Altec Lansing 4948A - Manuals

Altec Lansing 4948A – Manual in PDF format online.

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Manual

Manual Altec Lansing 4948A

Summary

Page 2 - Operating Manual -4048A digital signal processor; Table Of Contents

2 Operating Manual -4048A digital signal processor Table Of Contents 1 1 1 1 1 I N T R O D U C T I O N I N T R O D U C T I O N I N T R O D U C T I O N I N T R O D U C T I O N I N T R O D U C T I O N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4...

Page 3 - CAUTION

3 Operating Manual-4048A digital signal processor WARNING: THIS APPARATUS MUST BE EARTHED The exclamation point within aneqilateral triangle is intended toalert the user to the presence ofimportant operating and mainte-nance instructions in the literatureaccompanying the device. The lightning flash ...

Page 4 - AC POWER REQUIREMENTS

4 Operating Manual -4048A digital signal processor 1. INTRODUCTION Your new 4048A is a flexible four input/eight output digital signal processor capable of precise control of a broad range of audio functions. Because it has no user controls, it is ideal for applications where real-time changes areun...

Page 5 - Operating Manual-4048A digital signal processor; FRONT PANEL FEATURES; the following operating conditions within the 4048A:; Factory Reset Switch

5 Operating Manual-4048A digital signal processor 4. FRONT PANEL FEATURES 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 level of -20dB (green), 0dB (amber), and ...

Page 6 - Euroblock; REAR PANEL FEATURES; Balanced input signals are connected to the 4048A using the; A Note About Input Signal Levels:; Output Connections

6 Operating Manual -4048A digital signal processor Euroblock Connector System + - G + - G 5. REAR PANEL FEATURES 5.1 Input Connections Balanced input signals are connected to the 4048A using the included "Euro Block" connector. A flat blade screwdriver is requiredto connect a stripped wire l...

Page 7 - Contact Closure Connector; The 4048A has two parallel RS-232 dataports, one on the front panel; AC Inlet and Power Switch; A detachable AC power cord is used on the 4048A. Since the internal; D -S ub 9 P in Fem ale

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, however, where audio system adjustments must be made in response to real time acousticc...

Page 8 - Installing Software

8 Operating Manual -4048A digital signal processor 6. ALTEC LANSING MAESTRO™ SOFTWARE Altec Lansing offers a powerful software interface for the Windows PC environment, providing control for the 4048A digital signal processor. All controls are intuitively represented in a user friendly way, and on-l...

Page 9 - Configuration Options

9 Operating Manual-4048A digital signal processor 7. GETTING STARTED 7.1 Configuration Options Altec Lansing Maestro Software for the 4048A includes 10 permanent default configurations which can be used as starting points for setting up user defined presets. Modified configurations can then be saved...

Page 11 - Each input and output of the Altec Lansing 4048A

11 Operating Manual-4048A digital signal processor Parametric EQ (PEQ): uses peak filters with the ability to control boost or cut, frequency center, and band- width. Think of one band of parametric EQ as a single graphic equalizer fader except that the frequency is variable,not fixed, and that the ...

Page 12 - The EQ functions on all four inputs

12 Operating Manual -4048A digital signal processor Shelving EQ filters: 1st order filters use a gentle 6dB per octave slope, while 2nd order filters use a 12dB per octave slope for more a pronounced boost or cut. All shelving filters have a boost/cut range of +/-15dB. Low shelvingfilters have a fre...

Page 14 - A second application for delay is to time; Long Time Delay

14 Operating Manual -4048A digital signal processor 7.3g Delay In large installations or outdoor venues there are often many speakers in vari- ous locations to get the best coverage possible. Since sound travels relatively slowthrough air (1130 ft/s at 20ºC), multiple loudspeaker locations can creat...

Page 15 - OTHER SOFTWARE FUNCTIONS

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 above threshold and then subsequently falls back below threshold. Attack time is adjustable from 0.5ms/dBthrough 50ms/dB, while r...

Page 16 - Audio Troubleshooting Tips; inadvertently set so as to limit the pass band.

16 Operating Manual -4048A digital signal processor the remaining seven monitors, providing a consistent starting point for each mix. To copy, first select the input oroutput to copy from, then click <Edit/Copy>, then click on the input or output to copy to, clicking <Edit/Paste> tocompl...

Page 18 - WARRANTY INFORMATION

18 Operating Manual -4048A digital signal processor 11. DIMENSIONS 12. WARRANTY INFORMATION The unit you have just purchased is protected by a limited five-year warranty . For warranty service or to obtain a return RMA number, please call Altec Lansing technical services at 405-848-3108. Fill out th...

Page 19 - Output Channels 1 - 8; Altec Lansing 4048A Block Diagram

19 Operating Manual-4048A digital signal processor A/D Input Mute Input EQ Input Meter LEDs Input Channels A - D -40 to +12dB Input Gain 8 Bands of Parametric, 1st Order LS, 2nd Order LS 1st Order HS, 2nd Order HS, or All-Pass Input Clip Indicator Output EQ 6 Bands of Parametric, 1st Order LS, 2nd O...

Page 20 - Printed in USA

Printed in USA 4048A-0 0503 Operating Manual-4048A digital signal processor A l t e c L a n s i n g P r A l t e c L a n s i n g P r A l t e c L a n s i n g P r A l t e c L a n s i n g P r A l t e c L a n s i n g P ro f e s s i o n a l o f e s s i o n a l o f e s s i o n a l o f e s s i o n a l o f e...