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Alesis ADAT-M20 User Manual

Alesis ADAT-M20
139 pages
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ALESIS M20
P
ROFESSIONAL 20-BIT DIGITAL
RECORDER
OWNERS MANUAL
FIRST EDITION VERSION 1.06
A
PPLIES TO OPERATING SOFTWARE VERSION 1.11
I
NCLUDES SOFTWARE VERSION 2.10 ADDENDUM
1999 ALESIS CORPORATION

Table of Contents

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Alesis ADAT-M20 Specifications

General IconGeneral
TypeDigital Multitrack Recorder
Tracks20
Recording MediaS-VHS Tape
Bit Depth16-bit
Frequency Response20 Hz - 20 kHz
USBNo
EthernetNo
Word Clock I/OYes
DisplayLCD
Sample Rate44.1 kHz
Inputs8 x XLR/TRS combo
Outputs8 x analog (XLR/TRS combo)
Digital I/OADAT optical
SyncADAT Sync
Transport ControlsPlay, Stop, Record
Sync OptionsADAT Sync
MIDI I/OIn
Phantom PowerYes
Dimensions19" x 5.25"

Summary

Important Safety Instructions and Compliance Notices

Safety Symbols Used in this Product

Identifies safety symbols within the manual for user awareness.

Precautions for Product Use

Lists essential safety guidelines for operating the Alesis M20 device.

Overview, Setup, and Basics

M20 Highlights

Outlines the key features and specifications of the Alesis M20 recorder.

AC Power Hookup

Details the procedure for safely connecting the M20 to a power source.

Control and Connector Basics

Front Panel Controls

Describes the buttons, displays, and controls on the M20's front panel.

Rear Panel Connectors

Details the various input and output ports located on the M20's rear panel.

Editing M20 Operating Parameters

The Keypad Functions

Explains the use of the numeric keypad for data entry and parameter editing.

Tape Formatting

Sample Rate Selection

Guides users on selecting the appropriate sample rate for tape formatting.

Format a New Tape

Provides step-by-step instructions for initializing a new tape.

Track Record Enabling and Monitoring

Track Basics

Defines the 10 tracks available on the M20 and their primary functions.

Record Enable Function

Explains how to arm tracks for recording and the associated indicator lights.

Digital/Analog Input Selection and Routing

Digital Source Selection

Choosing between ADAT Optical, I/O Card, or Track Copy for digital input.

Input Signal Routing

Details how to route digital and analog audio signals to tape tracks.

Transport Controls and Basic Recording

Tape Counter Modes

Explains the different modes (ABS, Relative, SMPTE) for the tape counter.

Jog/Shuttle Wheel and Search Functions

Describes using the jog/shuttle wheel for precise tape navigation and search.

Autolocation

Entering, Selecting, and Editing Location Points

Procedures for setting, selecting, and naming locate points.

SMPTE, Sync, and Offset Functions

Clock Source Settings

Guides selection of the master clock source for system synchronization.

SMPTE Chase Functionality

Details enabling and configuring SMPTE chase for synchronization purposes.

Utility Menu

Digital Output Settings

Configures the format and resolution for digital audio output signals.

Search Enable Function

Defines how the Search mode is activated on the M20.

Tutorials and Applications

Tutorial 1: Multiple M20 Operation

Guide for setting up and synchronizing multiple M20 units in a system.

Tutorial 6: Updating M20 Software

Instructions for updating the M20's operating system via MIDI.

M20 SMPTE Synchronization Overview

Synchronization Basics

Fundamental principles of synchronizing audio and video equipment.

The One Clock Principle

Ensures all system components use a single, unified clock source for stability.

Maintenance and Troubleshooting

ADAT Head Cleaning Procedures

Provides steps and recommendations for cleaning the M20's ADAT heads.

General Maintenance and Service Tips

Offers routine maintenance tasks and advice for servicing the M20.

M20 Transport & System Error Messages

Play State Errors

Lists common error messages related to the M20's play state operations.

Tape Type Detection Errors

Details error messages associated with tape identification and calibration.

M20 Major Feature Update: Version 2

RS-422 (SONY 9-PIN) Slave Operation

Explains M20 operation as an RS-422 slave device with Sony 9-pin control.

Cassette Auto-Inject

Describes the remote loading function for partially inserted cassettes.

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