Alesis ADAT-XT manual Digital Audio IN/OUT, To connect the digital optical network

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Connections: Chapter 3

DIGITAL AUDIO IN/OUT

The Digital input and output carries all eight tracks on a single fiber optical cable. This allows you to bounce audio between multiple machines within the digital domain. This also lets you route digital audio between multiple XTs and ADATs, and to ADAT Compatible™ products such as the QuadraVerb 2. Since the fiber optic connector carries the digital information for all 8 tracks, it is also useful for backing up all tracks in one pass (see Chapter 6 for more on digital audio).

Digital bussing requires a fiber optical cable (included) for each XT in the system (or any other ADAT compatible product). This connection can be made while power is on or off, and the machines do not need to be turned on in any particular order. Note: To bounce tracks within a single XT, it is not necessary to connect the optical network.

To connect the digital optical network:

¿Locate the [DIGITAL IN] and [DIGITAL OUT] connectors. Remove the connectors’ plugs (if present) and store for later use.

¡Connect one end of the fiber optic cable into the [DIGITAL OUT] jack of the first machine in the system.

Remove the clear, plastic tube covering each end of the cable (if present). The cable is non-polarized, so either end can be inserted into the optical output.

¬Connect the other end of the fiber optic cable to the [DIGITAL IN] of the second machine in the system.

÷For each additional machine, connect one end of an additional fiber optic cable to the second machine’s [DIGITAL OUT] jack, and the other end to the third machine’s [DIGITAL IN] jack. Its [DIGITAL OUT] jack then connects to the fourth machine’s [DIGITAL IN] jack, and so on.

ƒFinally, connect one end of a fiber optic cable to the last machine’s [DIGITAL OUT] jack, and the other end to the first machine’s [DIGITAL IN] jack.

This last step creates a loop, and thus makes the digital bus accessible to all machines that are connected to it.

J	When connecting more than two machines, always connect the optical cables in the
J	same order as the sync cables (1 to 2, 2 to 3, etc.), so that the digital routing will
	work correctly.
	INPUT
	OUTPUT

INPUT

OUTPUT

ADAT XT Reference Manual

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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 Chapter Setting UPAC Power Hookup Unpacking and InspectionSetting Up Line Conditioners and Protectors About Audio CablesInput Normaling Basic Audio HookupWord on ADAT’S S-VHS Cassette Tape Threaded VS. UnthreadedAvoiding Electromagnetic Interference Operating EnvironmentThermal Considerations in Rack Mounting Mounting on a Shelf or NON-RACK EnclosureABS n0 F0 POWER-UP,AND Tape InsertionYour First Session ABS 0H 15M 48SRecording While Formatting Formatting a Tape a MustSample Rate Selection Formatting a NEW TapeMaking a Recording Track Selection and Setting LevelsTo record-enable a track REL 0H 01M 29SRecord LED turns off, while the Play LED remains lit Transport ButtonsRecording To make a recordingReviewing and Cueing To engage Review modeTo engage Cue mode PlaybackLocating REL 0H 00M 00SPage To loop a section of tape Creating a LoopMeasure twice or more, and cut only once Automated RecordingRehearsing To automatically punch in and outPitch Control Track DelayABS 00 % 00 C 70 mSTo bounce audio from one track to another To adjust the display brightnessTrack Copy Display BrightnessAnalog Audio Unbalanced Outputs Input Jack CharacteristicsConnections Analog Audio Unbalanced InputsAdditional grounds Analog Audio Balanced Inputs and OutputsInput Mode Analog Audio Input ModeTo synchronize multiple XTs and/or ADATs Sync IN/OUTTo connect the digital optical network Digital Audio IN/OUTVersa FootswitchesRehearse and Auto Record features XT RemoteComplete Format Basic OperationsTape Formatting Formatting ConsiderationsBe sure the tape is completely rewound Format ExtendTo extend the format on a partially formatted tape ABS Pr 0t 0 FFABS Pr 0t 0 n Write Protect OverrideReading the Display Display Icons Basic Operations Selected 01M 29STime Counter & ABS/REL Button LocateEditing Individual Digits Basic EditingEdit Value Button Entering Numeric ValuesTrack Copy Input SelectAnalog Input Digital InputBasic Operations Auto Input Monitor Input MonitorALL Input Monitor Recording a Benchmark T APE Peak Mode ButtonFine Meter Mode MetersSetting Levels Record EnableFast Forward /CUE Transport ControlsEject Rewind /REVIEWTo start recording RECORD/PUNCH in or OUTStop Whether the tape being played is formatted or notTo select the sample rate Sample Rate ClockRecord Crossfade Time Positions as beforeDisplaying Frames VS THS/SECONDS FA dE 2To set the Crossfade Time About Pitch Changing 10 mS To turn Track Delay on and offTo set the Track Delay amount To set multiple tracks to the same Track Delay valueAbsolute ABS Time VS . Relative Time Autolocation ControlsLocate To edit a Locate Point memory Setting Locate PointsLocating To store a Locate Point memory on the flyLoop Limit Auto LoopingAuto Return Auto PlayRehearsal Auto RecordTape Length Looped RecordingEuropean equivalents and approximate recording times To set the tape lengthErroneously selected, to avoid damage to the tape Footswitch Controlled Punching Footswitch ControlsFootswitch Controlled Autolocating Using the XT Remote Overview OperationSynchronizing Machines Achieving Lock Master /SLAVE InteractionFormatting Multiple Tapes Independent Slave ModeMaster Format ENABLED, Complete Format Master Format ENABLED, Format ExtendMaster Format DISABLED, Format Extend Master Format DisabledBefore punching into format record Reassigning Channels to Different Tracks Making Digital BackupsRecording Digital Audio Bouncing Tracks Between AdatsRecording Digital Audio from Other Sources To make a backup tapeDigital Clock Considerations Tape OffsetABS 0H 00M 00S Setting the Machine OffsetInput Monitoring Combining XTS and AdatsXT Transport Speed Sample Rate VS. Pitch ControlPolarity Differences Here are some possible solutionsConnections Multiple ADAT-XT Operation Chapter Multiple ADAT-XT Operation Adat XT Reference Manual Combined MULTITRACK/MASTERING Deck ApplicationsLIVE/LONG-TERM Recording Midi Systems Virtual Tracking Midi Machine Control Virtual Remote ControlLocking to Video Code only Master Computer ControlModular Recording Libraries and ArchivesCalculating Tape Offset Using the Locates Using Track Copy AS a Digital RouterPress Edit VALUE, then press Locate Appendix a Digital Recording ConceptsAnalog Recording Basics Digital Recording BasicsWHY S-VHS? Appendix B TroubleshootingTROUBLE-SHOOTING Index RE-INITIALIZINGABS d1 SP r E9 Error Rate DisplayAbout Error Rate Readings ABS d1 SP E rrAdat Head Maintenance Drum Time Display Tape Maintenance Safe TapeMAINTENANCE/SERVICE CleaningCustomers in the USA MaintenanceObtaining Repair Service Refer ALL Servicing to AlesisAppendix B Troubleshooting Appendix C Error CodesAutomatic Brake Calibration Procedure Steps to Take Before Calling for Help SpecificationsAppendix D Audio Digital Inputs/Outputs Or Analog-to-Digital Converter GlossaryDAT BusMMC MidiSMPTE/LTC OutputVitc VHSIndex Index Adat XT Reference Manual