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DigiDesign SYNC HD, Manual

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Chapter 3: SYNC HD Hardware and Software

23

chapter 3

SYNC HD Hardware and Software

SYNC HD Front Panel

Controls and Displays

All SYNC HD local controls are on its front 
panel. For information on back panel connec-
tors and setup, see Chapter 2, “Installation and 
Configuration.”

AC Mains Power Switch

When the SYNC HD power switch is pressed in, 
power is 

on

; when the switch is out, power is 

off

.

The LED ring around the power switch is orange 
while the SYNC HD is powering up, or while 
firmware is being updated. The LED ring is green 
when the SYNC HD is ready for use. 

Clock Reference Switch and LEDs

This switch selects the SYNC HD clock refer-
ence, as indicated by the Clock Reference LEDs. 
Available clock reference inputs include:

• Video Ref SD/HD (Green = SD, Yellow = HD)

• Video In

• LTC

• Word/AES (Green = Word, Yellow = AES)

• Pilot

• Bi-phase/Tach

• Internal/VSO

• Loop Sync

Loop Master Indicator

When lit, this LED indicates that the SYNC HD 
is the current Pro Tools Loop Master device. 

Figure 1.  SYNC HD front panel

Power

Sample Rate

Clock Reference 

Switch

Clock Reference 

Loop

LEDs

Master

LEDs

Generator/Parameter

Controls

Time Code

Display

Switch

Positional Reference

LEDs

Positional 

Drop Frame

Frame Rate

Switch

Reference

LED

LEDs

Frame 
Rate

Status LEDs

Summary of Contents for SYNC HD

Page 1: ...SYNC HD Firmware Version 2 1 1 ...

Page 2: ...cations Safety Regulation Information Compliance Statement The model SYNC HD complies with the following standards regulating interference and EMC FCC Part 15 Class A EN55103 1 environment E4 EN55103 2 environment E4 AS NZS 3548 Class A CISPR 22 Class A Radio and Television Interference This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part...

Page 3: ... blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point whe...

Page 4: ......

Page 5: ...uring the Device ID 13 Configuring the SYNC HD from Pro Tools HD 14 MachineControl Configuration 21 Software Configuration for the SYNC Setup Software Utility 21 Troubleshooting 22 Chapter 3 SYNC HD Hardware and Software 23 SYNC HD Front Panel 23 SYNC HD Back Panel 26 SYNC Setup Software Utility 28 Chapter 4 Using SYNC HD 33 SYNC HD Controls in Pro Tools SYNC Setup Software Utility and the SYNC HD...

Page 6: ...nal Synchronization Information 69 Video and VITC Signals 69 LTC Signals 70 Auto Switch LTC VITC 70 Digital Clock Signal Types 71 Bi Phase Tach 72 Pilot Tone 73 Appendix B Technical Specifications 75 Appendix C Wiring Diagrams and Pin Assignments 83 LTC Connectors 83 Bi Phase GPI Pilot Pin Diagram 84 Bi phase Tach OptoCoupler Input 85 GPI Relay Outputs 86 GPI TTL MTC Outputs 87 GPI opto Inputs 88 ...

Page 7: ...om within Pro Tools SYNC HD in Standalone Mode The SYNC HD can be used as a standalone syn chronization converter time code generator clock generator and time code character genera tor Throughout this guide the term standalone refers to systems using the SYNC HD but not us ing Pro Tools When used as a standalone device known as Standalone mode the SYNC HD is connected to time code or clock signals...

Page 8: ...legacy software support Front panel controls and a large LED dis play of time code and parameters Integrated control of the SYNC HD from Pro Tools Time Code Character Generator Fader start provided through GPI output for remote transport control from select Pro Tools fader movement SYNC Setup software utility Windows only Field updatable firmware Available Controls in Standalone Mode If you are us...

Page 9: ...rom the DigiSerial port on Pro Tools cards A non standard 8 pin to 9 pin cable is re quired to connect the SYNC HD to a COM port or serial port on a Windows computer Wiring instructions for making the required cable are in Appendix C Wiring Diagrams and Pin Assign ments Digidesign Registration Review the enclosed Digidesign Registration In formation Card and follow the instructions on it to quickl...

Page 10: ...onventions Used in This Guide Digidesign guides use the following conven tions to indicate menu choices and key com mands The following symbols are used to highlight im portant information For versions of Pro Tools lower than 7 3 the SYNC HD can be set to emulate a SYNC I O See the Digidesign website www digidesign com for a version of the SYNC I O Guide that applies to your system Convention Acti...

Page 11: ...d the latest system requirements search the online Answerbase or join the world wide Pro Tools community on the Digidesign User Conference Training and Education Become a certified Pro Tools Operator or Expert study on your own using courses available online or find out how you can learn in a classroom setting at a certified Pro Tools Training Center Products and Developers Learn about Digidesign ...

Page 12: ...SYNC HD Guide 6 ...

Page 13: ...C Power The SYNC HD AC connector accepts a standard AC Power Cable The SYNC HD is auto power selecting 100V to 240V and will automatically work with a standard modular cable to connect to AC power receptacles in any country Serial Connections Serial to Pro Tools Core Card Pro Tools systems require a serial connection be tween the SYNC HD and an HD Core or Accel Core card To connect the SYNC HD to ...

Page 14: ...nnect multiple Pro Tools HD inter faces To connect the SYNC HD to Pro Tools HD interfaces 1 Using a BNC cable connect the Loop Sync Out of the SYNC HD to the Loop Sync In of your primary Pro Tools HD audio interface 2 Using a second BNC cable connect the SYNC HD Loop Sync In to the Loop Sync Out of your Pro Tools HD interface When using more than one Pro Tools HD audio interface make the SYNC HD t...

Page 15: ...for more information To connect an external deck to SYNC HD Connect a standard 9 pin cable from one of the 9 pin Out ports on the SYNC HD to the 9 pin connector of the external deck As many as two decks can be connected to the two 9 pin Out ports on the SYNC HD You can control one deck at a time and switch between them from within Pro Tools These ports on the SYNC HD support all MachineControl mod...

Page 16: ... In port To use the SYNC HD Time Code Character Generator to make a window burn SD signal 1 Connect an SD video signal to the SYNC HD Video Ref In port 2 Connect the SYNC HD Video Ref Out port to the Video In port 3 Connect the SYNC HD Video Out port to other video devices ensuring that the signal is terminated by the last device in the chain Connecting LTC The SYNC HD provides LTC input and outpu...

Page 17: ...ck Word Clock contains no positional informa tion If you want devices to play or record in sync you ll still need to provide them with a po sitional reference Connecting AES EBU Devices To input AES EBU clock reference to the SYNC HD Connect the device s AES EBU output to the SYNC HD AES EBU input To supply AES EBU clock reference from the SYNC HD Connect the SYNC HD AES EBU output to the AES EBU ...

Page 18: ...ver the SYNC HD is generating time code This output can be muted when time code LTC is idle See MTC Output and Idle Muting on page 56 for details Software Installation The following sections provide instructions to install software required to use the SYNC HD with Pro Tools HD or with the stand alone SYNC Setup software Windows only Pro Tools HD All software required to use SYNC HD options is inst...

Page 19: ...n website www digidesign com To install the SYNC Setup software utility on Windows 1 Make sure the SYNC HD is connected to a se rial or COM port on your computer See Serial Connections for the SYNC Setup Software Util ity on page 8 2 Insert the installer disc containing the latest SYNC Setup software or navigate to its location if you downloaded an update 3 Launch the installer and follow the on s...

Page 20: ...o Tools is launched When Pro Tools recognizes the SYNC HD it automatically con figures the Device and Port settings for the SYNC HD in the Peripherals dialog To check SYNC HD and Pro Tools communication 1 After installing Pro Tools and connecting the SYNC HD as described launch Pro Tools 2 Choose Setup Peripherals and click the Syn chronization tab 3 Under Digidesign Synchronization Device se lect...

Page 21: ...g the SYNC HD simply by selecting that de vice and source from the Clock Source menu Clock Reference The selected Clock Source device determines your choices for clock reference When Clock Source is the SYNC HD When the SYNC HD is set to be the Clock Source it is the Loop Master Clock Positional Reference and Video Format selectors become active in the SYNC Setup section of the Session Setup windo...

Page 22: ...Clock Source Select a different Loop Sync device and Clock Source from the Clock Source pop up menu in the Session Setup window When Clock Source is an HD I O When a 192 I O 192 Digital I O or 96 I O is pro viding the Clock Source it will be the Loop Mas ter Clock Source options are available directly from the Clock Source menu based on the con figuration of that interface in the Hardware Setup di...

Page 23: ...expected rate Unlit SYNC HD is not locked to the chosen clock reference Positional Reference To select a positional reference 1 Select a positional reference from the Posi tional Reference pop up menu located in the SYNC Setup controls When the Positional Reference choices include Auto LTC VITC LTC VITC Bi Phase Sample Rate The SYNC HD sample rate is determined by the current Pro Tools session sam...

Page 24: ...e Code Rate selec tor in the Session Setup window In Standalone mode the SYNC HD Time Code Rate can be set using the SYNC Setup software utility Windows only or from the front panel Video Ref Format SD Video Reference Choose PAL or NTSC format for the session from the Video Ref Format pop up menu in the Ses sion Setup window If the session already has video the format will be set automatically Cho...

Page 25: ...dy has video the format will be set automatically The following video reference rates are available in the Video Ref Format pop up menu Slow PAL 23 976 Slow PAL 24 720p 23 976 720p 24 720p 25 720p 29 97 720p 30 720p 50 720p 59 94 720p 60 1080i 47 95 1080i 48 1080i 50 1080i 59 94 1080i 60 1080p 23 976 1080p 24 1080p 25 1080p 29 97 1080p 30 1080p 50 1080p 59 94 1080p 60 Choosing an HD Video Format ...

Page 26: ...porting Avid Video When you import Avid video media into a ses sion Pro Tools automatically sets the Clock Ref erence HD or SD Video Reference rate and Video In format appropriate for the imported media Video Reference HD Rate Video In Format Slow PAL 23 976 NTSC Slow PAL 24 PAL 720p 23 976 NTSC 720p 24 PAL NTSC available 720p 25 PAL 720p 29 97 NTSC 720p 30 NTSC 720p 50 PAL 720p 59 94 NTSC 720p 60...

Page 27: ...e Pro Tools transport Choices include Pro Tools and any other devices or modes you have en abled in the Synchronization or Machine Con trol tabs of the Peripherals dialog Software Configuration for the SYNC Setup Software Utility Windows Only To configure the SYNC Setup software on Windows 1 Make sure the SYNC HD is connected to your computer according to the instructions in Se rial Connections on...

Page 28: ... and other connections Lost Communication Dialog The Lost Communication dialog provides the following options for re establishing synchroni zation when communication with the SYNC HD stops Use MTC Click this button if the SYNC HD is unavailable to switch to any currently con nected MIDI interface for MTC synchronization This option requires a compatible device that supports MTC conversion and that...

Page 29: ...ing is green when the SYNC HD is ready for use Clock Reference Switch and LEDs This switch selects the SYNC HD clock refer ence as indicated by the Clock Reference LEDs Available clock reference inputs include Video Ref SD HD Green SD Yellow HD Video In LTC Word AES Green Word Yellow AES Pilot Bi phase Tach Internal VSO Loop Sync Loop Master Indicator When lit this LED indicates that the SYNC HD i...

Page 30: ...en field distinction is indicated using a decimal point to the right of the frames display A lit decimal point to the right of frames indicates an even numbered field no decimal point indicates an odd num bered field When the SYNC HD is in Auto Switch LTC VITC mode the decimal point to the right of minutes illuminates The SYNC HD Time Code Display always dis plays actual incoming time code regardl...

Page 31: ...lation to clock references Indica tors include Locked This LED lights solid green when the SYNC HD is locked to the selected clock refer ence The Locked LED flashes yellow if the se lected clock reference source is missing or out of lockable frequency range Speed Cal Speed Calibration This LED lights to indicate the status of the clock reference Yellow Solid SYNC HD is locked and that the clock re...

Page 32: ... Out A parallel unbuffered connection output for any video source connected to the Video Reference In port This port allows black burst or other video reference to be passed to an other device and continues to output whatever signal is present at the Video Reference In port whether the SYNC HD is on or off Host Serial Port The Host Serial port is a bidirectional in out port to connect the SYNC HD ...

Page 33: ...ut constantly whenever the SYNC HD is generating time code This output can be muted when time code LTC is idle See MTC Output and Idle Muting on page 56 for details LTC In Out LTC In Receives a Linear Time Code LTC source balanced or unbalanced analog for posi tional and or clock reference This port is often used to receive LTC from an audio track on an external deck or the address track of a VTR ...

Page 34: ...rts on the Windows computer For best performance on Mac systems use a Key span USA28XG USB serial adapter Loop Sync In Out Loop Sync is the clock signal used to synchro nize Pro Tools HD interfaces Loop Sync In Receives Loop Sync from any Pro Tools HD interface Loop Sync Out Provides Loop Sync This port connects to the primary Pro Tools HD interface AC Power The SYNC HD accepts a standard power ca...

Page 35: ... Frame Rate This control selects the frames per second fps rate of external or internally generated time code Status Display This display shows the current state of the SYNC Setup software utility in relation to the SYNC HD and external devices as follows Resolver Locked Lights when the SYNC HD is locked to the chosen external clock reference or to its Internal clock reference Speed Calibration Li...

Page 36: ...lly this should be left at the default and preferred setting of 14 16 VITC Insertion Enabled When selected VITC will be inserted into the outgoing video signal assuming that a video signal is present at a SYNC HD video input and that the SYNC HD is in a valid mode for insert ing VITC The only invalid positional reference modes are VITC or Auto Switch LTC VITC The SYNC HD can t read VITC and genera...

Page 37: ... rectly by clicking in the Hrs Min Sec Frm fields and typing in a value The Tab key will cycle though the fields Bi Phase Tach Mode Zeros the time code counter to allow the SYNC HD to generate time code in relation to the pulses of the incoming Bi Phase Tach information Establishes a time code start point first frame of a reel for exam ple Variable Speed Override VSO Used to varispeed the rate of ...

Page 38: ...SYNC HD Guide 32 ...

Page 39: ...rted Windows computer For a listing of SYNC HD parameters supported in each method see SYNC HD Controls in Pro Tools SYNC Setup Software Utility and the SYNC HD Front Panel on page 34 About SYNC Setup Software Utility Remote Only Mode When the default Remote Only Mode Front Panel Lockout is enabled in the SYNC Setup software utility Preferences window none of the SYNC HD front panel switches are o...

Page 40: ...ck Out Frame Rates all Session Setup all all LTC Output level yes Peripherals Sync yes yes LTC Servo gain yes Session Setup yes no Freewheel duration yes Session Setup yes yes Video Format NTSC PAL yes Session Setup yes yes VITC Read Lines yes Peripherals Sync yes yes VITC Generate Lines yes Peripherals Sync yes yes VITC Insertion Enable yes Peripherals Sync yes yes Pitch Memory Enable yes Periphe...

Page 41: ...arameter values When a parameter value is visible Press Set once to set the value for that parameter and return the Display to time code Down and Up These switches scroll through parameter names or values When a parameter name is visible Press the Down and Up switches to scroll through the pa rameter names for example from SET GEn to VIdEo SY When a parameter value is visible Press the Down and Up...

Page 42: ...frame rate or setting the SYNC HD sample rate see Chapter 2 Installation and Configura tion Video Clock Options The SYNC HD provides two video inputs Video Ref In and Video In which are each selectable for clock reference See Video and Clock Refer ence on page 37 For House Video Reference Black Burst Usethe Video Ref In connector For Incoming Video Use the Video In connector Serial Time Code with ...

Page 43: ...me code reference for the generator is always from the Video Ref In connector However if you select a positional reference other than Gen erate then the signal at the Video In connector can be used Digital Clock To resolve the SYNC HD to external AES EBU or Word Clock From Pro Tools In the SYNC Setup section of the Session Setup window select the appropriate digital clock reference from the Clock ...

Page 44: ...ith SYNC HD and Pro Tools HD your master HD audio inter face 192 I O 192 Digital I O 96 I O or 96i I O should supply Slave Clock to the first legacy de vice through its External Clock Out connector configured for 256x Slave Clock see Base Clock on page 60 for more information Pro Tools HD audio interfaces are always con nected using Loop Sync see Clock for Pro Tools Audio Interfaces on page 8 for ...

Page 45: ...e the SYNC HD to Linear Time Code using the SYNC Setup software utility Windows only Select Linear Time Code LTC from the SYNC Setup Clock Ref pop up menu Adjusting LTC Output Level To adjust LTC output level from Pro Tools 1 Choose Setup Peripherals and click Synchro nization 2 Choose a value from the LTC Output Level pop up menu 3 Click OK To adjust LTC output level from the front panel 1 Press ...

Page 46: ...ck Reference switch to select PILOT From the SYNC Setup software utility Windows only Select Pilot Tone from the SYNC Setup Clock Ref pop up menu Bi Phase Tach and Clock Reference The SYNC HD is able to resolve to Bi Phase Tach information for use as a clock reference Bi Phase Tach can synchronize positional refer ence but you must provide a reference start ad dress see Bi Phase Position Trimming ...

Page 47: ...U digital clock out puts are simultaneously driven from the in ternal crystal reference and If the Positional Reference is set to Gener ate generated LTC MTC VITC and Win dow Dub outputs are resolved to the same internal crystal reference To resolve the SYNC HD to its internal clock From Pro Tools In the SYNC Setup section of the Pro Tools Session Setup window select Internal VSO from the Clock Re...

Page 48: ...D internal clock from the SYNC Setup software utility Windows only 1 In the Setup Variable Speed Override section select VSO Enabled 2 Use the sliders to adjust the varispeed values in semitone or cent increments The actual out put word clock frequency is shown near the slid ers or Enter the value in semitones and cents using the editable fields Varispeed range changes with sample rate as shown in...

Page 49: ... is powered off and on again until you change it Positional Reference and Options The following sections provide additional infor mation for each available Positional Reference format Linear Time Code LTC LTC is often striped onto an ATR or VTR audio track Professional VTRs typically have an ad dress or cue track intended for LTC If you are working with a standard audio tape you ll al most certain...

Page 50: ...e Freewheel Duration menu VITC and Positional Reference VITC is a commonly used positional reference in professional audio post production Since VITC is time code information that is embedded as part of the video signal VITC can be read when the VTR is paused or crawling slowly When working with Pro Tools this means that VITC can be used for Auto Spotting regions to partic ular video frames VITC i...

Page 51: ...Clock Reference rather than Video In when working with VITC because a black burst signal at the Video Ref input will always be there un like the video signal at Video In which may dis appear if the videotape disengages Auto Switch LTC VITC Positional Reference In Auto Switch mode the SYNC HD switches automatically between LTC and VITC depend ing upon which is delivering the best time code signal T...

Page 52: ...gured from the Peripherals dialog For de tails on using serial time code with the SYNC HD see the MachineControl Guide Bi Phase Tach Positional Reference Bi Phase Tach signals are clock reference sig nals and do not contain positional information of their own However they do contain enough information for the SYNC HD to calculate posi tional information To calculate positional reference from Bi Ph...

Page 53: ...aneously 5 Repeat until you have finished setting the SYNC HD to the desired generator start time 6 Press Set The LED Time Code Display stops flashing and displays the start time To set the Bi Phase Tach start frame using the SYNC Setup software utility Windows only 1 In the Generator Bi Phase Preset section type in the time code value of the starting frame in hours minutes seconds frames 2 Click ...

Page 54: ...atch the PPF rate of the external device s Bi Phase Tach encoder To set the pulses per frame value for a Bi Phase Tach signal from Pro Tools 1 Choose Setup Peripherals and click Syn choronization 2 In the Bi Phase Tach Pulses Frame field enter a value from 2 to 254 3 Click OK To set the pulses per frame value for a Bi Phase Tach signal using the front panel 1 Press Set and use the Up or Down switc...

Page 55: ... External Time Code Offsets settings that are applied in Pro Tools To apply an offset to the external time code settings In the Session Setup window in the External Time Code Offsets section enter a time in an offset field To apply the same external time code to all devices In the Session Setup window select Link to apply the same offset value to all devices Generating Regenerating Time Code The S...

Page 56: ... code addresses If the positional reference is a Bi Phase Tach sig nal the SYNC HD will generate time code ad dresses starting at the Bi Phase preset start time See Bi Phase Tach Starting Frame on page 47 for more information Generator Preset Mode In this mode the SYNC HD generates time code internally from a start time based upon the Gen erator Preset Time Using either the SYNC Setup software uti...

Page 57: ...e removed when not in Generator Preset mode Generator Start Time To set the generator start frame From Pro Tools Configure the Session Setup window as appro priate for your system and the current project Refer to the Pro Tools Reference Guide for specific instructions From the front panel 1 Press Set and use the Up or Down switches to display Set Gen SE7 6En 2 Press Set One of the time code fields...

Page 58: ...te LTC using either an external or inter nal clock reference Make sure LTC is correctly routed and that all your other gear is properly configured before you begin If necessary adjust the input level for the destination device To generate LTC using Pro Tools 1 In the Time Code Settings section of the Ses sion Setup window select Using SYNC under Generator 2 Put Pro Tools online 3 Start Pro Tools r...

Page 59: ... of the SYNC HD video input connectors according to the VITC Video Source rule The SYNC HD Video Out signal is connected to the destination device The SYNC HD is then able to stripe the second VTR s videotape with VITC At the same time you might also want to insert a window burn See Window Dub Dis play Options on page 58 To prevent destruction of the original VITC code the SYNC HD will not re appl...

Page 60: ...rences The SYNC HD will regenerate VITC and insert it onto the video signal as soon as it receives a valid positional reference signal To regenerate VITC based on an external positional reference using the SYNC Setup software utility Windows only 1 Ensure that the SYNC HD is connected in line with a video source and video destination 2 Ensure that VITC Insertion Enabled is checked in the SYNC Setu...

Page 61: ...to toggle VITC Insertion On and Off 4 When On is selected press Set 5 Press Set and use the Up or Down switches to display VITC Generate Lines 6En LInE 6 Press Set The default line pair is 14 16 which is also the SMPTE recommended setting 7 Use the Down and Up switches to scroll through the parameter values and select a VITC line pair 8 Press Set 9 Using the Positional Reference switch select Gene...

Page 62: ... a console se quencer synthesizer or sampler keyboard a drum machine or other device MTC Output and Idle Muting MTC is normally output whenever LTC is out put Whenever LTC output stops the SYNC HD will continue to output MTC in bursts of one frame every 200 milliseconds This allows any connected MIDI reading device to be continu ously updated as to the position of VITC or Bi Phase either of which ...

Page 63: ...etup Peripherals and click Synchro nization 2 Select Enable SYNC Peripheral to make the Window Dub controls available 3 Select Enable Dub Window 4 Configure any of the following Window dub appearance settings from the corresponding pop up menu Vertical Position Horizontal Po sition Size and Color Vertical Position Sets the vertical position of the window dub relative to the bottom of the video pic...

Page 64: ...y video signal passing through the SYNC HD Window Dub Display Options If you need to change the appearance of the window dub in terms of size vertical position horizontal position and color you need to use Pro Tools or SYNC Setup software utility Win dows only These parameters cannot be ad justed from the SYNC HD front panel controls To insert a time code window into a video signal using SYNC Setu...

Page 65: ...d below The 7 segment LEDs in the Generator Parameter Display abbreviate some parameter names using numerals to represent letters such as 5 to rep resent S or s The following table identifies each of these abbreviations SYNC HD front panel display of parameter names LED Parameter SE7 6En Set Generator Start Time dI6 rEF Digital Reference SPL FrEC Sample Freq Rate PuLL r7E 1 Pull Up Down 0 1 PuLL r...

Page 66: ...ces are Session 1x the base session sample rate or 256x for Slave Clock devices VITC Insertion When selected VITC will be inserted onto the outgoing video signal assuming that a video signal is present at one of the SYNC HD video inputs and that the SYNC HD is in a valid mode for inserting VITC To configure the SYNC HD to insert VITC using the front panel 1 Select VITC Insertion VI7C InS using the...

Page 67: ...have chosen your desired option press Set The SYNC HD will retain the setting even when the unit is powered off and on again until it is changed Window Dub Burn By enabling this setting you can superimpose a window dub onto an incoming video signal The front panel lets you enable window dub but does not let you adjust any window options To enable or disable the SYNC HD window dub from the front pa...

Page 68: ...ain 1 Select Servo Gain SErVo Gn using the Set Down and Up switches 2 Press Set again The LED Time Code Display shows the current setting 001 is the default 3 Use the Down and Up switches to display an other parameter value Servo gain provides four gain settings 4 Press Set Pitch Memory Hold Pitch Memory is useful when resolving the SYNC HD to off speed free running LTC When Pitch Memory is enable...

Page 69: ...Input Signal In addition to other Bi Phase Tach parameters the Input Signal defines the direction of the Bi Phase Tach signal For complete instructions see Bi Phase Tach Signal on page 47 Video Format System Selects the format NTSC or PAL for both the in coming and outgoing video signals NTSC The standard for North and South Amer ica Japan and certain other parts of the world PAL Used in most of E...

Page 70: ...d Idle Muting on page 56 Device ID Toggles the device ID of the SYNC HD between SYNC HD for use with Pro Tools 7 4 or higher and SYNC I O for use with Pro Tools 7 3 or lower See Configuring the Device ID on page 13 Using Fader Start The SYNC HD provides six GPI outputs in total two TTL level and four relays Together this combination of outputs makes it possible for the SYNC HD to provide Fader Sta...

Page 71: ... SYNC HD provides a feature for calibrating the frequency of the on board crystal oscillator This allows the SYNC HD to be used as an ex tremely accurate frequency reference while in Internal VSO mode With normal usage the SYNC HD should never require recalibrating Each unit is factory cali brated to within 5 ppm parts per million You may want to recalibrate the SYNC HD in the following situations...

Page 72: ... the current parameter value which shows a sample rate frequency deviation from 0999 to 0999 4 Take note of the Oscillator Calibration value printed on the factory sticker on the SYNC HD bottom panel 5 Use the Down and Up switches to scroll through the parameter values 6 When you reach a value that matches the sticker s value stop scrolling and press Set The LED Time Code Display will return to sh...

Page 73: ...ef input You will then connect the VCR s video output to the SYNC HD Video In port Finally the SYNC HD Video Out will be fed to your picture monitor and or another VCR Using Video Inputs with VITC and the Character Generator Unlike selecting a video input to use for Clock Reference input selection for VITC and charac ter generator functions follows a simple rule This rule is explained in the follo...

Page 74: ...th internally generated time addresses for VITC and or LTC and or CG dub window In Figure 1 on page 68 this sce nario is identical to Route A Video In For all other combinations of Clock Ref erence and Positional Reference VITC and char acter generator functions are applied to the video signal arriving at the Video In connector In this way the SYNC HD can read VITC from your videotape or add VITC ...

Page 75: ...computer based ed iting systems Simple Setups In a modest setting with one or two VTRs Pro Tools and a SYNC HD using the video signal as the clock reference is often satis factory In these situations proper synchroniza tion can be achieved using the video signal as clock reference Why VITC is Unavailable for Clock Reference VITC itself does not provide clock information directly as part of its tim...

Page 76: ...SYNC HD front panel con trols and from the Pro Tools Session Setup win dow See Servo Gain on page 62 for more in formation Working with Analog Machines It is good practice on a 24 track analog tape ma chine to record time code on Track 24 at a refer ence level of 10 dBu or lower with Track 23 left blank as a guard track This practice avoids crosstalk bleed that can occur between the time code trac...

Page 77: ...o resolve to AES EBU and Word Clock AES EBU Some professional digital audio products use AES EBU null clock which is an AES EBU data stream that contains only clock information only and no audio information as a system clock reference source These systems rely upon a single AES EBU master clock source that is dis tributed throughout a digital audio facility in much the same way that house synchron...

Page 78: ...rnal device s Bi Phase Tach encoder from Pro Tools or using the SYNC Setup software utility s Pulse Per Frame setting Windows only Strictly speaking Bi Phase Tach signals are clock reference signals and do not contain positional information of their own However they do contain enough information for the SYNC HD to calculate positional information Bi Phase Tach signals use two square waves to gener...

Page 79: ... to es tablish a common synchronization reference be tween a film or video camera with a portable 1 4 inch analog ATR such as those made by Na gra or Stellavox On location Pilot Tone is de rived by clock referencing the camera to the lo cal AC line frequency which is 60 Hz or 50 Hz depending on the country of origin and this same frequency is then used to clock reference the ATR The result is that...

Page 80: ...SYNC HD Guide 74 ...

Page 81: ...76400 192000 4 1667 and 0 1 45983 50050 91967 100100 n a n a 4 1667 45938 50000 91875 100000 n a n a 4 1667 and 0 1 45892 49950 91783 99900 n a n a 0 1 44144 48048 88288 96096 176576 192192 0 1 44056 47952 88112 95904 176224 191808 4 0 and 0 1 42378 46126 84757 92252 n a n a 4 0 42336 46080 84672 92160 n a n a 4 0 and 0 1 42294 46034 84587 92068 n a n a ...

Page 82: ... cents 58 25 Aging 2 ppm year typical Burn in Window Position 5 horizontal and vertical positions Size Large and small text Color Black or white text on white or black background or keyed Dimensions Height 1RU 1 75 4 45 cm Width 19 0 48 26 cm Depth 10 5 26 67 cm Weight 5 0 lbs 2 27 kg Vibration Resistance 5 mm displacement 10 to 55 Hz each axis ...

Page 83: ...grees F 40 to 80 degrees C Relative Humidity 0 to 95 non condensing Power Requirements Voltage 85 to 264 VAC Frequency 47 to 63 Hz autoswitching Wattage 9 5 W typical 30 W maximum Connector 3 pin AC and ground IEC 950 320 3 2 4 Agency Compliance Meets FCC Part 15 Class A limits CD EN 55022A CE EN 60950 CE EN 55081 1 UL 1419 and CSA 22 2 General ...

Page 84: ...mpedance 200K ohms LTC Out Format SMPTE EBU 80 bit longitudinal drop frame non drop frame Connector 3 pin XLR male per IEC 268 12 Speed Range 10 of play speed Level 24 dBu thru 9 dBu RMS differential pin 2 hot Level Default 0 dBu RMS 1 52V p p 10mV Output Impedance 5K ohms Load Impedance mini mum 100 ohms Rise Fall Time 42us 1us measured between 10 and 90 p p S N Ratio 60 dB RMS at 0 dBu level Vid...

Page 85: ... non drop frame Line Range Two lines 10 to 20 Video Ref In Format NTSC or PAL composite video Level 1V p p Termination 100K ohms Video Ref Out Level 1V p p Termination 100K ohms Description Passive loop thru of Video Ref in AES EBU In Level 5 V p p at 110 ohms pin 2 hot Connector 3 pin XLR female per IEC 268 12 AES EBU Out Level 5 V p p at 110 ohms pin 2 hot Connector 3 pin XLR male per IEC 268 12...

Page 86: ...Female Loop Sync Out Level TTL 3 3 V typical Connector BNC Female Bi phase Tach GPI Pilot Connector 25 pin D subminiature female DB25 Bi phase Tach In Frequency Range 0 to 76 8 KHz Level 4 5 to 12V opto isolated Current 10 mA max Polarity bi phase Both inputs are software programmable Polarity tach Direction polarity is software programmable Modulo Range 2 thru 254 Rear Panel Connectors Connector ...

Page 87: ...y Frame rate max Latency Half frame max GPI Out TTL Description Two TTL level outputs Level TTL 3 3 V typical Current 15 mA Frequency Frame rate max Latency Half frame max GPI Relay Description Four pairs of SPST contacts normally open Load while switching 5 A max at 200 VDC Load continuous 1 5 A max at 200 VDC Operate Release Time 1 ms Repetition Rate Frame rate max Latency Half frame max Rear Pa...

Page 88: ...rent loop Rate 31 25 Kilobaud Connector 5 pin DIN female Cable Length 50 feet 15 meters max Host Serial Format Apple Mac compatible serial printer port Connector 8 pin mini DIN female Cable Length 50 feet 15 meters max Rear Panel Connectors Connector Specifications ...

Page 89: ...are connecting a balanced signal to the SYNC HD LTC In or LTC Out connectors Pin 1 and ground should be connected at the input only not at the output This will pre vent ground loops between the shield and the Pin 1 conductor If you are connecting an unbalanced signal to the SYNC HD LTC In or LTC Out connectors Connect only Pin 2 to the signal Connect Pin 1 to ground at all inputs and out puts Wiri...

Page 90: ...8 PILOT_IN XREF 9 RET0 XREF 9 GPIN0 XREF 9 RET1 XREF 9 GPIN1 XREF 9 RET2 XREF 9 GPIN2 XREF 9 RET3 XREF 9 GPIN3 XREF 9 GPOUT1 XREF 9 GPOUT0 XREF 9 GPOUT0_A XREF 8 PILOT_IN J3 27 26 1 14 25 24 23 22 21 20 19 18 17 16 15 13 12 11 10 9 8 7 6 5 4 3 2 C4 C3 FB33 1 2 3 V REG 78L12ACM 12V 0 1A S0 8 SOL8 480508807 00 VOUT GND3 GND4 VIN GND1 GND2 5 4 NC NC VCC_P15V GND 5V DB25F_RA 0 1UF 1 0UF GND_C GND_C DS...

Page 91: ...se Tach XREF 13 BIPHB XREF 13 BIPHA XREF 9 BIPHA_I XREF 9 BIPHB_I U5 3 2 5 7 6 XREF 9 OPTRETURN R79 R77 U6 3 2 5 7 6 R49 C27 C25 R47 R46 5V GND 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC GND 1K 1K 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC 5V 1K 0 1UF 0 1UF 634 634 GND_C ...

Page 92: ..._A XREF 9 GPOUT2_A XREF 9 GPOUT1_E2 XREF 9 GPOUT1_A XREF 9 GPOUT0_A XREF 9 GPOUT0_E2 K1 K2 K3 K4 XREF 9 GPOUT3_B XREF 9 GPOUT2_B XREF 9 GPOUT1_B XREF 9 GPOUT0_B GND GND GND GND RELAY 1 3 7 5 RLY_SIP4_DG1A_BW RELAY 1 3 7 5 RLY_SIP4_DG1A_BW RELAY 1 3 7 5 RLY_SIP4_DG1A_BW RELAY 1 3 7 5 RLY_SIP4_DG1A_BW ...

Page 93: ...6 9 8 7 6 11 12 13 14 15 16 17 18 20 19 1 10 5 4 3 2 C87 C86 R4 R119 R121 C85 XREF 9 GPOUT0 XREF 9 GPOUT1 FB30 1 2 3 FB29 1 2 3 NC NC GND_C GND_C DSS306_55Y271M FILTER_EMI 270101433 L_3P 5V GND_C 221R DIN_5F_PIN 210401223 DIN5 DIN5F_DIN5 GND_C 5V DSS306_55Y271M FILTER_EMI 270101433 L_3P GND GND 74FCT2541_SL 326904606 D0 D1 D2 D3 GND VCC D4 D5 D6 D7 Y6 Y7 Y5 Y4 Y3 Y2 Y1 Y0 OE1 OE2 GND 220PF 220PF G...

Page 94: ...1 XREF 9 GPIN3 R56 R88 R55 R87 R54 R53 R52 U8 3 2 5 7 6 U9 3 2 5 7 6 U10 3 2 5 7 6 U11 3 2 5 7 6 C36 C35 C34 C33 5V 5V GND 5V GND GND GND 1K 1K 5V 1K 1K 392 1K 392 392 392 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC 6N137_DP IC OPTOCOUPLER 320003987 DIP8 EN GND 8 VCC 0 1UF 0 1UF 0 1UF 0 ...

Page 95: ...nection Pin 2 HSKiB 2 RTS_IN Request To Send input to SYNC HD Pin 1 HSKoB 3 RX_OUT Transmitted data output from SYNC HD Pin 5 input RXDB 4 GND Chassis ground Ground 5 TX_IN Received data input to SYNC HD Pin 3 output TXDB 6 GND Chassis ground Pin 8 input RXDB 7 CTS_OUT Clear To Send output from SYNC HD Pin 7 input GPiB 8 NC No connection Pin 6 TXDB Shell GND Chassis ground Ground ...

Page 96: ...3 contact B 11 OPTRETURN Return from Bi phase Tach opto isolators 12 BIPHB_I Input to Bi phase Tach opto isolator B 13 BIPHA_I Input to Bi phase Tach opto isolator A 14 GND Chassis ground 15 PILOT_IN Pilot tone input negative 16 PILOT_IN Pilot tone input positive 17 RET0 Return from GPI opto isolator 0 18 GPIN0 Input to GPI opto isolator 0 19 RET1 Return from GPI opto isolator 1 20 GPIN1 Input to ...

Page 97: ...to the following pin assignment table for the SYNC HD to DigiSerial port cable SYNC Setup Software Utility Cable Windows Only The following table shows the pin assignments needed for a SYNC HD to COM port cable to support the SYNC Setup software utility on a Windows computer SYNC HD to DigiSerial cable Mini DIN 8 pin Male to Mini DIN 8 pin Male 1 2 2 1 3 5 4 4 5 3 6 8 7 7 8 6 SYNC HD to COM cable ...

Page 98: ...SYNC HD provides a total of four Relay level GPI outputs on pins 3 4 3 10 of the DB25 connector see the circuit diagram GPI TTL MTC Outputs The GPI Relay outputs are intended to drive Re lay loads only GPI Triggers GPI output signals information 0 relay Play 1 relay Record Ready 2 relay fader start 1 3 relay fader start 2 4 TTL Stop 5 TTL Record Logical GPI numbers 0 through 3 are associated with ...

Page 99: ... 85 positional reference 46 SYNC Setup software utility 31 black burst house video reference 10 26 36 BNC 38 back panel 26 C character generation see window dub clock reference 15 71 and clock source 15 choosing digital source 37 front panel 23 LEDs 23 list of supported clock sources 2 SYNC Setup software utility 29 Clock Source 15 color for window dub 57 D DASH 38 DAT signals 71 DF drop frame fro...

Page 100: ...H Host Serial 26 house sync 10 I Idle MTC Enabled front panel 56 in SYNC I O Setup 56 internal clock 41 L LED Time Code Display 24 legacy interfaces 9 Locked indicator front panel 25 Pro Tools 17 Loop Master 23 Loop Sync 14 28 Auto ID 14 connecting 8 LTC 10 and clock reference 38 generation regeneration 52 In back panel 27 lockup speed settings 39 Out back panel 27 output level front panel 62 outp...

Page 101: ...neration Mode 49 regenerating time code 49 relays 64 Remote Mode front panel 25 SYNC Setup software utility 33 Remote Only Mode 33 RUN STOP CLEAR 35 S sample rate 17 and pull up down rates 24 front panel sample frequency 60 front panel LED displays 24 SECAM 30 63 serial port 26 serial time code and clock reference 36 using for positional reference 46 Servo Gain 62 Slave Clock see SuperClock Speed ...

Page 102: ...terminating 26 Video Ref format 18 VITC as positional reference 53 connector for positional reference 27 default line pair 54 Generate Lines front panel 61 Generate Lines SYNC Setup software utility 30 Insertion front panel 60 Insertion SYNC Setup software utility 30 monotonic 69 positional reference 44 Read Lines defaults 30 Read Lines front panel 60 Read Lines SYNC Setup software utility 30 rela...

Page 103: ...City CA 94014 3886 USA Tel 650 731 6300 Fax 650 731 6399 TECHNICAL SUPPORT USA Tel 650 731 6100 Fax 650 731 6384 PRODUCT INFORMATION USA Tel 800 333 2137 INTERNATIONAL OFFICES Visit the Digidesign website for contact information www digidesign com ...

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