software Channels Dim Settings Level Settings Program Settings Save all Programs...
  • Page 49 Equalizer Loading Settings Modifying Saving Settings Equalizer Workspace Navigating Program Notes Settings Activate Receiving Channel Changing Ports Software Organization Speaker ID Speaker Modeling Speaker Placement Technical Information Environmental Inputs Output Power Requirements Troubleshooting Volume Welcome Index...

  • Page 50: Alesis Contact Information

    E-mail: support@alesis.com Website: http://www.alesis.com Alesis ProLinear DSP Reference Manual Copyright 2003 Alesis, LLC. All rights reserved. Reproduction in whole or in part is prohibited. “ProLinear DSP” is a trademark of Alesis, LLC. Specifications subject to change without notice. 7-51-0132-A 5/09/2003...

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