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Fax 781-280-0499 (Service) This document should not be construed as a commitment on the part of Lexicon, Inc. The information it contains is subject to change without notice. Lexicon, Inc. assumes no responsibility for errors that may appear within this document.
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MPX 500 Version 1.1 Software Upgrade Installation Instructions & Release Notes Note: Installation Version Software Upgrade will reset the system configuration to factory-default settings. To preserve System Parameter settings and User Bank programs, perform the following steps: 1. Before installing the software upgrade, dump the System Parameters or the User Bank into an external MIDI device.
The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates safety standards of design manufacture and intended use of the instrument. Lexicon, Inc. assumes no liability for failure to comply with these requirements.
Installation Instructions & Release Notes MPX 500 Version 1.1 Software SAFETY SYMBOLS Following are symbols that appear throughout this user guide: CAUTION Appears on the component to indicate the presence of uninsulated, dangerous voltage inside the enclosure - ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS voltage that may be sufficient to constitute a risk of shock.
Installation Instructions & Release Notes Lexicon This kit does not include two Phillips head screwdrivers Note: (sizes 0 and 1) and a wrench or nut driver, which are also needed. Installation of the MPX 500 Version 1.1 Software Upgrade will reset the system configuration to factory-default settings.
1. Using a size 1 Phillips head screwdriver, remove the the end closest to the front panel. screws (Lexicon Part No. 640-02812) on the top and bottom of the unit (three on top, three on bottom). Top View of Unit Front 3.
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STEP 1 - OPEN THE UNIT (continued) 5. Using a size 0 Phillips head screwdriver, remove the four smaller screws (Lexicon Part No. 641-12759) near the MIDI IN & OUT/THRU ports. 4 Smaller Screws 8. Put the anti-static wrist strap on before proceeding to the next step.
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Installation Instructions & Release Notes MPX 500 Version 1.1 Software STEP 2 - INSTALL THE EPROM B. Hold the body of the EPROM and, exerting gen- tle pressure downward, roll it slightly to force the 1. Refer to the illustration below to locate the EPROM pins into a position parallel to the work surface on the MPX 500 main board (location U9).
Installation Instructions & Release Notes Lexicon INSTRUCTIONS (continued) Note: STEP 2 - INSTALL THE EPROM Installation of the MPX 500 Version 1.1 Software (continued) Upgrade will reset the system configuration to factory-default settings. To preserve System CAUTION Parameter settings User...
Installation Instructions & Release Notes MPX 500 Version 1.1 Software • The program knob is less sensitive. • Paragraph four of the original Release Notes for the MPX 500 contained a list of presets from which the Tempo patch was removed after the original User •...
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A Harman International Company Lexicon, Inc. 3 Oak Park Bedford, MA 01730-1441 USA Tel 781-280-0300 Fax 781-280-0490 www.lexicon.com Customer Support Tel 781-280-0300 Fax 781-280-0495 (Sales) Fax 781-280-0499 (Service) Lexicon Part No. 070-14697 | Rev 0 | 06/01...
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