Studer D424 Operating And Service Instructions Download Page 1 | Manualshive

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Studer D424

2-Channel Magneto-Optical Disk Recorder,
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. Diagrams
9. Appendix

Operating and Service Instructions

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Summary of Contents for D424

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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