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Operating Manual
®
Mark Levinson
Nº31.5
Reference
CD Transport
Madrigal Audio Laboratories, Inc.
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WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of suffic
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Important Safety Instructions Please read all instructions and precautions carefully and completely before operating your Mark Levinson com- ponent. 1. ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables, or when cleaning any component. 2. This product is equipped with a three-conductor AC mains power cord which includes an earth ground connection. To prevent shock hazard, all three connections must ALWAYS be used. If your electrical outlets will
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Table of Contents Unpacking and Placement ....................................................................... 6 Unpacking the Nº31.5 .......................................................................................6 Remove the Transport Screws .......................................................................... 6 Placement of the Nº31.5 ................................................................................... 6 Operating Voltage & Frequency .............................
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Introduction to Programming .................................................................. 41 How the Nº31.5 remembers programs ..........................................................41 Assembling a new program ........................................................................... 41 Delete Programming.......................................................................................42 Advanced Programming.........................................................................43
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Unpacking and Placement Unpacking the Nº31.5 Unpack your Nº31.5 Reference CD Transport and remove all accessories from the carton. Included with your new Mark Levinson transport is a pair of knit, white gloves designed to assist you in the initial unpacking and placement of your new purchase. Please accept them as a token of our appreciation for having purchased one of our products. Important! Keep all packing materials for future transport of your Nº31.5. Shipping your new component in anything
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Operating Voltage & Frequency The Nº31.5 Reference CD Transport is set at the factory (internally) for 100V, 120V, 200V, 220V, or 240V AC mains operation as appropriate for the country in which it is to be sold. (230V/50Hz only in European Union countries, in compliance with CE regulations.) Make sure that the label on the rear of the right tower of the Nº31.5 (adjacent to the power cord) indicates the correct AC operating voltage for your location, as attempting to operate the Nº31.5 at an inco
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A Quick Start… We recognize that many people are understandably eager to begin listening to their new components, and that reading the manual is often done (if at all) at a later time—perhaps while listening to music with the new product itself. We strongly recommend that you read this manual thoroughly, as the Nº31.5 Refer- ence CD Transport incorporates many unusual features that enhance its opera- tion. Fortunately, we can help you get some music up and running on your system quickly, so that
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5 POWER UP THE REST OF THE SYSTEM, LEAVING THE POWER AMPLIFIERS FOR LAST Always turn the power amplifier(s) off first, and on last. This good habit minimizes the opportunity for unexpected transients reaching your loud- speakers. 6 SELECT THE INPUTS YOU ARE USING ON YOUR DIGITAL PROCESSOR AND PREAMPLIFIER Take care that a Tape Monitor switch does not override your selection of the digital processor’s input on your preamplifier, or you will be struck by how “quiet” your new digital source is.… 7
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Special Design Features Congratulations on your purchase of the Nº31.5 Reference CD Transport. The Madrigal design team is confident you will enjoy the outstanding performance of the Nº31.5 for many years. In case you are interested in technical details, what follows is a brief outline of some of the key technologies in your new transport. A New Generation The characteristics of an outstanding CD transport are simple to define: it must recover the correct data from the disc, and deliver it to th
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® bandwidth Hewlett Packard part for superior performance. A high quality EIAJ optical interface has also been included for maximum compatibility, although in our experience it should be the interface of last resort. (It offers the least poten- tial for high performance of any of the standard digital interfaces.) All digital interfaces have been carefully optimized to deliver the finest perfor- mance each interface standard allows. As a direct result, the Nº31.5 performs opti- mally with any dig
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Setup and Installation For your protection, review Important Safety Instructions before you install your Nº31.5. Carefully open the shipping carton and remove the contents. You should have: • Mark Levinson Nº31.5 Reference Digital Transport • Remote control • Two AA batteries • Disc damper • Four spikes • AC power cord • Link cable (2m) • Two spare 1.0-ampere slow-blow fuses 5 •One ⁄64" hex key (for remote control) 1 •One ⁄8" hex key (for feet/spikes) 3 •One ⁄32" hex driver (for levelling the tr
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1 Install the spikes one at a time. Using the supplied ⁄8" hex key, remove the screw securing the foot to the Nº31.5’s chassis. Insert the threaded end of the spike through the hole in the foot into the threaded hole in the chas- sis, then turn the spike clockwise until it is finger-tight. (Be careful not to overtighten it.) Nº31 chassis Foot Spike Repeat this procedure for the other three spikes. 2 REMOVE THE TRANSPORT SCREWS REQUIRED! *** *** If you have not already placed the Nº31.5 on
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3 CONNECT THE Nº31.5 TO THE AC MAINS Insert the supplied shielded AC cord into the IEC-standard AC socket on the rear panel of the Nº31.5. Check to ensure that the power switch is in the “Off” (O) position. Double-check the voltage label on the rear panel of the Nº31.5 to ensure that it matches the supplied AC voltage in your country. If the voltage indicated is incorrect, or if you wish to change the AC operat- ing voltage of the Nº31.5, see your Mark Levinson dealer. Assuming everything matche
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Warning: Connecting the communication ports other than as described in this manual may damage the Nº31.5 and/or the digital processor, and will void the products’ warranties. Assuming both the Link connection and the digital interconnection have been made, merely pressing play the first time will establish the Link be- tween components. 6 PLACEMENT OF YOUR TRANSPORT The Nº31.5 should rest on a level, stable surface. To ensure smooth opera- tion of the lid, the Nº31.5 should be within about 3° of
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Levelling Bubble level Levelling screws screws When level, place the disc damper on the spindle, then press Lid Open/ Close again to close the Lid. 8 INSERT BATTERIES IN THE REMOTE CONTROL 5 Using the supplied ⁄64" hex key, remove the two screws securing the cover of the Remote Control’s battery compartment (the end opposite the projec- tion lens). Projection lens + – + – Insert two AA batteries according to the symbols on the inside of the bat- tery compartment cover. Replace the battery compar
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2 3 4 5 track index time display display intensity mode elapsed time on track MADRIGAL AUDIO LABORATORIES time remaining on disc REFERENCE > repeat A B preview program + program – CD TRANSPORT Nº 31.5 standby repeat disc repeat track program clear program review program save index mode 7 9 13 14 6 8 10 11 12 15 1 Front Panel 1STANDBY When the Nº31.5 is connected to AC power and the main power switch on the rear panel is in the “|” position (see Rear Panel), pressing this button takes the Nº31.5
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2DISPLAY INTENSITY Pressing this button varies the brightness of the display. Four brightness lev- els are available. When the Nº31.5’s main power switch is first turned on (or when power is restored after an interruption), the display is automatically set to its second- brightest level. Pressing display intensity once dims the display one level; pressing it again dims it further; pressing it again turns the display off. Pressing display in- tensity once more returns the display to its brightest
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While repeat disc is active, the LED above the button is lit. To return to normal play, press repeat disc again. 7REPEAT A-B This function allows you to repeat (continuously) a particular phrase or passage on a CD. While a CD is playing, press repeat A-B at the beginning of the passage you would like to repeat. At the end of the passage, press repeat A-B again. The passage you selected will repeat continuously. While repeat A-B is active, A then B will alternate appearing in the space preceding
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11 PROGRAM REVIEW This function allows you to review the selections in the current program. (See Programming.) Press this button once to view the first selection in your program. To view the next selection, press program review again, and so on. After you view the last selection in the program, the display will show PROGRAM END. If you press program review when there is no program in the Nº31.5’s memory, the display will show NO PROGRAM. 12 PROGRAM SAVE Pressing this button records a program in
