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Mark Levinson 31 User Manual

Mark Levinson 31
52 pages
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1
About Compact Disc
Digital Audio…
To most people, a Compact Disc (CD) looks like a small, silver
phonograph record. In fact, there are some important differences
between records and CDs.
The information on a phonograph record is contained within its
grooves. This
analog
information is
read by a stylus riding along in
the grooves and transmitted
via a cartridge. The
digital
information on a CD,
though arranged in
similar grooves, is read
by a laser mechanism
(called a
pickup
). A
phonograph’s stylus
must be in contact
with the record, but a
CD player’s pickup
never touches the CD.
The information on the
CD is transmitted via
complex decoder circuitry.
The CD rotates
counterclockwise, and the laser
pickup reads the underside of the CD
(the side opposite the label) beginning at the center and travelling
toward the outer edge. As the pickup moves away from the center,
the speed of rotation gradually decreases from 500 to 200 revolutions
per minute.
Programs on CDs are organized into
tracks
, usually corresponding to
songs or movements. This allows you to select a part of a program
easily and precisely,
with virtually no wear
and tear on the CD.
There may be as many
as 99 tracks on a CD.
On some CDs, tracks
are further broken down
into
indexes
. These
"tracks within tracks"
allow even more precise selection and programming. A single track
may have up to 99 indexes.
Direction the disc rotates
T
r
a
c
k
3
T
r
a
c
k
2
T
r
a
c
k
1
Direction the laser
pickup travels
Lindsay's First Symphony
01 02 03 04 05 06 94 95 96 97 98 99
Index Numbers from Track 2
(Track 1) (Track 2) (Track 3)
First Movement Second Movement Third Movement
Phonograph records
vs. compact discs
Tracks and indexes
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Mark Levinson 31 Specifications

General IconGeneral
BrandMark Levinson
Model31
CategoryCD Player
LanguageEnglish

Summary

Phonograph Records vs. Compact Discs Comparison

CD Tracks and Indexes Explained

Front Panel Controls and Functions

Standby Power Control

Manages the unit's power state, enabling or disabling front-panel controls.

Display Intensity Adjustment

Allows users to vary the brightness of the display and front-panel LEDs.

Display Mode Selection

Changes the type of information shown in the time segment of the display.

Disc and Track Repeat Functions

Program and Track Preview

Features for previewing track introductions and managing program clear functions.

Program Saving and Index Navigation

Index Mode Navigation

Enables precise selection of tracks and indexes on CDs that support them.

Top Panel Controls and Operation

Laser Isolation Device (LID)

Covers the CD transport mechanism and is operated by the LID Open/Close button.

LID Open/Close Operation

Controls the opening and closing of the CD transport lid, also stopping playback.

Playback Control Buttons

Search Functions for Navigation

Allows rapid movement of the laser pickup towards the beginning or end of the CD.

Track and Index Skip Navigation

CD Transport Assembly Components

CD Handling and Placement Features

Includes finger wells for gripping and a spindle for CD seating.

Transport Assembly Levelling System

Features a spindle and bubble level to ensure the transport assembly is properly leveled.

Laser Assembly and Disc Damper

Display Information and Indicators

Track and Index Display

Shows the current track number or the index number being played.

Time Display and Remote Sensor

Displays playback time information and indicates the remote sensor's function.

Understanding Display Messages

Remote Control Operation

Remote Control Button Functions

Buttons mirror front-panel functions; stop opens LID when no CD is playing.

Numbered Buttons for Selection

Used for selecting tracks/indexes or setting playback start times.

Time Setting and Program Management via Remote

Digital-to-Analog Polarity Inversion

Allows inversion of playback polarity when linked to a compatible digital processor.

Remote Control Indicators and Battery Access

Remote Control Projection Lens

Rear Panel Connections and Power

Power and Voltage Configuration

Details main power switch, operating voltage indication, and AC power connection.

Fuse Compartment and Safety Precautions

Information about the fuse compartment and associated safety precautions for access.

Communication Ports and Digital Outputs

Set-up and Installation Guide

Unpacking and Initial Setup Contents

Lists items included in the shipping carton and outlines initial unpacking steps.

Unit Placement and Handling Precautions

Instructions for placing the unit upright on a stable surface and handling it carefully.

Installing Optional Sonic Spikes

Removing Transport Locking Screws

Instructions for removing shipping screws that secure the transport mechanism.

Optimal Unit Placement and Ventilation

Infrared Communication Principles

Explains how the remote control sends commands via infrared signals to the unit.

Audio and Digital Signal Connections

Linking Communication Ports for System Integration

Instructions for connecting communication ports for integrated functions between components.

Connecting to Mark Levinson Digital Processors

Setting and Verifying Operating Voltage

Information on setting and verifying the unit's operating voltage for different regions.

Connecting the AC Power Cord

Main Power Switch and Initial Stabilization

How to turn the unit on, allow initial stabilization, and connect associated equipment.

Levelling the Transport Assembly

Installing Batteries in the Remote Control

Basic Operation Guide

Loading a CD for Playback

Step-by-step instructions for inserting and preparing a CD for playback.

Overriding Previously Saved Programs

How to access all tracks on a CD instead of a previously saved program.

Standard Playback Modes

Playing all tracks in order or beginning playback from a specific track.

Advanced Playback Control Features

Index and Time-Based Track Playback

Pause and Repeat Functionality

How to suspend, resume, and repeat entire CDs or current tracks.

Specific Passage Repetition and Polarity Inversion

Stopping CD Playback

Methods for stopping CD playback before the end of the disc.

Programming Features and Memory

How Programs Are Stored and Recalled

Explains how the unit stores and recalls custom playback programs for specific CDs.

Assembling and Saving Custom Programs

Shortcut for Ignoring Tracks in Programs

A method to exclude specific tracks from a program during assembly.

Reviewing and Erasing Program Selections

Adding Selections to Existing Programs

Overriding and Erasing Saved Programs

Methods for temporarily overriding or permanently erasing saved programs from memory.

Linked Functions and System Integration

Record Link Functionality

Links the Nº31's recording status to a compatible digital processor, preventing disruption.

Mute and Standby Link Synchronization

Automatically mutes volume during search and synchronizes standby modes between components.

Alias, Play, and Display Link Functions

Polarity Link and Index 0 Playback Option

Links the polarity invert function and enables CD playback starting from Index 0.

Customizing Link Settings and Index Options

Troubleshooting Common Issues

Unit Not Functioning or Display Issues

Solutions for when the unit is unresponsive and the display is off or incorrect.

LID Closure and CD Playback Problems

Troubleshooting steps for LID closure issues and CDs not playing correctly.

Audio Output and Playback Skipping Issues

Resolving problems with no sound, distorted audio, or skipping playback.

Remote Control and Linked Function Problems

Displaying Program Errors and Faults

Action to take when the display shows 'BAD PROGRAMS' or other fault indicators.

Care and Maintenance Guide

Cleaning the Nº31 Unit and Components

Instructions for cleaning the unit's cabinet and external components using appropriate materials.

Remote Control and Compact Disc Handling

Guidelines for maintaining the remote control and handling CDs properly to prevent damage.

Technical Specifications

Electrical, Mechanical, and Connector Specs

Details on digital outputs, voltages, frequencies, dimensions, and connector types.

Physical Dimensions

Unit Size and Measurement Diagrams

Provides diagrams and measurements illustrating the unit's physical dimensions and form factor.

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