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D424 MO Recorder

E5/2 Troubleshooting

SW V 1.6

Date printed: 22.02.02

Operation and con-
figuration errors
(cont.):

Problem:

Solution:

"XFadetime too long"

Two fade areas overlapping

Reduce cross-fade time

"Sample slip"

Digital audio input not synchronous with system clock

Check synchronization of external source with D424

Hardware errors:

Problem:

Solution:

"0A: Restart device"
"0D: Restart device"
"6E: Restart device"
"7F: Restart device"

Fatal internal errors

Switch off system and retry
Contact dealer

"BD: Restart system"

Currently selected drive reporting fatal HW error

Switch off system and retry
Replace drive if necessary

"C5: Restart device"

General SCSI error encountered

Switch off system
Check SCSI cabling and retry

"D0: Restart device"

CD transfer failed due to D741 initialization error

Switch off system and retry

"D1: Restart device"

D741 timeout occurred after data transfer or after CD
finalizing process

Switch off system and restart; D741 should then be
able to read CD

"RTC battery is low"

Battery voltage of parameter RAM low, default pa-
rameters loaded

Check parameters; if error occurs again, contact dealer
for battery replacement

Medium errors:

Problem:

Solution:

"78: Restart device"

CD transfer failed (write error or manual interrupt)

Restart system, try with new CD-R

"8A: Restart device"
"Out of realtime"

Disk-related SCSI error encountered during transfer

• Check disk for defective blocks
• Save data to external device as soon as possible,
clean and low-level format the disk

"BC: Low format disk"

MO drive reports medium error

Switch off system, retry; save data to external device
ASAP, clean and low-level format the disk; if errors
remain after formatting, replace disk

"BE: Critical medium"

Information on current disk incorrect, had to be re-
paired, or
SCSI bus is not connected or not correctly terminated

see above

"Corrupt record pool"

Incorrect system files found

Switch off system, retry; save data to external device
ASAP, clean and low-level format the disk

"Disk corrupted"

Incorrect application files found

see above

"Last record failed"

Temporary record file found to be incorrect when trying
to create corresponding system entries

Contact dealer for trying to repair the disk on system
level

Warning: Defect blocks"

Inserted disk already has a considerable number of
defective blocks

Do not start new, important sessions with such disks; if
the number is increasing rapidly, clean the disk and try
to safe the data as soon as possible; refer to chapter
1.2.4 for more details

Содержание D424

Страница 1: ...SW Version 1 6 1 General 2 Operating Elements 3 Quick Start Guide 4 Operation 5 Troubleshooting 6 Circuit Description Jumper Setting D424 7 Circuit Description Jumper Setting Desktop Controller 8 Dia...

Страница 2: ...tuder Professional Audio AG Printed in Switzerland Technical Documentation Order no 10 27 3811 Ed 0202 Althardstrasse 30 CH 8105 Regensdorf Switzerland http www studer ch Subject to change Studer is a...

Страница 3: ...ns concernant le fonctionnement et la mainte nance Dieses Symbol deutet dem Anwender an dass die beigelegte Doku mentation wichtige Hinweise f r Betrieb und Wartung enth lt CAUTION Lithium battery Dan...

Страница 4: ...nne de l appareil l aide d un objet en mati re non conductrice mati re plastique ou bois Apr s une lectrocution toujours consulter un m decin ATTENTION NE JAMAIS TOUCHER UNE PER SONNE QUI EST SOUS TEN...

Страница 5: ...he equipment please read and adhere to the following recommendations and all sections of these instructions marked with Check the equipment for any transport damage A unit that is mechanically damaged...

Страница 6: ...e M4 Schraube mit Mutter bei 4 Legen Sie das Kabel gem ss Figur in den Halter ein und pressen Sie die Klemme kr ftig auf bis das Kabel fixiert ist Mains connector strain relief For anchoring connector...

Страница 7: ...hleren Oberfl che und somit zur Bildung von Eis oder Tau an empfindlichen Systemstellen Kontakte IC Anschl sse etc Ein st rungsfreier Betrieb mit interner Betauung unabh ngig von der Temperatur ist ni...

Страница 8: ...ispiel 2 Ein Wagen wird morgens mit 20 C warmer Luft von 40 relativer Luftfeuchtigkeit aufgew rmt Auf Teilen die k lter als 5 C sind bildet sich Tau oder Eis Before putting into operation the system m...

Страница 9: ...Komponenten d rfen nur von ausgebildetem Fach personal mit den vorgeschriebenen Schutzmitteln u a Schutzbrille Handschuhe gehandhabt werden Maintenance and Repair The removal of housing parts shields...

Страница 10: ...allf lliger Kondensator ladungen hergestellt oder getrennt werden Electrostatic Discharge ESD during Maintenance and Repair Observe precautions for handling devices sensitive to elec trostatic discha...

Страница 11: ...aturen sind die notwendigen Bau teile lokal zu beschaffen Die Spezifikationen von Spezialb auteilen finden Sie in der Serviceanleitung SMD Components SMD components should only be replaced by skilled...

Страница 12: ...rkung indem Sie deren Fl che m glichst klein halten und den darin flie ssenden Strom durch Einf gen einer Impedanz z B Gleichtaktdrossel reduzieren Electromagnetic Compatibility The equipment conforms...

Страница 13: ...in eigener Verantwortung dass das Produkt Studer D424 2 Channel Professional MO Disk Recorder ab Serie Nr 101 auf das sich diese Erkl rung bezieht entsprechend den Be stimmungen der EU Richtlinien un...

Страница 14: ...3 Adjustments Repair E1 9 1 6 4 Accessories Options E1 9 1 6 5 Connector Field E1 10 1 6 6 Connector Pin Assignments E1 11 1 7 Technical Specifications E1 13 1 7 1 Drive System E1 13 1 7 2 Recording F...

Страница 15: ...5 Insert Recording E3 7 3 5 1 Before You Start Recording E3 7 3 5 2 Manual Insert Recording E3 7 3 5 3 Auto Insert Recording E3 7 3 6 Working with Sequences E3 8 3 6 1 Change the Current Sequence E3...

Страница 16: ...t Recording E4 13 4 4 7 Assemble Recording E4 14 4 4 8 Insert Recording E4 14 4 4 9 Auto Insert Recording E4 15 4 5 Editing E4 16 4 5 1 Setting IN and OUT Points E4 16 4 5 2 The CUT Function E4 17 4 5...

Страница 17: ...and Fader Start Operation E4 46 4 12 1 Specifications E4 46 4 12 2 Signal Description E4 46 4 12 3 Fader Start E4 47 4 13 Serial Remote Operation E4 48 4 13 1 Command List E4 48 5 Troubleshooting E5...

Страница 18: ...patible E9 1 9 1 2 Communication Format E9 1 9 1 3 Hardware Layer E9 2 9 1 4 Messages E9 2 9 1 5 Command List E9 4 9 1 6 Command Messages E9 5 9 2 Drive Installation Instructions E9 7 9 2 1 MO Drive K...

Страница 19: ...r format CD a removable medium with ex cellent price and archiving characteristics the optical disk became in the meantime a reliable recording media standard in audio and computer in dustry Taking th...

Страница 20: ...automatically recognize the type of the disk being inserted Direct overwrite LIM DOW type disks are only supported when the D424 is equipped with a F 541 DW drive 1 2 2 Disk Formatting New disks are...

Страница 21: ...4 min 1 3 GB ISO 60 min 55 min 37 min 2 3 GB ISO 1 h 45 min 1 h 37 min 1 h 5 min 2 6 GB ISO 2 h 1 h 50 min 1 h 15 min 4 8 5 2 GB ISO 3 h 15 min 3 h 2 h Notes All 5 25 disks are double sided Each side...

Страница 22: ...tomatically assign spare blocks for storing the affected audio information The D424 will check a disk when set to RECORD READY A warning message will be displayed if more than 60 grown defective secto...

Страница 23: ...dditional take markers during a long recording session In a concert you may mark the begin of a new song This will save time for creating the definitive markers when editing later Store additional ind...

Страница 24: ...divided into two separate takes by placing an additional marker The new take marker gets number 5 which is the next free number in the current sequence In addition a certain position in take 4 is mar...

Страница 25: ...apacity on a disk There is only a new small EDL file describing how to play the same audio data in a different way 1 3 2 Non Destructive Editing The D424 is providing non destructive editing Because a...

Страница 26: ...or signs of shipping damage If there should be any complaints you should immediately notify the for warding agent and your nearest Studer distributor Please retain the original packing material becaus...

Страница 27: ...as repair work on this product are to be performed by skilled technicians During service work dangerous laser radiation can occur so the appro priate precautions must be taken Primary Fuse The primary...

Страница 28: ...le Input and output BNC connectors 7 TIME CODE SMPTE EBU longitudinal timecode Input XLR 3 female and output XLR 3 male 8 SERIAL Serial remote RS 422 Input SONY 9 pin compatible 9 CONTROLLER Desktop C...

Страница 29: ...FGND Frame ground Transmit A inverted Receive B Receive common Supply voltage 24 V switchable Transmit common Transmit B Receive A inverted Frame ground CONTROLLER 15 pin D type female Pin Signal Func...

Страница 30: ...11 12 13 14 15 B_TAKE B_INDEX B_PLAY S_STOP S_PLAY S_PLOC FADER1 GND B_STOP B_READY VCC S_PREV S_NEXT FADER2 KEY Take pulse Index pulse Play tally Stop command Play command Ploc command Fader start i...

Страница 31: ...major manufacturer standard 1 7 3 Audio Processing Switchable Word Length 16 20 24 bits Sampling Rates 44 056 44 1 47 952 48 kHz Varispeed Operation 12 5 Digital Scrub Range 0 2 Vnom Real time Output...

Страница 32: ...ctors with termination selector Word Clock Output BNC connector TTL Level 1 7 6 Timecode Accepts and generates all available formats 24 25 29 97D and 30 29 97 and 30D D drop frame mode for NTSC compen...

Страница 33: ...ditions Ambient Temperature 5 35 C Rel Humidity 10 80 non condensing Operating Position horizontal 10 1 7 10 Standards Safety Standard Protection class 1 EN 60950 1992 A1 A2 1993 Class 1 laser product...

Страница 34: ...icated in bold printing and within brackets PLAY PLAY key REC PLAY Double key combination REC is pressed first and as long as REC is pressed PLAY is pressed additionally 1 9 One of the keys 1 to 9 ENT...

Страница 35: ...T SOURCE UNDO TARGET SETUP SEQ REG TAKE IND CLR 7 4 1 5 2 0 6 3 ENT D 424 MO RECORDER DISK RECORDER SERIES SHTL OVER 0 2 5 7 10 14 20 30 40 50 dB 4 46 17 16 14 5 8 9 7 6 13 15 10 11 44 32 47 33 24 36...

Страница 36: ...Speed Indication LEDs between speed control SHTL and position control CUE The currently selected mode is indicated with the LEDs next to the CUE SHTL key The control wheel allows to modify speed or po...

Страница 37: ...source element at the position defined with the target IN point 30 UNDO The D424 reverts to the status before the last editing process 31 PREVIEW In editing modes source or target LED on PREVIEW foll...

Страница 38: ...or without index markers If index markers are indicated as well all skip functions are referring to both markers instead of take markers only In setup and sequence editing modes the key is used as cu...

Страница 39: ...g rate allowed per disk side Changing the fre quency is only possible with an empty disk 4 Recording mode should be set to ASS LED above the REC button which is the default setting after switching on...

Страница 40: ...ES EBU with SETUP 2 1 select dig with u u u u ENT z z z z u u u u i i i i select audio with u u u u ENT SETUP Notes There is only one sampling rate allowed per disk side Changing the fre quency is onl...

Страница 41: ...ode position t If no time code was recorded the timecode display is identical with the absolute time indication the t mark is flashing TAKE switches between take display or take and index display 3 3...

Страница 42: ...recorder will continue in the same status as it was before stop or play 3 3 7 Setting Markers Set and remove markers with the following keystrokes TAKE INSERT inserts a new take marker INDEX INSERT in...

Страница 43: ...OUT CAPT or locate to the points when there are already markers and change to CUE for precise positioning Transfer the current address to the register with IN CAPT or OUT CAPT or search the point wit...

Страница 44: ...CAPT or OUT CAPT 3 Activate the target editing mode with TARGET 4 Find the location to insert the source element defined above Use one of the methods described in item 2 and copy the position to the T...

Страница 45: ...ched and then make record punch in with a REC PLAY command or park the D424 at the punch in location and start recording with REC PLAY 4 Perform a punch out with PLAY or STOP Note After having tried r...

Страница 46: ...t is necessary to assign a specific number to the new sequence the new number is added to the command If there are 3 sequences on a disk and the following numbers should be reserved for additional rev...

Страница 47: ...ted TARGET 4 CUT delete take 4 from the target sequence CUT CUT further CUT commands will delete take 3 2 and so on 3 6 4 Copy a Sequence For copying an existing sequence enter editing mode and perfor...

Страница 48: ...ng UPC and ISRC Codes Select the UPC menu 642 enter the UPC code and confirm with ENT An UPC code will be accepted only if no UPC code has been programmed yet Select the ISRC menu 643 and enter a code...

Страница 49: ...everts to standard mode 3 7 4 Copying to from Other MO Disks Sequences and complete disks can be copied from the internal drive to additional external drives There are 3 possible choices DISK COPY wil...

Страница 50: ...can be recorded only together with audio channel s set to ready 3 8 2 Playing Back Timecode The D424 always provides the current position at the TC output connector If no timecode was recorded the abs...

Страница 51: ...connected units using the keys UNIT1 UNIT2 or UNIT 3 The D424 will indicate remote operation by a message in its local display Press an other UNIT key or the active one again for de selecting the rec...

Страница 52: ...e when passing a take marker in Play 2 B_INDEX Index pulse when passing an index marker in Play 9 B STOP Stop tally 3 B_PLAY Play tally 10 B READY Ready for fader start operation Others 8 GND Signal g...

Страница 53: ...t attenuator inp1 inp2 0 14 dB 32 OUT LEV Analog output level level 0 3 33 DIG LEV Digital playback level channel1 channel2 12 6 dB 34 XFADE Crossfade time 0 2000 ms 35 METER Meter mode peak peak hold...

Страница 54: ...he display The parameters can be modified in the following setup menus Menu 11 Sampling rate Menu 12 Sample word length Menu 14 Recording mode Notes It is possible to have different recording modes an...

Страница 55: ...indi cated by a non flashing clock source indication INT VID or DIG Selecting the Correct Reference There are the following settings for the D424 clock synchronization Mode Setup menu 21 Setup menu 2...

Страница 56: ...available in a digital environment use the corresponding Digital Mode AES 11 and Word Clock are pre ferred 4 1 4 Other Parameters There is a number of general parameters for remote operation storing...

Страница 57: ...s showing the current position in hours minutes seconds and frames or milliseconds Select either frames or milliseconds as display resolution with setup menu 47 Line 3 The currently selected sequence...

Страница 58: ...al sources for the current position within the sequence With TIME FORMAT one of the following choices can be selected by toggling through the menu TC Timecode mode The position is displayed referring...

Страница 59: ...matically cleared 2 Resetting the field to 0 with CLR 3 Modifying the displayed value with the control wheel All these modifications do not directly affect the register contents The modified value is...

Страница 60: ...le speed CUE moves recorder forward or backward according to the control wheel posi tion For easy access to random positions index and take markers can be placed moved and erased Two edit registers as...

Страница 61: ...only take numbers or take and index numbers Time Mode TIME Either the absolute relative or timecode position is displayed in line 2 Remaining Time Mode Menu 46 The remaining time is showing the time u...

Страница 62: ...s instead of take markers 4 3 4 The CUE and SHUTTLE Modes With the CUE SHTL key the mode that was used last is entered Each subsequent keystroke toggles between CUE and SHTL mode In the CUE mode the p...

Страница 63: ...ey The following keyboard entry is terminated either with ENT with STOP or with PLAY LOC 2 PLAY will start playing at take no 2 LOC 5 ENT will park the D424 at the beginning of take no 5 For accessing...

Страница 64: ...eased by one the absolute time continues at the end of the last take In the following example there is a sequence with 3 takes with the current position in take 2 No matter where the current position...

Страница 65: ...one of them automatically activates both channels In MONO mode either RDY1 or RDY2 is selectable RDY 1 RDY 2 STEREO ON ON Stereo recording both channels linked MONO ON OFF Mono recording from input ch...

Страница 66: ...separate keys for direct access to the level setting menu Simply keep VOL1 or VOL2 pressed and set the level with the control wheel Attenuation in setup menu dB 0 0 0 5 1 0 13 0 13 5 14 0 Input sensi...

Страница 67: ...ailable recording space is displayed If no disk space is available anymore the D424 automatically stops The new take number appears in the position line i e the 2nd display line Every new recording se...

Страница 68: ...punch out at the OUT point are performed The auto record process is stopped at OUT plus POST ROLL The auto insert can be previewed by activating the rehearse mode with the PREVIEW key before starting...

Страница 69: ...setting the IN and OUT points The settings for the source element can be audibly checked with PREVIEW functions If necessary the edit points are adjusted In case of an INSERT the target point is set i...

Страница 70: ...ng New Values If the correct position is known by position from an existing list or if points should be roughly defined before accurate tuning the position can be entered like any other register IN se...

Страница 71: ...een the IN and OUT points Neither the length of the sequence nor the take and index markers between the IN and OUT points are affected 4 5 4 The INSERT Function For the INSERT function an additional p...

Страница 72: ...nging to the target mode the selected element is inserted at the new position 3 The source element is then removed in source mode with SOURCE CUT 4 5 6 The PREVIEW Function During adjusting the edit p...

Страница 73: ...post roll element following the TARGET IN point is played in target mode PREVIEW SOURCE The complete source element that will be inserted is played PREVIEW INSERT The insert process is rehearsed by p...

Страница 74: ...T the selection is made and the display reverts to the standard mode Quitting the selection mode without changing the current sequence is achieved with a further SEQ command 4 6 2 Creating a New Seque...

Страница 75: ...get se quence the sequence that is edited are listed in the first or last line re spectively Lines 2 and 3 show the currently selected sequences with a source take and a target take position Now the t...

Страница 76: ...last take of the edited se quence After an INSERT command the source take is incremented to the next take of the source sequence the target position is after the take just in serted This will allow to...

Страница 77: ...itional PQ in formation The transfer is performed with double speed What will be Transferred The audio data are transferred in one of the following modes TOC A complete sequence is transferred to a ne...

Страница 78: ...oving to the start item with the cursor keys and confirm with ENT During the entire transfer process the indication processing and a prog ress bar with signs will inform you on the transfer status As...

Страница 79: ...enough free capacity for adding the in formation and the format should be CD compatible 44 1 kHz Select the CD drive as active drive setup menu 51 Select the desired transfer mode in menu 644 If trans...

Страница 80: ...ta quality when transferring 20 bit or 24 bit data to a 16 bit sequence Recording Parameters With MASTER COPY a new audio file is generated Some of the basic recording parameters are considered Digita...

Страница 81: ...ISRC code for each take If cleared no UPC EAN is re corded CD MODE Menu 644 One of the following modes can be selected TOC Disc at once transfer including table of contents MULTI Same as TOC but mult...

Страница 82: ...ion at the take begin e g take has been defined by a new record start or a pause has been inserted manually Note In ADD mode the Studer D741 will generate pauses of 2 seconds regard less of the D424 s...

Страница 83: ...TARGET INSERT Copy all takes It is very easy to switch between different versions of the same production by selecting one of the available sequences as the active one Example Select sequence 4 as the...

Страница 84: ...It will automatically recognize the connected SCSI destination After having started your system the following steps are necessary for transferring the current sequence onto the destination disk Be su...

Страница 85: ...D424 sequence files including all information for playing sequences are converted into the common SADiE interchange format Because the large audio files do not have to be translated the conversion pro...

Страница 86: ...tories Close the SADiE project and remove the disk Select the Disk Manager in the file menu press the right mouse button and select unlog disk The disk can now be inserted to the D424 It will automat...

Страница 87: ...keys The currently selected item is highlighted its number is flashing z z z z and i i i i go to the previous or the next menu level When several parameters have to be modified it is usually faster to...

Страница 88: ...s 41 MAXSPD Maximum wind speed 2 30 nominal speed 42 VARISPD Play varispeed off on 12 5 43 AUTO Auto stop off on 44 PRE POST Pre roll post roll 2 40 s 45 FADER Fader start1 disabled enabled 46 REMAIN...

Страница 89: ...ds 4 bytes sample for compatibility with third party applica tions 13 TC Timecode Format The D424 provides SMPTE EBU timecode at its TC OUT connector The provided format can be changed at any time it...

Страница 90: ...functions except SETUP are disabled 4 10 4 Menu 2 REF INP Reference Input Parameters 21 CLK SRC Ref Clock Source Menu 21 provides the main clock references for the D424 int Internal reference quartz...

Страница 91: ...ces it might be necessary to adjust the overall playback level The D424 provides a func tion to modify the playback level in the digital domain There is a separate setting for each channel Range 12 6...

Страница 92: ...records pre roll and post roll times are used The D424 allows to specify these editing pa rameters separately Range 2 40 s in 1 s steps 45 FADER Fader Start When the fader start operation is enabled...

Страница 93: ...CSI offline mode D424 is operated from an external controller no Select standard online operation 53 FORMAT Format Disk The inserted disk will be high level formatted All data will be lost the necessa...

Страница 94: ...INDICES removes all index markers of the current sequence cancel Return to the previous menu page yes Start the CLEAR INDICES process A processing message will be shown during the process 57 DEL FILE...

Страница 95: ...nce to the target MO disk as an exact copy of the source sequence including track and index information The audio information will be merged into a new single sound file With MASTER COPY a new file is...

Страница 96: ...transfer only Catalogue number for CDs 13 digits The indicated number is read from the inserted CD modifications are only possible as long as no code was programmed yet code is 0 643 ISRC ISR Code CD...

Страница 97: ...sequence file is replaced by an interchange file that can be interpreted by SADiE Remove the disk after the fix up process If a SADiE compatible disk is reinserted to the D424 all found inter change...

Страница 98: ...ontroller is in idle mode showing a not assigned message All connected recorders run locally The Controller can address one recorder at a time by selecting the corre sponding key UNIT1 UNIT2 or UNIT3...

Страница 99: ...Key 4 12 2 Signal Description Signal Description VCC Supply voltage 5 VDC may be switched to 24 VDC GND Signal ground S_STOP Stop command S_PLAY Play command S_PLOC PlayLoc command locate to the last...

Страница 100: ...er start operation is enabled with setup menu 45 The D424 is ready for playback i e a disk with a playable sequence is inserted If the above conditions are met the fader ready signal GPI pin10 is ac t...

Страница 101: ...ions where the D424 is controlled by equipment using the SONY RS 422 standard The D424 provides a basic subset of the complete function ality In addition to the standard commands an extension was made...

Страница 102: ...ll takes of a sequence should be recorded with the same emphasis status Invalid edit points Edit points IN and OUT beyond the sequence limits or IN OUT Set correct edit points Invalid rec points Edit...

Страница 103: ...ium errors Problem Solution 78 Restart device CD transfer failed write error or manual interrupt Restart system try with new CD R 8A Restart device Out of realtime Disk related SCSI error encountered...

Страница 104: ...ault value 1 to 4 For that purpose simply move the address jumper at the rear of the drive from position 3 to position 1 as shown below This modification may be performed by qualified personnel only P...

Страница 105: ...VCXO voltage controlled quartz oscillator with a narrow capture range because the reference frequency on IC39 Pin3 is very low By selecting the control frequency of the VCXO IC36 Pin1 also the interna...

Страница 106: ...UT 0 PLL divider defined by VR1 VR0 1 PLL divider automatically selected VR1 VR0 Frame Rate on Sync Input TC Generator Frame Rate 0 0 30 Hz 0 1 30 Hz drop frame 1 0 25 Hz FR1 FR0 Computed Frame Rate T...

Страница 107: ...g circuits are derived The 14 V are electrically separated from the digital supply These switched mode regulators are clocked with twice the sampling rate The switching thresholds at the 24 V input fo...

Страница 108: ...the Motherboard is effected by the bi directional register IC404 and the Dual Ported RAM IC403 with the Controller IC401 The SCSI bus is actively terminated by IC503 6 2 1 Jumper and DIP Switch Setti...

Страница 109: ...of 1 kHz 10 dBu to the analog inputs Adjust trimmer potentiometers RA1 CH1 and RA2 CH2 so that the Clip LEDs of the Peak Meter just are off Adjust the output level with RA3 CH1 and RA4 CH2 to 10 dBu...

Страница 110: ...bus TX 5 REMR Rem bus RX 13 IREMR Rem bus RX 6 STSTR Start signal 14 ISTSTR Start signal 7 SYNCBUS Sync bus 15 ISYNCBUS Sync bus 8 DGND Digital GND General Purpose Parallel Interface D type 15 pin fe...

Страница 111: ...eter display It boots with its internal boot routine and loads afterwards if required the 68360 s main software into the RAM This RAM is buffered with a High Cap capacitor so the software is retained...

Страница 112: ...ram SCSI Core SCSI Core 1 866 130 SCSI Core 1 866 131 Block Diagram Analog Input Output Analog Input Output 1 866 140 Block Diagram Display Board Display Board 1 866 150 Block Diagram Keyboard Keyboar...

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Страница 181: ...command mes sage The D424 will respond with a message containing the requested data or an acknowledgement The D424 responds within 9 ms after having received the last byte The interval between two com...

Страница 182: ...common 24 V 5 Transmit common 6 Receive common Transmit B 7 Receive B Receive A 8 Transmit A Frame ground 9 Frame ground Logic 0 SPACE if signal B A logic 1 MARK if signal B A 9 1 4 Messages The stru...

Страница 183: ...a particular command see command list Byte 3 Data bytes DATA 1 DATA n Up to 15 data bytes may be added to a command indicated by the data count in byte 1 Byte n 3 Checksum byte CHKS The checksum byte...

Страница 184: ...E 60 36 read current timer position 71 36 tmode CURRENT TIME SENSE 61 0C tsource read current position 74 0x time STATUS SENSE 61 20 status address read current status 7x 20 status Formats speed 1 byt...

Страница 185: ...to a RECORD punch in command REC PLAY EDIT OFF Corresponds to a RECORD punch out command PLAY EDIT PRESET Presets the recording mode and the channel READY status bit 7 bit 0 insert assemble TC A2 A1 i...

Страница 186: ...ind mode ff Set when D424 enters fast forward mode rec Set when D424 enters recording mode ass ins play Set when D424 enters play mode locked 1 when D424 is correctly locked to sync source shtl Set wh...

Страница 187: ...with serial number below 1001 that were shipped with the 2 2 GB Pioneer drive the two drive mounting brackets have to be re placed The new brackets are part of the upgrade kit and allow the instal lat...

Страница 188: ...the rear side of the currently installed drive 3 The new ISO drive is mounted from the front of the D424 by sliding it through the front panel opening and attaching it with the 4 corresponding screws...

Страница 189: ...ating surface this has to be done with DS1 on from SW version 1 2 The controller interface can be selected for operation with the Studer Desktop Controller or with a customer specific remote control f...

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Содержание D424

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Studer D424, Инструкция по эксплуатации и обслуживанию

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Содержание D424

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