Instruction/ maintenance manual of the product digital signal processor Altec Lansing
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4048A di git al signal processor Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr ofessional ofessional ofessional ofessional ofessional 1000 W .
2 Operating Manual -4048A digital signal processor T able O f Co ntents 1 1 1 1 1 INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 2 2 2 2 UNP UNP UNP UNP UNP ACKING ACKING ACKING ACKING ACKING .
3 Operating Manual-4048A digital signal processor W ARNING: THIS APP ARA TUS MUST BE EARTHED The exclamation point within an eqilateral triangle is intended to alert the user to the presence of important operating and mainte- nance instructions in the literatur e accompanying the device.
4 Operating Manual -4048A digital signal processor 1. INTR ODUCTION Y our new 4048A is a flexible four input/eight output digital signal processor capab le of pr ecise control of a broad range of audio functions.
5 Operating Manual-4048A digital signal processor 4. FR ONT P ANEL FEA TURES 4.1 Input Channels The 4048A has four input channels, each of which can be routed to any combination of output channels. Each input channel's three color Sig LED indicates input signal le vel of -20dB (green), 0dB (amber), and +20dB clip (red) respecti ve ly .
6 Operating Manual -4048A digital signal processor Eur oblock Con necto r S y ste m + - G + - G 5. REAR P ANEL FEA TURES 5.1 Input Connections Balanced input signals are connected to the 4048A using the included "Euro Block" connector .
7 Operating Manual-4048A digital signal processor 5.3 Contact Closure Connector There are no user controls on the 4048A, making it ideal for permanent installations where security is an issue. There may be times, ho wever , where audio system adjustments must be made in response to real time acoustic changes, such as room size.
8 Operating Manual -4048A digital signal processor 6. AL TEC LANSING MAESTRO ™ SOFTW ARE Altec Lansing of fers a po werful software interf ace for the W indows PC en vironment, providing control for the 4048A digital signal processor .
9 Operating Manual-4048A digital signal processor 7. GETTING ST AR TED 7.1 Conf iguration Options Altec Lansing Maestro Software for the 4048A includes 10 permanent default configurations which can be used as starting points for setting up user def ined presets.
10 Operating Manual -4048A digital signal processor 7.3 A udio Functions Editing of audio controls is done through the use of scroll bars, numerical entry , various keyboard shortcuts, or by visually dragging f ilter points in the frequency response windo w .
11 Operating Manual-4048A digital signal processor Parametric EQ (PEQ): uses peak f ilters with the a bility to control boost or cut, frequency center , and band- width.
12 Operating Manual -4048A digital signal processor Shelving EQ f ilters: 1st order filters use a gentle 6dB per octa ve slope, while 2nd order f ilters use a 12dB per octav e slope f or more a pronounced boost or cut. All shelving filters ha ve a boost/cut range of +/-15dB.
13 Operating Manual-4048A digital signal processor Butterworth Butterworth f ilter s individually are alw ays -3dB at the displayed crossover fr equency and are used because they ha ve a "maximally flat" passband and sharpest transition to the stopband.
14 Operating Manual -4048A digital signal processor 7.3g Delay In large installations or outdoor v enues there ar e often many speakers in v ar i- ous locations to get the best coverage possible.
15 Operating Manual-4048A digital signal processor Attack and Release settings adjust the time it takes the limiter to engage and then disengage when the signal increases abov e threshold and then subsequently falls back belo w threshold. Attack time is adjustable from 0.
16 Operating Manual -4048A digital signal processor the remaining se ven monitors, providing a consistent starting point for each mix. T o copy , first select the input or output to copy from, then click <Edit/Cop y>, then click on the input or output to copy to, clicking <Edit/Paste> to complete the action.
17 Operating Manual-4048A digital signal processor 2.) Use a v alid PC serial port. Y ou must use a serial port that is not opened to any other application, such as a mouse, modem, or another program. T o verify that the port e xists look in: Control P anel - System - De vice Manager - Ports.
18 Operating Manual -4048A digital signal processor 11. DIMENSIONS 12. W ARRANTY INFORMA TION The unit you ha ve just purchased is protected by a limited f iv e-year warranty . For warranty service or to obtain a return RMA number , please call Altec Lansing technical ser vices at 405-848-3108.
19 Operating Manual-4048A digital signal processor A /D Inp ut Mute In pu t EQ Input Meter LE Ds Input Channels A - D -40 t o +1 2d B Inp ut Gain 8 Band s of Parametric, 1s t O rd er LS , 2n d O r d e.
Printed in USA 4048A-0 0503 Operating Manual-4048A digital signal processor Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr Altec Lansing Pr ofessional ofessional ofessional ofessional ofessional 1000 W .
An important point after buying a device Altec Lansing digital signal processor (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Altec Lansing digital signal processor, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Altec Lansing digital signal processor.
However, one of the most important roles played by the user manual is to help in solving problems with Altec Lansing digital signal processor. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Altec Lansing digital signal processor along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
