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Why is it the Sirius is a digital console?

Sirius digital Mixer from D&R Phone +31 294 418014, email:

[email protected]

Page 6

2 Why is it the Sirius is a digital console?

Digital audio is slowly accepted as the new standard for audio. The Sirius is a design based on
new generation software for mixing consoles with Digital Signal Processing. The Sirius is
designed using the latest available technology in its field and its design simply surpasses most
other digital design techniques.

The Sirius accepts all digital audio sources without any loss of quality. Use of sample rate
converters on all inputs simply eliminate all problems related to different sample frequencies in
older digital desks.
You can virtually connect any of today’s digital and analog sources to the Sirius.

In the digital domain there are even more advantages, such as reproducing and copying signals
without any loss. Patching is also a thing of the past; the built in digital router takes care of
this.

All processed data through the whole system is floating point. It means infinite headroom
throughout the whole system. It means that if you use extensive EQ-in, the processing could
lead to signal being pushed into the red area of the led-bars and the fader, or even an output
really can compensate it for send control. It’s amazing is not it?
The same goes for an overdriven mix-buss; this can be corrected by lowering the output send
level. Features only available in a modern up to date digital system.

In the digital domain it is possible to implement extra features. Outboard
gates/compressors/limiters are a thing of the past. The Sirius has one in every input channel!

More exciting features are that every parameter of an input signal flow can be stored and
retrieved later. You can build a library of snapshots and pre -sets and save them on hard disk
or floppy.

Digital technology shall give you more flexibility and power than ever experienced in the
analog domain. Reliability is built in by using the industrial Windows NT operating system.
Special attention has been given to reliability equally well in hard and software in many areas
of the design.

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Содержание Sirius

Страница 1: ...Sirius Digital On Air Console Manual V1 0 0 8 ...

Страница 2: ...esign No digital layering just direct access to all relevant functions as we think it should be in daily practice Jan Betten and Anton Prins both equally responsible for the design of the Sirius always value suggestions from you once you have become familiar with your Sirius We will certainly learn from your comments and we will very much appreciate the effort and time it will take for you to comm...

Страница 3: ... 5 4 2 Program busses 11 5 4 3 Mix busses 11 5 4 4 Cleanfeed busses 12 5 4 5 CUE buss 12 5 4 6 Fader VCA groups 12 5 5 SEND MODULES AND OUTPUT ROUTING 13 5 6 MASTER AND CRM FUNCTIONALITY 14 5 6 1 Clock and Timer 14 5 6 2 Master functions 14 5 6 3 Master meters 15 5 6 4 CRM 15 5 6 5 Studio 16 6 INTERFACING 17 6 1 I O RACK 17 6 1 1 CPU 17 6 1 2 MUX 17 6 1 3 Power supply ON OFF switch 19 6 1 4 Digita...

Страница 4: ...C to digital input set up 34 7 2 9 Output set up 34 7 2 10 Related input 34 7 2 11 Output settings 34 7 2 12 Remote 35 7 2 13 Output mute controlled by 35 7 2 14 Digital to digital output set up 35 7 2 15 Digital to analog output set up 35 7 3 MACRO SWITCH SET UP 36 7 4 USER MANAGEMENT 37 7 4 1 New user 37 7 4 2 Edit user 37 7 4 3 Delete user 39 7 5 SNAPSHOTS AND PRE SETS 39 7 5 1 Total snapshots ...

Страница 5: ...ed questions otherwise addressed to us You can use this manual later on as a reference for your questions In the first chapters we shall try to give an overview of the Sirius and its features In this way you can have an impression of how to implement the system in your application The next chapters will deal with interconnecting the various parts of the system and its external interfacing with you...

Страница 6: ...his All processed data through the whole system is floating point It means infinite headroom throughout the whole system It means that if you useextensive EQ in the processing could lead to signal being pushed into the red area of the led bars and the fader or even an output really can compensate it for send control It s amazing is not it The same goes for an overdriven mix buss this can be correc...

Страница 7: ...O rack 3 2 The in output rack This rack can be mounted in a rack system accepting 19 rack system parts It can accept various I O units all to your own individual needs The rack mountable units are taking care of all in output signals as well as all remote interfacing The main CPU that controls the entire mixer shall also be a part of this rack We shall discuss this in one of the next chapters in d...

Страница 8: ...ol surface The Sirius offers you a 64 to 32 input router to interface the audio with 32 input channels A second Matrix the CRM input matrix is a router of all 64 inputs plus all busses to 6 stereo monitoring inputs This gives you the possibility to listen on your CRM to a selection of inputs and or busses for instance Prog 1 and an On Air signal A similar matrix is used for the studio buss 4 2 Bus...

Страница 9: ...ion that is very convenient and sources can be selected in any sequence just the way you want it to be These settings can be saved for recall at any time When you are ready with selecting the input sources you need for the job you can now trim your input level with a range of 40 dB 20dB to 20dB by way of the input gain potentiometer This can be done on screen or on the gain motor potentiometer in ...

Страница 10: ...l time on the Super module by rotating the pots there Or it can be done by way of a Mouse movement the motor pots will follow or in caseof loading settings from memory all motor pots in the Super Module will instantly go to the memory position of the saved EQ setting 5 3 Dynamics Every channel has a dynamics section with a gate and a compressor Dynamics can be switched on or off as a pair but also...

Страница 11: ...control adjusts the time it takes to recover from compression The make up gain can adjust the lost gain when heavy compression takes place An overall On Off switch is silently switching the compressor on or off 5 4 Level and Routing When the signal has been processed in level and dynamics it can be routed to one or more output busses such as the Aux busses Program main busses Mix busses Clean feed...

Страница 12: ...ignal to be send to that buss from a specific channel The adjustments for mono pre post fader are identical to the mix buss programming 5 4 5 CUE buss The stereo CUE buss can be fed from an input signal pre fader by way of the Cue switch An alternative function of the CUE buss is to use it as a talkback communication switch We will explain this later 5 4 6 Fader groups Positioned left of the fader...

Страница 13: ...d make s the audio path unity gain The Mono switch makes the buss mono summing left and right audio The CUE button on the send panels gives you the ability to listen to the audio signal present on these busses In the Destination section you can select which output can be used for the selected buss This type of output matrix router provides you with nearly unlimited possibilities for your routing n...

Страница 14: ...nctions In the master section you will also find the red light signaling This is located below the Clock itself on the screen When a channel is activated and you have labeled this channel to generate red light see 7 2 Input and output only then On Air light shall be activated NOTE Red light signaling is active for both Red light 1 and Red light 2 busses however both busses can be assigned individu...

Страница 15: ...many two tracks you want directly accessible on your CRM here by activating any input available The next step is to select which source you want to listen to These knobs can function in two ways Either additive or alternating a decision made in the Global Settings see 7 1 2 Selection Of course you have the possibility to adjust the level dimming and muting on the CRM buss these knobs are located i...

Страница 16: ... appears with all the inputs and busses It is up to you how many two tracks you want directly accessible on your Studio output here by activating any input available The next step is to select which source you want to listen to These knobs can function in two ways Either additive or alternating a decision made in the Global Settings see 7 1 2 Selection Follow CRM shall connect the CRM to the studi...

Страница 17: ...a this CPU you can control the complete mixing console All you need is a mouse a keyboard and a monitor These items can be connected to the back of the unit on standard industry connectors Furthermore there is a large 68 pole connector SCSI twisted pair connector on the back that needs to be hooked up to the MUX card The maximum length tested is 1 8 meters We suggest to have de CPU and I O rack lo...

Страница 18: ...up to 49kHz AES3 In is used to synchronize the Sirius internally AES3 Out On this connector the internal frequency is offered on AES3 format to synchronize external equipment MC In This is the master clock input The Master clock is 256 times the internal sample frequency MC Out The Master clock output always produces the internally used master clock frequency FC In The Frame clock in connector als...

Страница 19: ...converters on all inputs It is therefore possible to connect signals with different sample rates or even asynchronous on different input channels without facing any synchronization problems The frequency range that can be dealt with can be anything between 20kHz up to 100kHz The LED s on the left side are indicating the status of the DD unit Power indicates power is present OK indicates software i...

Страница 20: ... in 0 5 Volt 6 1 5 Analog to digital unit The analog to digital input unit provides you with electronics to convert the analog input signals in very high quality into the digital domain with the proper sample frequency The LED s positioned far left indicate status of the AD unit Power indicates power is present OK indicates software is running The unit has four identical sections each reading two ...

Страница 21: ... analog output unit converts the internal digital signals to analog signals The LED s positioned on the left side indicate the status of the DA unit Power The DA unit is powered OK Indicates that the software is running properly The unit has four identical sections of two channels The analog audio is presented via XLR connectors in left right pairs The LED s in the sections indicate the status of ...

Страница 22: ...d and several fader control modules fitted with 4 or 8 or 12 faders can be connected The Sirius automatically detects what has been connected to which connector However it is advisable to connect the fader control units to connector 1 and or 2 depends on the fact if you have one or two modules and the Super control module to connector 2 or 3 A practical connection scheme Fader Control Unit 1 8 mod...

Страница 23: ...the internal activities of the Sirius for service purposes Directory structure When the Sirius software is installed on your system you will be presented with a number of typical directories normally this should be C Program Files D R Electronica B V Sirius Digital Such as Dynamics Presets This directory is used to save the default Dynamics presets There are of course user directories to save pers...

Страница 24: ... files Those files are Windows BMP files which holds the background of the master meter screens You can edit them for example with your own logo 7 1 Global settings All global settings can be found in a sub menu called Global Settings You can find this menu via the main menu item SETUP When you click on this option you get a screen display with all global settings that can be programmed here See s...

Страница 25: ...t activated asumming of CRM sources can be realized This is also applies for the Studio input selection 7 1 3 Generator The Sirius has an extensive audio signal generator You can choose out of Pink noise White noise and Sine wave This test tone generator can be switched onor off in every channel Level can be adjusted 0 dB is 0dB full scale with 24 bits as well in this menu section but only by way ...

Страница 26: ...signal is not mono compatible to much out of phase components To make this clearer the pointer shows a different color depending on the phase error In a mono compatible situation 1 the pointer is yellow in an out of phase situation 1 the pointer is colored red For an ideal stereo signal the point should be colored orange 7 1 5 CUE set up In this field the CUE set up can be chosen to be very advanc...

Страница 27: ...ated on SUB D 9 pole connector IN OUT 2 Remote 5 and 6 are located on SUB D 9 pole connector IN OUT 3 Remote 7 and 8 are located on SUB D 9 pole connector IN OUT 4 7 1 8 Remote in The incoming remotes can be programmed in the filed labeled In The firststep is to decide whether the remote should have a momentary or latching action and the next step is to assign the remote Options are CUE Reset Rese...

Страница 28: ...l set up of the inputs and outputs It is a very important part of the initial installation of the Sirius Things like labeling and set up of I O units are part of the set up procedure So carefully read and maybe re read this section until you are fully aware of all its do s and don ts To pull up the SETUP menu you must choose the item Input output set up This screen shows you on the left side the i...

Страница 29: ... 31 294 418014 email info d r nl Page 29 connectors on the MUX cards this unit is connected You can also see information which channel number in this unit belongs to which input In this way you can always find out which input you are programming ...

Страница 30: ... normal labels from for instance MIC 1 into DJ whatever Now instantly can be seen which person is behind the console The final box in the Input section indicates to which input this input is tied up to form a stereo pair On the stereo digital and analog units this is fixed but with a mono I O unit microphone inputs you can create your own stereo pairs 7 2 2 Related output Below the input section y...

Страница 31: ...ing also the Remote IN CUE selection will be active You can now enable the CUE buss input to the CUE buss by using an external switch at the remote input for this particular channel EQ active Here you can switch the EQ section on or off Dynamics active Here you can switch the Dynamics section on or off 7 2 4 Remotes In the remotes field you can program the remotes belonging to this input The follo...

Страница 32: ...ried out Functions such as Red light 1 when the module is active red light 1 buss is activated Red light 2 when the module is active red light 2 buss is activated Timer when the module is active the Timer buss is activated Control room mute when the module is active the CRM mute buss is activated In this way CRM speakers can be muted Note only when you have programmed the output mutes to be contro...

Страница 33: ...ction to the internal nominal headroom level A number of fields are to be seen to indicate statuses of the incoming audio such as Error active when no synchronization is present equal to the hardware box LED Audio indicates whether the signal is audio or data no audio Copyright indicates whether the copy bit is On or Off of the incoming audio Original indicates if the original bit of the incoming ...

Страница 34: ...s the default file all system labels shall be instantly changed We have chosen for two types of labels system labels and normal labels System labels are program independent labels such as PHONES 1 PHONES 2 The engineer can change the normal labels if he has the proper rights to do so see7 4 User management so he can type instead of words like PHONES 1 for instance DJ X The last field in the output...

Страница 35: ...ave This could be professional AES EBU or consumer Coax and Optical When you have selected pro status Copy bit and Original are not active anymore In the consumer mode you have the option of activating Copy bit and Original Then you also have the possibility to activate dither on the output The next option is Use input clock If activated you can insert the sample rate converter between internal ou...

Страница 36: ...ary also for remote outputs The next step is to tie a function to this switch You can choose from Preset A preset snapshot can be downloaded instantly by scrolling through the brow options you can select the file that needs to be loaded Red light 1 Red light 1 can be switched on or off by a macro switch Red light 2 Red light 2 can be switched on or off by a macro switch Timer The internal Timer ca...

Страница 37: ...his users management is implemented and what possibilities you can expect 7 4 1 New user Via SETUP menu and item User management you can choose the menu New user It shows the dialog as seen on the right A name can be typed in and by clicking the Add user field a new user is created You can close the window now or adding another user After having created a new user it is advisable to immediately de...

Страница 38: ...ive selection you can create new maps directories The directory selection can be used to select the User base directory The button Import Default SRS imports a copy of the Default SRS in the user base directory It is good practise to start like this and edit in this set up to create your own users file On the right side you see a box where all the rights can be selected per user Below we have made...

Страница 39: ...an select the name of a user and you can delete this user when necessary NOTE All files of this user are still on the system in case you have second thoughts about this deletion You can leave this menu by hitting Close or delete another user 7 5 Snapshots and pre sets The Sirius is a digital mixer allowing you to use pre sets and snapshots of all settings It means you can load complete settings fr...

Страница 40: ...ting will be loaded NOTE This immediately affects the audio According to the permissions of the users it is possible to enter other user directories and get some nice EQ settings from another DJ Save user EQ pre set This options opens the users default directory Here you can save the current EQ setting when the need arises You can also create new directories and if the Authorizations are sufficien...

Страница 41: ...an also create new directories and if the Authorizations are sufficient you can save these settings into other users directories To save a system pre set you can go to the Dynamics Pre sets directory in the installation directory normally C Program Files D R Electronica B V Sirius Digital All pre sets here are visible for all users as system pre sets 7 6 Work environment When powering up the Siriu...

Страница 42: ... all options of the Sirius via this screen In this screen you find all information necessary to use all advanced possibilities of the Sirius NOTE remember that it is not necessary to use this screen for adjusting audio parameters but it easy to have an overall view of all settings However the screen is essential during installation set up of the console 7 7 Service In the SETUP is a menu item call...

Страница 43: ...ules 8 sends Macro module and a CRM module LCD contrast can be adjusted by means of a bar These settings are stored in the snapshots as well The two buttons on the bottom end of the screen can be used to replace a control surface while on the Air Push Deactivate communication and the software shall no longer make use of the Control surfaces Now you can replace one or all Control Surfaces If a unit...

Страница 44: ... menu option Update embedded software shall implement new or present software on all I O units and the MUX unit program files are located in the directory Firmware in the install directory normally located in C Program Files D R Electronica B V Sirius Digital is NOTE This option could cause malfunctioning of the system when applied be careful If the Sirius starts replacing its own software the mix...

Страница 45: ...HD Noise 95dBfs D A Burr Brown 24 bit delta sigma converter Dynamic range typically 106 dB THD Noise 96dBfs MICROPHONE INPUTS Mic INP Bal 2kOhm 128dBr 60dB gain range CMRR Mic input max Gain 50Hz 75dB Phantom is switchable 48volt LINE INPUTS Input sensitivity 20dB to 20dB Line inp bal 10kOhm CMRR Line input max gain 50Hz 50dB LINE OUTPUTS 4dBu 10dBV electronically balanced or transformers optional...

Страница 46: ...nch Clock input 75Ohm TTL DIGITAL OUTPUTS AES EBU AES3 S P DIF Optical toslink active at the same time 16 20 24 bit 32kHz to 96kHz System clock or sample rate conversion to corresponding input clock Output level 2 to 5 volts Output impedance 110 Ohm Clock output 75Ohm TTL CLOCK System clock internally 32kHz 44 1kHz 48kHz 20ppm Frame clock BNC in out 75Ohm TTL Master clock BNC in out 75Ohm TTL 256 ...

Страница 47: ...Specifications Sirius digital Mixer from D R Phone 31 294 418014 email info d r nl Page 47 Super Module 435mm x 270mm Depth 130mm ...

Страница 48: ...stem Two For more info on this and many other broadcast consoles contact your nearest dealer or D R HQ D R Electronica Weesp b v Rijnkade 15B 1382GS Weesp The Netherlands Phone 31 294 418 014 Fax 31 294 416 987 Website http www d r nl Mail to info d r nl D R reserves the right to change these specs at any time due to new product improvements and new components ...

Страница 49: ...he product Sirius series conforms to the following product specifications EMC NEN EN 55103 1 1995 NEN EN 55103 2 1995 NEN EN 55013 1 1994 Supplementary Information The products herewith complies with the requirements of the EMC Directive 89 336 EEC 1989 as amended by the CE Marking Directive 93 68 EEC 1993 D R Electronica Weesp b v Rijnkade 15 B 1382 GS WEESP The Netherlands President of Engineeri...

Страница 50: ...ent using the ground pin in the AC power supply cable Never remove this pin Ground loops should be eliminated only by use of isolation transformers for all inputs and outputs Replace any blown fuse with the same type and rating only after equipment has been disconnected from AC power If problem persists return equipment to a qualified service technician PLEASE READ THE FOLLOWING INFORMATION Especi...

Страница 51: ...kill How does resistance affect the shock a person feels A typical resistance between one hand to the other in dry condition could well over 100 000 Ohm Always earth all your equipment by the grounding pin in your main plug Proper wiring and isolation input output transformers should only cure hum loops Replace fuses always with the same type and rating after the equipment has been turned off and ...

Страница 52: ...o contact us We wish you many years of enjoyable mixing Best regards Duco de Rijk President Jan Betten Chief designer Anton Prins Software engineer Peter Wilcke Mechanical Lay out engineer D R Electronica Weesp b v Rijnkade 15B 1382 GS WEESP The Netherlands Phone 31 294 418 014 FAX 31 294 416 987 Website http www d r nl E mail info d r nl We hope you find this manual useful and easy to understand ...

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