Alesis DVR ALESIS M20 User Manual

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ALESISM20

PROFESSIONAL20-BITDIGITAL

RECORDER

OWNERSMANUAL

FIRSTEDITIONVERSION1.06

APPLIES TOOPERATINGSOFTWAREVERSION1.11

INCLUDES SOFTWAREVERSION2.10 ADDENDUM

©1999 ALESISCORPORATION

ALESISM20 REFERENCEMANUAL1.06

 

TABLE OFCONTENTS

Important Safety Instructions and Compliance Notices ......................................

vii

Safety symbols used in this product ................................................................................................

vii

Please follow these precautions when using this product: ............................................................

vii

Instructions de Sécurité Importantes .................................................................................................

ix

Symboles utilisés dans ce produit ......................................................................................................

ix

Beim Benutzen dieses Produktes beachten Sie bitte die folgenden Sicherheitshinweise: ..............

x

Information to the User for Class A Digital Device (FCC Part 15, Class A)...................................

xi

CE Declaration of Conformity...........................................................................................................

xii

Overview, Setup, and Basics..............................................................................

1

1.1

M20 Highlights ..............................................................................................................................

1

1.2

Unpacking and Inspection ............................................................................................................

2

1.3

AC Power Hookup ........................................................................................................................

2

1.4

Line Conditioners and Protectors.................................................................................................

3

1.5

About Audio Cables ......................................................................................................................

3

1.6

Basic Audio Hookup .....................................................................................................................

4

1.7

Use the Right Tape.........................................................................................................................

4

1.8

Preparing the Tape Prior to Use ...................................................................................................

4

1.9

Eject Tape Properly........................................................................................................................

4

1.10 Backup ..........................................................................................................................................

4

1.11 Operating Environment ..............................................................................................................

5

1.12

Avoid Electromagnetic Interference...........................................................................................

5

Control and Connector Basics ............................................................................

1

2.1

About the Front Panel ...................................................................................................................

1

2.2

About the Rear Panel.....................................................................................................................

3

 

2.2a Punch Footswitch ...........................................................................................................

3

 

2.2b Locate/Play or LRC Remote Control Jack ...................................................................

3

 

2.2c Analog Inputs and Outputs...........................................................................................

3

 

2.2d Time Code In and Out...................................................................................................

3

 

2.2e Word Clock In and Out .................................................................................................

3

 

2.2f ADAT Optical In and Out..............................................................................................

3

 

2.2g Video In and Thru..........................................................................................................

4

 

2.2h ADAT Sync In and Out .................................................................................................

4

 

2.2i MIDI In and Out .............................................................................................................

4

 

2.2j RS-422In (Sony9-Pin).....................................................................................................

4

 

2.2k Meter Bridge/Remote Panel Out..................................................................................

4

 

2.2l Power ...............................................................................................................................

4

Editing M20 Operating Parameters ....................................................................

1

3.1

The Keypad ....................................................................................................................................

1

 

3.1a 0 through 9 buttons ........................................................................................................

1

 

3.1b Up Arrow/Yes/Upper Case.........................................................................................

1

 

3.1c Down Arrow/No/Lower Case.....................................................................................

1

 

3.1d Cursor Left .....................................................................................................................

1

 

3.1e Cursor Right ...................................................................................................................

1

 

3.1f Enter/Name ....................................................................................................................

2

 

3.1g Selecting Pages ...............................................................................................................

3

 

3.1h Selecting Page Parameters.............................................................................................

3

 

3.1i Entering Parameter Values.............................................................................................

3

3.2

The Edit Button..............................................................................................................................

4

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i

Table of Contents

 

3.3

Editing Conventions......................................................................................................................

4

Tape Formatting...............................................................................................

1

4.1

Sample Rate Selection....................................................................................................................

2

 

4.1a Pull-upandPull-downSample Rate Selection ............................................................

3

4.2

Word Length Selection ..................................................................................................................

3

4.3

Format a New Tape .......................................................................................................................

4

4.4

Record Tracks While Formatting..................................................................................................

4

4.5

Extend a Partially-FormattedTape ..............................................................................................

5

4.6

End Formatting ..............................................................................................................................

5

4.7

Certify Tape Format ......................................................................................................................

5

4.8

Reformatting: Caution!..................................................................................................................

5

4.9

Lock Out Formatting (Safe Mode).................................................................................................

6

4.10 Bulk Erasing .................................................................................................................................

6

4.11 Recording a “Benchmark” Tape .................................................................................................

6

Track Record Enabling and Monitoring ..............................................................

1

5.1

Track Basics....................................................................................................................................

1

5.2

Track Input Enables.......................................................................................................................

2

5.3

Auto Input Switch .........................................................................................................................

2

5.4

Record Enable ................................................................................................................................

2

5.5

Safety Mode (All Safe)...................................................................................................................

3

5.6

Monitor Inputs (All Input) ............................................................................................................

3

Digital/Analog Input Selection and Routing ........................................................

1

6.1

Digital Source.................................................................................................................................

1

6.2

Input Select.....................................................................................................................................

1

6.3

Track Output Selection..................................................................................................................

2

6.4

Input Signal Routing (Analog And Digital).................................................................................

2

 

6.4a Analog Input Routing ....................................................................................................

3

 

6.4b Digital Input Routing.....................................................................................................

4

 

6.4c Record-Enablingthe Destination Tracks ......................................................................

5

6.5

Aux Routing (input and output) ..................................................................................................

6

Metering 1

 

7.1

Meter Mode Selection....................................................................................................................

1

 

7.1a Clearing Peaks ................................................................................................................

1

7.2

Meter Setup ....................................................................................................................................

2

Transport Controls and Basic Recording .............................................................

1

8.1

About the Tape Counter................................................................................................................

1

8.2

Stop .................................................................................................................................................

1

8.3

Play .................................................................................................................................................

2

 

8.3a Play Button and Sync Status..........................................................................................

2

8.4

Jog/Shuttle Wheel and Search......................................................................................................

2

 

8.4a Jog Mode.........................................................................................................................

2

 

8.4b Shuttle Mode ..................................................................................................................

3

 

8.4c Search Button..................................................................................................................

3

 

8.4d Search Master.................................................................................................................

4

8.5

Other Transport Buttons ...............................................................................................................

5

8.6

Record.............................................................................................................................................

6

 

8.6a Punching Into Record ....................................................................................................

6

 

8.6b Punching Out of Record ................................................................................................

6

 

8.6c Record Write-Protection ................................................................................................

7

 

8.6d Recording with a Footswitch ........................................................................................

7

8.7

Rehearse Mode................................................................................................................................

7

8.8

Auto Record ...................................................................................................................................

8

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Table of Contents

 

8.8a Setting Auto Record Punch Points................................................................................

8

 

8.8b Enable Auto Record.......................................................................................................

9

 

8.8c Set Auto Punch Points “On the Fly” .............................................................................

9

Autolocation ....................................................................................................

1

9.1

Entering, Selecting, and Editing Location Points ........................................................................

1

 

9.1A Set Locate........................................................................................................................

1

 

9.1B Copy Tape Location........................................................................................................

1

9.2 Deferred Play and Record.............................................................................................................

3

9.3

Play-After-Locate(Auto Play) ......................................................................................................

3

9.4 Loop Between Start and End Locate Points (Auto Return)........................................................

3

 

9.4a Setting Loop Start and End Points................................................................................

4

9.5

Set Pre-Roll .....................................................................................................................................

4

9.6

Set Post-Roll ...................................................................................................................................

5

9.7

Footswitch-ControlledLocation...................................................................................................

6

Varispeed ........................................................................................................

1

SMPTE, Sync, and Offset Functions ...................................................................

1

11.1

Clock Source.................................................................................................................................

1

11.2

SMPTE Rate..................................................................................................................................

2

11.3

Time Code Source........................................................................................................................

2

 

11.3a Internal ...........................................................................................................................

2

11.4

Chase Reference ...........................................................................................................................

3

11.5

Reference Counter .......................................................................................................................

4

11.6

SMPTE Chase ...............................................................................................................................

4

 

11.6a Set SMPTE Offset Value (Page 1) ................................................................................

4

 

11.6b Set SMPTE Chase Mode (Page 2)................................................................................

5

 

11.6c Set Flywheel Duration (Page 3) ...................................................................................

5

 

11.6d Park Ahead (Page 4) ....................................................................................................

5

11.7

Internal Generator........................................................................................................................

6

 

11.7a Generator Mode (Page 1).............................................................................................

6

 

11.7b Time Code Start Reference (Page 2) ...........................................................................

7

 

11.7c ABS/Start Offset (Page 3) ............................................................................................

7

 

11.7d User Bits (Page 4, or Page 3 if the Page 2 value is TC Track) ...................................

8

11.8

Tape Offset ...................................................................................................................................

8

11.9

Track Delay ................................................................................................................................

10

MIDI Functions.................................................................................................

1

12.1

MIDI Device (Page 1)...................................................................................................................

1

12.2

MMC Output (Page 2) .................................................................................................................

1

12.3

MTC Follow Gen (Page 3) ...........................................................................................................

1

12.4

Send Sysex Dump? (Page 4)........................................................................................................

1

12.5

Receive Sysex Dump? (Page 5) ...................................................................................................

2

12.6

Send Software? (Page 6) ..............................................................................................................

2

12.7

Load Software? (Page 7)..............................................................................................................

2

Utility Menu.....................................................................................................

1

13.1

Digital Out (Page 1) .....................................................................................................................

1

13.2

Online Source (Page 2).................................................................................................................

1

 

13.2a Online Button................................................................................................................

1

 

13.2b Independent Slave Mode.............................................................................................

2

13.3

Online Control (Page 3) ...............................................................................................................

2

13.4

One-ButtonRecord (Page 4)........................................................................................................

2

13.5

Input Monitor (Page 5) ................................................................................................................

2

13.6

Crossfade Time (Page 6)..............................................................................................................

3

13.7

Time Code Output Level (Page 7) ..............................................................................................

3

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Table of Contents

 

13.8 Rewind/Fast Forward TC Output (Page 8)...............................................................................

3

13.9 Unthread Timeout (Page 9).........................................................................................................

3

13.10

Search Enable (Page 10).............................................................................................................

4

13.11

Locate Before Play (Page 11) .....................................................................................................

4

13.12

Mute Until Lock (Page 12).........................................................................................................

4

13.13

Dynamic Punch (Page 13)..........................................................................................................

4

13.14

Track Groups (Page 14) .............................................................................................................

4

13.15

Save Data to Tape? (Page 15) ....................................................................................................

4

13.16

Load Data from Tape? (Page 16) ..............................................................................................

5

13.17

Tape Type (Page 17)...................................................................................................................

5

13.18

ID Status (Page 18).....................................................................................................................

5

13.19

User Bits (Page 19) .....................................................................................................................

5

13.20

Error Rate (Page 20)...................................................................................................................

6

13.21

Front Panel Software Version (Page 21)...................................................................................

6

13.22

Software Version (Page 22) .......................................................................................................

6

The LRC Remote Control....................................................................................

1

Tutorials and Applications ................................................................................

1

TUTORIAL 1: Multiple M20 Operation..............................................................................................

1

 

Overview .................................................................................................................................

1

 

Synchronizing Machines ........................................................................................................

1

 

Automatic ID Renumbering...................................................................................................

1

 

Master/Slave Interaction........................................................................................................

2

 

Achieving Lock .......................................................................................................................

2

 

Independent Slave Mode........................................................................................................

2

Formatting Multiple Tapes ..................................................................................................................

3

 

Master Format Enabled, Complete Format ..........................................................................

3

 

Master Format Enabled, Format Extend...............................................................................

3

 

Master Format Disabled.........................................................................................................

4

 

Master Format Disabled, Format Extend..............................................................................

4

TUTORIAL 2: Making Digital Backups ..............................................................................................

5

 

Dealing with Damaged Tape .................................................................................................

6

 

Making a 16-bitcopy from a20-bitmaster ...........................................................................

6

TUTORIAL 3: Recording Digital Audio from Other Sources...........................................................

7

 

Digital Clock Considerations .................................................................................................

7

TUTORIAL 4: Combining M20s and ADATs ....................................................................................

8

 

M20 Transport Speed .............................................................................................................

8

 

Sample rate vs. Pitch Control.................................................................................................

8

 

Input Monitoring ....................................................................................................................

8

 

Polarity Differences ................................................................................................................

9

TUTORIAL 5: Setting up Inputs........................................................................................................

10

TUTORIAL 6: Updating M20 Software ............................................................................................

11

TUTORIAL 7: Using the M20 with Unbalanced Inputs and Outputs............................................

12

M20 SMPTE Synchronization Overview ..............................................................

1

16.1 Synchronization Basics .................................................................................................................

1

 

Master or Slave?......................................................................................................................

1

 

Digital Timing Requirements.................................................................................................

1

16.2 The One Clock Principle..............................................................................................................

2

 

16.2a House Sync ...................................................................................................................

2

 

16.2b “Genlocked” Time Code...............................................................................................

2

16.3 Reference Counters vs. Clock Sources .......................................................................................

3

 

16.3a Location Reference ........................................................................................................

3

 

16.3b Reference Clock.............................................................................................................

3

16.3 Offsets in the M20 ........................................................................................................................

5

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Table of Contents

16.3a SMPTE Chase Offset ....................................................................................................

5

16.3b Internal Generator ABS Offset .....................................................................................

6

16.3c Tape Offset....................................................................................................................

6

16.4 SMPTE Time Code Rates and Types...........................................................................................

7

16.4a Drop Frame....................................................................................................................

7

16.4b Auto-detectionof SMPTE Rates ..................................................................................

7

16.4c VITC (Vertical Interval Time Code)............................................................................

8

16.4d MTC (MIDI Time Code)...............................................................................................

8

Time Code Tutorial...........................................................................................

1

17.1 Generating Time Code onto a VCR............................................................................................

1

17.2 Synchronizing Without a T/C Track...........................................................................................

2

17.3 Recording a Time Code Track ....................................................................................................

3

17.3a Recording SMPTE from ABS Time ..............................................................................

3

Maintenance and Troubleshooting .....................................................................

5

18.1 ADAT Head Cleaning .................................................................................................................

5

18.1a Head Cleaning Cassettes (optional)............................................................................

6

18.1b Manual Head and Tape Path Cleaning ......................................................................

6

18.2 ADAT Head Life..........................................................................................................................

7

18.2a Head Alignment ...........................................................................................................

7

18.3 Tape Maintenance: Safe Tape .....................................................................................................

8

18.3a Tape Wear.....................................................................................................................

8

18.3b Care of ADAT Tapes ...................................................................................................

8

18.4 Maintenance/Service...................................................................................................................

9

18.4a Exterior Cleaning..........................................................................................................

9

18.4b Maintenance .................................................................................................................

9

18.4d Obtaining Repair Service...........................................................................................

10

M20 Hidden Functions ......................................................................................

1

Power-OnButton Combinations .........................................................................................................

1

Miscellaneous Button Combinations ..................................................................................................

1

Advanced Functions.............................................................................................................................

3

Using The M20 Data Section Of Tape .................................................................

1

General data section convention on the M20 .....................................................................................

1

M20 Locate Points and SMPTE Offsets ..............................................................................................

1

BRC M20 Song Start / SMPTE Start Offset and Locate Point Map.............................................

1

BRC M20 Parameter Map ...............................................................................................................

2

M20 Transport & System Error Messages...........................................................

1

M20 Major Feature Update: Version 2 ................................................................

1

RS-422(Sony9-pin)slave operation....................................................................................................

1

RS-422Track Arm: On/Off....................................................................................................

1

RS-422Mapping:1-2,OddEvn, (Local).................................................................................

1

ID 1 offline with the CADI remote......................................................................................................

2

CADI Tape and Reference Counter indications when ID 1 is offline...............................................

2

Storing locate points when ID 1 is offline...........................................................................................

2

Tape TC detection in fast wind modes ...............................................................................................

3

Tape TC in the Tape Counter ..............................................................................................................

4

Fixed mode time code generation: “TC Start Ref: Fixed” .................................................................

4

Digital Scrub: “Dig Scan: On/Off, nn dB”..........................................................................................

5

I/O Card as the digital source.............................................................................................................

5

SMPTE Chase with the Stop button....................................................................................................

5

Tape TC updating when in Input mode .............................................................................................

5

Vari-SpeedandPull-Up/Down ..........................................................................................................

5

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v

Table of Contents

 

MIDI Thru .............................................................................................................................................

6

New Utility page order ........................................................................................................................

6

CADI display changes..........................................................................................................................

6

Cassette Auto-Inject .............................................................................................................................

6

Deck Standby Mode .............................................................................................................................

7

Auto-ParkAfter Formatting ................................................................................................................

7

Deferred Eject .......................................................................................................................................

7

New RS-422Device ID .........................................................................................................................

7

Improved SMPTE Clock Source Recognition.....................................................................................

7

Sample Rate Change During Play/Record.........................................................................................

7

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ALESISM20 REFERENCEMANUAL1.06

IMPORTANTSAFETY

INSTRUCTIONS ANDCOMPLIANCE

NOTICES

SAFETY SYMBOLS USED IN THIS PRODUCT

This symbol alerts the user that there are important operating and maintenance instructions in the literature accompanying this unit.

This symbol warns the user of uninsulated voltage within the unit that can cause dangerous electric shocks.

PLEASE FOLLOW THESE PRECAUTIONS WHEN USING THIS

PRODUCT:

1. Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use this apparatus near water.

6.Clean only with a damp cloth.

Do not spray any liquid cleaner onto the faceplate, as this may damage the front panel controls or cause a dangerous condition.

7.Do not block any of the ventilation openings. Install in accordance with the manufacturer's instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

(more on next page)

ALESISM20 REFERENCEMANUAL1.06

vii

Safety Notices

9.Do not defeat the safety purpose of the polarized or grounding-typeplug. A polarized plug has two blades with one wider than the other. Agrounding-typeplug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11.Use only attachments/accessories specified by the manufacturer.

12. Use only with a cart, stand, tripod, bracket, rack, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

Alesis recommends the use of standard 19” racks designed for use with professional audio or music equipment, and the use of rear rack rail supports or sliders. In any installation, make sure that injury or damage will not result from cables pulling on the apparatus and its mounting.

13.Unplug this apparatus during lightning storms or when unused for long periods of time.

14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as when the power-supplycord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

15.This unit produces heat when operated normally. If this unit is installed in a rack, make sure that there is proper ventilation when operated. Do not operate in an enclosed rack with closed front and back doors. If there are other units in the rack that generate a large amount of heat, spread them apart. Do not sandwich this product between two large heat-producingunits.

16.This product, in combination with an amplifier and headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.

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ALESISM20 REFERENCEMANUAL1.06