Midi, Mmc | Alesis ADAT-XT specification

Glossary

E

F

Fiber Optical Connector

A device that transmits signals through light instead of conventional wire. Advantages include higher speed and the ability to carry multiple chanels of information over a single, thin cable.

G

H

House Sync

A video signal distributed to any device that requires a reference to maintain proper sync relationship with other devices. The signal comes in several forms: Blackburst results in a black video screen when fed to a video monitor; Color bars are the standard reference for adjusting video equipment. Color bars can be seen on many stations just before they come on the air.

I

Input

An input is a path through which audio passes from one electronic device into another. types of inputs vary in connector type, level, use (sends, monitor, mix), and electrical characteristics (impedance, balanced or unbalanced). They can be analog or digital.

J

K

L

M

MIDI

Musical Instrument Digital Interface (MIDI). A protocol whereby various MIDI- compatible products can communicate various musical and non-musical messages (such as notes, controls, etc.).

MMC

MIDI Machine Control (MMC). A subset of MIDI messages which correspond to tape machine’s transport controls and other functions.

Mute

Used as a verb, to “mute a channel” means to turn off the audio for that channel. Used as a noun, “mutes” are the buttons which turn off a particular channel. Mutes are usually non-destructive, though not always. Mutes are often automated as part of mixer automation systems.

88	ADAT XT Reference Manual

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Alesis ADAT-XT manual Midi, Mmc

Contents

Alesis ADAT-XT Introduction Adat XT Reference Manual Conventions Adat XT Reference Manual Contents Basic Operations Analog Recording Basics Digital Recording Basics Why S-VHS? Index Maintenance/Service Cleaning Obtaining Repair Service Setting UP AC Power HookupUnpacking and Inspection Chapter Setting Up About Audio Cables Line Conditioners and Protectors Basic Audio Hookup Input Normaling Threaded VS. Unthreaded Word on ADAT’S S-VHS Cassette Tape Operating Environment Thermal Considerations in Rack MountingMounting on a Shelf or NON-RACK Enclosure Avoiding Electromagnetic Interference POWER-UP,AND Tape Insertion Your First SessionABS 0H 15M 48S ABS n0 F0 Formatting a Tape a Must Sample Rate SelectionFormatting a NEW Tape Recording While Formatting Track Selection and Setting Levels To record-enable a trackREL 0H 01M 29S Making a Recording Transport Buttons RecordingTo make a recording Record LED turns off, while the Play LED remains lit To engage Review mode To engage Cue modePlayback Reviewing and Cueing REL 0H 00M 00S LocatingPage Creating a Loop To loop a section of tape Automated Recording RehearsingTo automatically punch in and out Measure twice or more, and cut only once Track Delay ABS 00 % 00 C70 mS Pitch Control To adjust the display brightness Track CopyDisplay Brightness To bounce audio from one track to another Input Jack Characteristics ConnectionsAnalog Audio Unbalanced Inputs Analog Audio Unbalanced Outputs Analog Audio Balanced Inputs and Outputs Additional grounds Analog Audio Input Mode Input Mode Sync IN/OUT To synchronize multiple XTs and/or ADATs Digital Audio IN/OUT To connect the digital optical network Footswitches Rehearse and Auto Record featuresXT Remote Versa Basic Operations Tape FormattingFormatting Considerations Complete Format Format Extend Be sure the tape is completely rewound ABS Pr 0t 0 FF ABS Pr 0t 0 nWrite Protect Override To extend the format on a partially formatted tape Reading the Display Display Icons Basic Operations 01M 29S Time Counter & ABS/REL ButtonLocate Selected Basic Editing Edit Value ButtonEntering Numeric Values Editing Individual Digits Input Select Analog InputDigital Input Track Copy Basic Operations ALL Input Monitor Input MonitorAuto Input Monitor Peak Mode Button Fine Meter ModeMeters Recording a Benchmark T APE Record Enable Setting Levels Transport Controls EjectRewind /REVIEW Fast Forward /CUE RECORD/PUNCH in or OUT StopWhether the tape being played is formatted or not To start recording Sample Rate Clock Record Crossfade TimePositions as before To select the sample rate To set the Crossfade Time FA dE 2Displaying Frames VS THS/SECONDS About Pitch Changing To turn Track Delay on and off To set the Track Delay amountTo set multiple tracks to the same Track Delay value 10 mS Locate Autolocation ControlsAbsolute ABS Time VS . Relative Time Setting Locate Points LocatingTo store a Locate Point memory on the fly To edit a Locate Point memory Auto Looping Auto ReturnAuto Play Loop Limit Auto Record Tape LengthLooped Recording Rehearsal Erroneously selected, to avoid damage to the tape To set the tape lengthEuropean equivalents and approximate recording times Footswitch Controlled Autolocating Footswitch ControlsFootswitch Controlled Punching Using the XT Remote Synchronizing Machines OperationOverview Master /SLAVE Interaction Achieving Lock Independent Slave Mode Master Format ENABLED, Complete FormatMaster Format ENABLED, Format Extend Formatting Multiple Tapes Before punching into format record Master Format DisabledMaster Format DISABLED, Format Extend Making Digital Backups Recording Digital AudioBouncing Tracks Between Adats Reassigning Channels to Different Tracks To make a backup tape Recording Digital Audio from Other Sources Tape Offset Digital Clock Considerations Setting the Machine Offset ABS 0H 00M 00S Combining XTS and Adats XT Transport SpeedSample Rate VS. Pitch Control Input Monitoring Connections Here are some possible solutionsPolarity Differences Multiple ADAT-XT Operation Chapter Multiple ADAT-XT Operation Adat XT Reference Manual Applications Combined MULTITRACK/MASTERING Deck LIVE/LONG-TERM Recording Midi Machine Control Virtual Remote Control Locking to Video Code only MasterComputer Control Midi Systems Virtual Tracking Libraries and Archives Modular Recording Using Track Copy AS a Digital Router Calculating Tape Offset Using the Locates Press Edit VALUE, then press Locate Digital Recording Concepts Analog Recording BasicsDigital Recording Basics Appendix a WHY S-VHS? Troubleshooting TROUBLE-SHOOTING IndexRE-INITIALIZING Appendix B Error Rate Display About Error Rate ReadingsABS d1 SP E rr ABS d1 SP r E9 Adat Head Maintenance Tape Maintenance Safe Tape MAINTENANCE/SERVICECleaning Drum Time Display Maintenance Obtaining Repair ServiceRefer ALL Servicing to Alesis Customers in the USA Appendix B Troubleshooting Error Codes Appendix C Automatic Brake Calibration Procedure Appendix D SpecificationsSteps to Take Before Calling for Help Audio Digital Inputs/Outputs Glossary Or Analog-to-Digital Converter Bus DAT Midi MMC Output SMPTE/LTC VHS Vitc Index Index Adat XT Reference Manual