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CHAPTER 4: GETTING STARTED

4.0 POWER ON PROCEDURE

Each time the AI-2 is powered up it runs through a series of initial-
ization tests and displays the current configuration. The power on
routine tests all front panel for two seconds and then runs through
the following display sequence where the AI-2 configuration is
displayed in approximately one second steps. If it necessary to
reset the AI-2 to default parameters, then press and hold the
STORE key when the power is turned on.

C L E A R I N G

M E M

Only displayed when the STORE key is
held on power up to reset the AI -2.

A L E S I S

A I - 2

Model and Manufacturer

a d a t

I n t e r f a c e

B y

T i m e L i n e

S o f t w a r e

V e r s i o n

A I 2 - 0 0 1

V i d e o

=

N T S C

Video sync source detected if connected
Displays "Not Used" if the selected
reference is not external video, or "Not
available" if the AI -2 does not detect video
sync.

I n t

V i d e o

S y n c

Indicates that a TimeLine internal video

G e n

=

O n

sync generator card (VSG) is fitted, and its
current status.

a d a t

R e f e r e n c e

Displays the selected speed reference

E x t

V i d

source.

S a m p l e

R a t e

Displays the selected sample rate.

4 8 . 0 0 0 K

C o n t r o l

Displays the selected control method.

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Содержание AI-2

Страница 1: ...ALESIS AI 2 Reference Manual...

Страница 2: ...ON SWITCH 8 2 2 REFERENCE CONNECTION 9 2 2A RDR IN 9 2 2B W C IN 9 2 2C VID IN 9 2 3 CONTROL CONNECTION 10 2 3A EDITOR 10 2 3B LYNX 2 MICRO LYNX 10 2 3C MIDI IN 10 2 3D MIDI OUT 11 2 4 BRC CONNECTION...

Страница 3: ...e Functions 35 5 3B Save To Tape 35 5 3C Read Tape 36 5 3D Clear Header 36 5 3E Abort Data Read or Save 36 5 3F Read SysEx 36 5 3G Save SysEx 36 5 4 SETUP MODE 37 5 5 SAVING TO TAPE 38 5 6 READING FRO...

Страница 4: ...u 59 CHAPTER 7 ADVANCED FEATURES 7 0 ADAT DIGITAL INPUT 61 7 1 AI 2 DISPLAY INFORMATION 61 7 1A Time Code and Position Error Displays 61 7 1B Time Code Number Differences 62 7 2 ALL SAFE 62 7 3 MIDI I...

Страница 5: ...I Option Cards 69 8 0J Mechanical 69 8 1 APPENDIX 2 INTERFACE INFORMATION 70 8 1A Sony Editor Constants 70 8 1B Lynx Interface 71 8 1C External video 71 8 1D External Word Clock 72 8 1E Internal Word...

Страница 6: ...ed with a Liquid Crystal Display LCD 6 keys and a bank of status LED s The keys are used to setup AI 2 system operation parameters to select display information and to edit and control AI 2 functions...

Страница 7: ...Code Chase The AI 2 has a built in broadband time code reader and chase unit The AI 2 will follow SMPTE or EBU time code that is fed into the reader input Time Code and MIDI The AI 2 generates Longitu...

Страница 8: ...e demands of multitrack studio recording and the post production process Here is a brief rundown of the AI 2 s main functions 1 2A Multiple Control Methods The AI 2 allows multiple ADAT transports to...

Страница 9: ...SPORT VSO GEN ONLINE N STD TACH JAM UB JAM TC TACH MAINS INT RDR AUX VID GENERATOR 29 97 422 SPEED H M L RMT BWL VARI ON REWIND FAST FWD STOP PLAY RECORD EJECT POWER 1 2 3 4 5 6 7 8 MULTIPURPOSE AUDIO...

Страница 10: ...sh and warn the operator if there is a problem The AI 2 also has a display message system which gives tape status system status and error or warning messages when they occur 1 2F Block Diagram The fol...

Страница 11: ...e attached ADATs chase follow SMPTE or EBU time code which is fed into the AI 2 s time code reader input 4 The AI 2 and the attached ADATs are controlled by MIDI Machine Control MMC commands presented...

Страница 12: ...ot moving but is in contact with the rotating head This allows the ADAT to go into Play or Record instantaneously When the AI 2 puts the system into Still or Stop the head remains spinning and the tap...

Страница 13: ...TION Power for the AI 2 is provided by a 10 volt AC 7 5 VA wall mounting transformer connect the output from the transformer to the 2 5 mm jack socket marked POWER The AI 2 power input circuitry is de...

Страница 14: ...al sample rate signal word clock The AI 2 word clock input range is greater than the ADAT control range of 40 363 50 854 KHz Input signals with a 50 duty cycle are recommended 2 2C VID IN The VID IN c...

Страница 15: ...s socket when it is required to control the AI 2 from a video editor The AI 2 emulates the SONY PCM 7030 digital audio tape recorder for best results select this device driver in the editor 2 3B LYNX...

Страница 16: ...I output BRC MIDI responses to AI 2 or external requests are returned via this cable 2 4B MIDI OUT The MIDI OUT connector is a 5 pin din socket Connect a MIDI cable from this output to the BRC MIDI in...

Страница 17: ...I 2 to the first ADAT machine Successive ADATs are connected in turn sync out to sync in This connector is not used when a BRC is configured as part of the system 2 5A SYNC OUT The SYNC OUT connector...

Страница 18: ...TC REF NON STD BRC ADAT CONTROL LOCK DISPLAY SETUP MENU SAVE LAST SET HOLD DOWN ONLINE NEXT STORE UP POWER CAPTURE CLEAR BY POWER CONFIG REFERENCE W C IN RDR IN VID IN CONTROL MANUFACTURED BY TimeLine...

Страница 19: ...R VIDEO TRANSPORT EXT WORD CLOCK FILM VITC 25 DF 30 24 OFFSET SYNC PT RDR ERR GEN RESOLVE LOCK REH REC 24 25 DF 30 SER VITC PILOT LTC TRANSPORT VSO GEN ONLINE N STD TACH JAM UB JAM TC TACH MAINS INT R...

Страница 20: ...PTICAL DIGITAL INPUT DIGITAL OUTPUT INPUT OUTPUT 10 dBV ANALOG OUTPUTS SYNC METER BRIDGE FOOTSWITCHES OUT IN LOCATE PLAY LRC REMOTE PUNCH IN OUT POWER REQUIREMENTS 90 260 VAC 50 60 Hz 50 WATTS MAX 1 2...

Страница 21: ...C 50 60 Hz 50 WATTS MAX 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Sync Out Sync In Sync Out MASTER ADAT SLAVE ADAT 10 dBV ANALOG INPUTS 4 dBu ANALOG OPTICAL DIGITAL INPUT DIGITAL OUTPUT INPUT OUTPUT 10 dBV ANAL...

Страница 22: ...his video reference can be either black burst color bars or composite sync at either video or sync levels The AI 2 normally emulates the SONY PCM 7030 DAT recorder if the editor does not recognize thi...

Страница 23: ...mmands time code and a system timing signal all in a single cable The latest versions of TimeLine software include special optimized drivers for the ADAT machine and new features such as expanded trac...

Страница 24: ...1 OUT AUX IN AUX OUT TRANSPORT 1 TRANSPORT 2 IN MIDI OUT THRU OUT I F MAC KEYBOARD VITC IN THRU VIDEO OUT RS232 422 SYSTEM TALLY AES EBU O S OUT WORD OUT CLOCK IN AUDIO CLOCK GENERATOR TRANSPORT 3 RDR...

Страница 25: ...10 dBV ANALOG INPUTS 4 dBu ANALOG OPTICAL DIGITAL INPUT DIGITAL OUTPUT INPUT OUTPUT 10 dBV ANALOG OUTPUTS SYNC METER BRIDGE FOOTSWITCHES OUT IN LOCATE PLAY LRC REMOTE PUNCH IN OUT POWER REQUIREMENTS 9...

Страница 26: ...connector also optionally includes MIDI time code AI2009A EXTERNAL MIDI INTERFACING MIDI MACHINE CONTROL MMC RESPONSES Optionally includes MIDI Time Code MMC COMMANDS 1 1 Operation in Parallel with ei...

Страница 27: ...ynchronized is all locked to a common reference The AI 1 should be installed at the end of the ADAT chain after the last ADAT transport Connect a standard Alesis sync cable from the AI 2 SYNC OUT to t...

Страница 28: ...FERENCE W C IN RDR IN VID IN CONTROL LYNX 2 MICRO LYNX MIDI OUT IN BRC MIDI OUT IN THRU W C OUT SYNC OUT ADAT POWER CONFIG EDITOR MANUFACTURED BY TimeLine Vista Inc MADE IN USA S N ALESIS CORPORATION...

Страница 29: ...displayed when the STORE key is held on power up to reset the AI 2 A L E S I S A I 2 Model and Manufacturer a d a t I n t e r f a c e B y T i m e L i n e S o f t w a r e V e r s i o n A I 2 0 0 1 V i...

Страница 30: ...any time the ADAT transport configuration is altered by added or subtracted machines from the chain the AI 2 checks the bus and reassigns ID numbers as necessary In a multiple ADAT system power must b...

Страница 31: ...ansport where time code recorded on an audio track has a fixed relationship with the program material The ADAT is unique in that any time code type and any time code number can be selected for a piece...

Страница 32: ...uld not be made by mistake however the 0 1 sample rate options are not nearly as noticeable and should be used with caution When operating in a 30 or 29 97 frame based system the AI 2 time code type c...

Страница 33: ...ce between the two time codes There are three ways of setting an offset The offset can be manu ally entered captured or read from the ADAT tape header if it has been previously saved to tape If the ti...

Страница 34: ...t to on When use times is selected the times for the current cue are added to the main display rotation and can be edited using Set Hold mode in the normal manner If use times is set on the AI 2 offse...

Страница 35: ...setup can be customized at any time entering Setup mode does not affect normal operation of the AI 2 However care should be taken when altering the system reference sample rate or code rate and type...

Страница 36: ...ODE Normal mode is the basic operational mode for the AI 2 The LCD display will show one of six time code registers These registers can be selected by pressing the DISPLAY key Each press of the displa...

Страница 37: ...ime is modified by the Set Hold or capture process then the current tape time in the Cue menu will be updated The tape start time is normally read from the ADAT tape header The tape start time is used...

Страница 38: ...e protected and if they occur software or hardware errors Depending on the nature of the message one of three display methods is used 1 Messages are displayed immediately and are held in the display f...

Страница 39: ...code value to all zeros so that it is easy to enter a completely new number When a pair of digits that is being adjusted with the DOWN or UP keys passes through 00 then the next most significant pair...

Страница 40: ...can be set at a time because these commands are considered potentially destructive operations If a command is canceled by pressing the DISPLAY key the Setup Command menu Data option will be reset to o...

Страница 41: ...new session when there is no data on tape to read 5 3E Abort Data Read or Save This command is used to stop a tape or MIDI data save or read operation once it is in progress The command must be confi...

Страница 42: ...ay in all menus except for the Cue menu is structured so that the upper line indicates Setup followed by Menu name and the lower line indicates the submenu and selected value or option For example sam...

Страница 43: ...rmation is used to calculate the ADAT offset which is required for synchronization 5 7 AI 2 DEFAULTS The AI 2 has a comprehensive and intelligent default configuration system that is designed to autom...

Страница 44: ...e minus the AI 2 offset For example if the ADAT time is 30 minutes and the offset is minus 1 hour then the AI 2 time code output would be 1 hour 30 minutes calculated as follows 00 30 00 00 1 00 00 00...

Страница 45: ...ys matches the time code at the GEN OUT connector which as described above generates a virtual or relative position for the ADAT at any given time The MTC generator can be turned on or off in the MIDI...

Страница 46: ...enerated time code and the relationship between that rate and the digital audio sample rate are determined by the selected reference source Available reference sources are word clock video sync Lynx s...

Страница 47: ...AI 2 sample rate and time code are referenced to a special frame reference signal provided for the AI 2 by the synchronizer at the LYNX 2 MICRO LYNX connector This signal ensures that the AI 2 will al...

Страница 48: ...C signal present at the reader input The AI 2 will filter out minor speed inconsistencies in the time code but will track speed variation over time 5 12 SAMPLE CLOCK RATES The AI 2 generates the digit...

Страница 49: ...user with contin uous information about the time code reference source and communications status for the controlling devices and connected ADATs The LEDs flash to indicate error conditions ONLINE LED...

Страница 50: ...cations errors occur A communications error could be either bad data or an unrecognized MIDI message CONTROL LED Lights when valid communications are taking place on the selected control port either t...

Страница 51: ...bmenu and selected option on the lower line 6 3A Tape Motion Status Except when in setup mode the transport status is always indi cated by the first character in the lower line of the display The foll...

Страница 52: ...OWN and UP keys The SET HOLD key is also used with the STORE key to capture and load an offset in the AI 2 See Set Hold operation in the operational features section for a detailed description STORE U...

Страница 53: ...and automatically enter it in the AI 2 offset register Can also be used to calculate the offset between LTC recorded on an ADAT audio track and the ADAT tape position 6 4B Setup Operation In setup th...

Страница 54: ...panel keys are used to select copy and adjust AI 2 time code register values The SETUP SET HOLD STORE and DISPLAY keys perform the same functions as normal operation DOWN Used to decrease by one the s...

Страница 55: ...T transport specific functions Menu Submenu Option Description ADAT All Input On Off Default Auto Input 2 Input in record only 1 Input in nonplay default Off C Fade 42 67ms ADAT record cross fade time...

Страница 56: ...ata read and save selection Read SysEx See special operating mode 1 Save Tape Read Tape Clr Header Abort Default Read Tape Auto Always prompt to read ADAT tape header when new tape detected default Of...

Страница 57: ...op still On Off Default Rec Field 1 Preset field 1 record 2 Preset field 2 record Auto Record field set by editor default Mode Used to select the AI 2 control source The AI 2 defaults to AUTO which au...

Страница 58: ...to free wheel over any discontinuities or jumps in time code The Lock LED on the AI 2 will flash if a jump or discontinuity is greater than 25 subframes Phase Mode OFF After initial synchronization t...

Страница 59: ...ate the AI 2 offset from the Start and Tape times read from the ADAT tape header If set to on will add these two time code registers to the main display rotation Name The name of the current cue Cue n...

Страница 60: ...ADAT header global data Cue 1 20 Save read selected cue data only cue range 1 20 AI 2 Setup Save AI 2 specific setup data only All Cues Save read all cue data default MTC Used to turn the MTC generato...

Страница 61: ...le speed ref Varispeed set by VAR menu Int Fix AI 2 internal crystal Code Code type automatically set to ADAT tape header code type In chase set to reader type 30 Hz 30 30 Hz DF 29 97 Hz 30 NTSC defau...

Страница 62: ...57...

Страница 63: ...The other combina tions available are 30 Hz 30 30 Hz DF 29 97 Hz DF and 24 Hz 24 film code Sample Rate Used to select the ADAT transport sample rate The sample rate option defaults to the standard 48...

Страница 64: ...ly XX XXXK Measured external sample rate 5 Hz Rdr In Code Status Only 30 DF 25 24 Reader input code type Connected Displays the number of ADAT transports con nected to the AI 2 External Word Clock Dis...

Страница 65: ...controller or MMC Local Track enable at machine front panel Mapping Single Any selected audio track A1 A2 A1 A2 to odd even pairs default A1 A4 Any group of 4 1 4 etc Da1 Da8 Any group of 8 1 8 etc Ma...

Страница 66: ...cted When using Da1 Da4 track enables from the editor the AI 2 automati cally maps these to A1 A4 Map To Used to select the track or groups of tracks that are mapped to the editor record enables The t...

Страница 67: ...the optical digital bus which must be locked to the AI 2 for correct operation See the AI 2 Applications section for information on digital audio transfer also refer to the AI 1 Reference manual 7 1...

Страница 68: ...alues will mis match 7 2 ALL SAFE The AI 2 track select defaults to all safe This prevents ADAT tracks from being selected To make a record track selection all safe must be set off in the Tracks menu...

Страница 69: ...ugh to BRC 3 AI 2 Commands MIDI Responses 1 MIDI Machine Control MMC Responses 2 BRC Responses 3 AI 2 Responses 4 MIDI Time Code MTC Note Will operate simultaneously with RS422 or Lynx 2 control REFER...

Страница 70: ...he display steps through a configuration information sequence Use this switch to defeat the sign on information and jump straight to the normal time code display Switch 4 Use this switch if it is nece...

Страница 71: ...use the Var option to set the speed variation The speed variation range is nominally 300 to 100 cents at 48 000 KHz which is the same as the ADAT pitch range The AI 2 display shows the pitch variatio...

Страница 72: ...etect when a tape is ejected and if necessary automatically reassign the master transport Do not power down transports in the ADAT chain to take them offline this will prevent communication with ADAT...

Страница 73: ...ime Code Stability 2 microseconds max 8 0B Reference Sources Internal Crystal Internal Timing Crystal 50 ppm External Video 30 29 97 NTSC 25 PAL Sources Color bars Black burst or Composite sync must b...

Страница 74: ...ms to ANSI specification MIDI Interface Serial 31 25 Kbaud Conforms electronically to the standards specified in the MIDI 1 0 Detailed Specification 8 0F Front Panel The front panel has the following...

Страница 75: ...MIDI THRU BRC 5 pin Din Female connector LYNX 2 MICRO LYNX 25 pin Female D connector GEN OUT 1 4 Female stereo jack W C OUT BNC Female connector SYNC OUT 9 pin Female D connector 8 0I Option Cards Vid...

Страница 76: ...ost significant byte Specifies the minimum preroll time required by the VTR 4 PREROLL TIME minimum preroll time least significant byte 5 EDIT DELAY Corrects for the delay in frames from a VTR receivin...

Страница 77: ...ward and rewind 8 1B Lynx Interface The original Lynx module uses the LYNX 2 MICRO LYNX connec tor to control the AI 2 A Lynx 2 ADAT cable is used to connect the AI 2 to the Lynx module which must be...

Страница 78: ...l range of the ADAT transport from 40 363 KHz to 50 854 KHz It is strongly recommended that the word clock signal has a 50 duty cycle If the input does not have a 50 duty cycle then the word clock mus...

Страница 79: ...ler and ADAT transports also refer to the Troubleshooting Guide and Error Messages listed in Appendix Four There are no fuses inside the AI 2 if the unit fails to power up try replacing the wall mount...

Страница 80: ...normally caused by bad or incorrectly wired cables or because control software or drivers of an incompatible type are being used If the AI 2 control or MMC LEDs are flashing then make sure that the c...

Страница 81: ...erences between the displays ADAT program material drifts All the transports in the system are not locked to a common reference Make sure that the reference source selected for the AI 2 is also contro...

Страница 82: ...77...

Страница 83: ...n aborted Tape Read Err A tape read operation timed out or an error was encountered during the data transfer The data in the AI 2 may be incorrect Tape Read Done A successful ADAT tape read operation...

Страница 84: ...as changed Format Extend An ADAT format extend is occurring as part of an assemble edit operation Fps Changed The AI 2 system frame rate has changed Generator Err The AI 2 time code output has lost lo...

Страница 85: ...y a rear panel dip switch selection Rec Not Locked A record command was issued to the ADAT machine chain before all ADAT transports were locked Reference Err A generic message indicating that a refere...

Страница 86: ...ame Err Internal or external word clock reference for the ADAT machine has lost lock or is misframed 8 3C Warnings Abort Save Read An abort command to stop a data read or save operation has been selec...

Страница 87: ...d chase to those locations on command using SMPTE addresses tach pulses or control track pulses to find a desired point on tape Biphase Encoding The way in which SMPTE time code gets encoded onto anal...

Страница 88: ...ode word Frame Lock Frame lock synchronizes the Master and Slave s using all of the information available in the reference time code address Frame Rate The number of frames that go by in one second of...

Страница 89: ...ifference between two time codes at the point at which they are to be synchronized Offsets are subframe accurate and are displayed using the HH MM SS FF format PAL Phase Alternate Line PAL is another...

Страница 90: ...s two speeds 30 fps and 29 97 fps EBU time code is 25 fps Film time code is 24 fps Synchronizer A device that reads time codes recorded on two or more tape machines compares the codes and adjusts the...

Страница 91: ...y the method for reproducing audio tracks is not directly analogous to the linear tape track format Hard disk systems DAW s and MIDI sequencers are typical examples MIDI performance commands can be st...

Страница 92: ...with the instruction manual may cause harmful inter ference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user wil...

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