Brainstorm SR-112 Time Code Distripalizer
Contents
1. reference point is defined differently depending on the system In analog television systems it is the start of the vertical sync In digital television systems it is the start of the video frame In 525 59 95 systems it is the start of line 4 In all other systems it is the start of line 1 NOTE SMPTE time code was developed for analog television operating with rates up to 30 f s With digital television progressive video systems have frame rates up to 50 and 60 f s In these systems counting is done on frame pairs and the video reference point is the start of line 1 of the first frame of the frame pair to which the LTC is associated The individual frames should be identified by their timing relative to the LTC with the first frame aligned with LTC bits O through 39 and the second frame of the pair aligned with LTC bits 40 through 79 Video Phase Display To monitor the sync between time code and video go to the Video Phase page on the LCD display by tapping the UP or DOWN key With synchronous code the display should read 000 0 In the real world however things are different and phase will often be slightly off For example if the address track was misaligned on the VTR your synchronizer may show some slight sub frame offset i e 03 12 So long as you are within a few degrees and that number remains constant you should have no problems Video Phase LED This LED lights up to indicate that2. with the cursor on the upper left position press the Note Menu 01 only appears when the TCG software option has been uP or DOWN key installed since without it Reshape is the only mode available 7 2 CHANGING VALUES 8 2 MENU 02 OUTPUT RISE TIME To edit one of the fields on the current menu press the RIGHT or LEFT key to move the cursor to the desired field Then press the UP or DOWN key to change the value Note that no change will take effect until the ENTER key is pressed When Three different waveforms are available for the time code outputs square exiting a menu without pressing the ENTER key the changes are lost SMPTE and EBU The square wave has a ys rise time SMPTE 25 50 Menu 04 lets you select one of these 3 waveforms This is a global selection for all 12 outputs 7 3 THE CURSOR See 10 4 for more on rise time The cursor position is indicated with a gt character implemented as inverse video flashing on and off 8 3 MENUS 03 05 OUTPUT LEVELS After a value is edited the cursor changes to a solid triangle until the ENTER key is pressed These three different menus 03 04 05 are for adjusting the levels of the 12 outputs If the cursor is moved to another field without pressing the ENTER key first Levels go from full off to 12db 0 to 50 on the LCD With a balanced output the solid triangle stays in front of the edited field to indicate a change
3. PAL 10801 29 97 1080 25 6251 24 1 10801 30 1080 29 97 6251 25 PAL 1080sF 23 976 1080p 30 1080sF 24 1080p 50 720p 50 1080sF 25 1080p 50 295M 720p 59 94 1080sF 29 97 1080p 59 94 1080sF 30 PAL stands for slow PAL Not supported are the low frame rate 720p formats SR 112 User Manual Page 21 APPENDIX B TIME CODE ERROR MESSAGES Fatal errors are the ones considered serious enough to cause a synchronization problem They are reported on the front panel and activate the buzzer fatal and non fatal appear on the report with their corresponding time code address FATAL NON FATAL Drop out DROP OUT Code out of sync Time code interruption of less than 1 If time code slips by more than 2 bits second Level has to fall below the with respect to video V drive input threshold of 3OdB Code Stopped CODESTOP Change in User Bits status Time code interruption of 1 sec minimum Reported if UB flag changes Repeated Frame REPEAT Undefined User Status Same frame address detected twice Reported if the binary group flag bits are consecutively in undefined combinations Discontinuous address DISCONT Undefined Bit Set Any non continuous address either Reported if one of the undefined bits is set ascending or descending 58 SMPTE amp EBU 10 EBU vai Code INVALID Invalid code Reported if the User Bits message changes If the SR 112 detects that time code Video Loss
4. RJA5 plugs 3 3 VIDEO REFERENCE INPUT amp TERMINATION SWITCH Input accepts HD and SD sync see Appendix A for a list of supported formats Switch enables 750 termination Use when if SR 112 is at the end of the chain Connector BNC gt Use a standard 750 BNC cable 3 4 TIME CODE INPUT Accepts any time code format at speeds ranging from 1 30x to 60x playspeed Connector XLR female gt Use a standard audio cable Pin 2 Hot Balanced or unbalanced systems 3 5 TIME CODE OUTPUTS 1 8 Connector 25 pin D Female See Appendix C for wiring diagram gt Use standard Tascam Avid Digidesign analog audio pin out configuration and if needed a readily available DB 25 male to 8 XLR male break out cable from third party companies 3 6 TIME CODE OUTPUTS 9 10 Connector XLR male x2 gt Use standard audio cables Pin 2 Hot Balanced or unbalanced systems 3 7 TIME CODE OUTPUTS 11 12 Connector 1 4 stereo x2 gt Use standard audio cables with a Tip High Ring Lo Sleeve Ground configuration Balanced or unbalanced systems 3 8 SLOT FOR FUTURE OPTION CARDS SR 112 User Manual Page 5 4 Quick Start You should read this manual to familiarize yourself with the SR 112 features The following simple steps are only provided to get you started right away NOTE The SR 112 reshapes and distributes time code With a software upgrade it also repairs and generates time code For instructions on those features
5. VID LOST was encoded in the user bits these UB Any interruption in the video signal changes are not reported Type Change TYPE CHG Code Restarted Change in the time code type or When Time Code reappears after a format Code Stopped message Drop Frame flag change When video reappears after a Video Loss message Change in Color status CHG Shll Frame Color Frame flag change Time Code address is detected consecutively at lest 3 times Drop Frame Error DF ERR Play Speed begins 00 or 01 frame was received Start time where there should have been a 02 General numeric errors are detected such as 32 fr 25 hrs Reset RESET 22 SR 112 User Manual APPENDIX C 25 pin D CONNECTOR WIRING DIAGRAM The diagram below shows the pin out for the 25 pin D Sub connector outputs 1 8 0000000000 6 13 25 12 24 n a Ground Negative Positive Ground Negative Positive Ground Negative Positive Ground Negative Positive Ground Negative Positive Ground Negative Positive Ground Negative Positive Ground Negative Positive L1 LI LI L1 L1 L1 L1 LI Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 SR 112 User Manual Page 23 APPENDIX D LONGITUDINAL BIT ASSIGNMENT SMPTE amp EBU Eac
6. subnet mask and the default gateway When DHCP is on menus 92 93 and 94 become status menus displaying the IP Address Mask and Gateway but not allowing you to change them IF DHCP is off then the IP address mask and gateway need to be entered ci d in menus 92 93 and 94 8 9 MENUS 98 FEATURE KEY Feature Rey BH 12 34 56 Menu 98 lets you enter a unique key to authorize certain features on your SR 112 such as the TCG 8 10 MENU 99 SOFTWARE VERSION amp SERIAL NUMBER This menu is status only and indicates the current firmware version and the unit s serial number IMPORTANT NOTE ON MENU OPERATION Remember to always press the ENTER key to save your settings prior to exiting a menu or to exiting the SET UP mode No change will take place until the ENTER key is pressed SR 112 User Manual Page 11 9 Non Volatile Storage The SR 112 has non volatile memory holding the current settings This includes Mode Beeper Setting Output Rise Time Output Levels Video Phase Threshold and Video Drift Threshold This memory is continuously updated so that when the unit is turned on it is in the same condition as it was when powered down NOTE You should wait approximately 10 seconds after a change was entered before powering down to allow for the flash memory to be updated 10 Reshaping and distributing time code 10 1 TIME CODE DISTRIBUTION Simply multing a time code source can cause serious pro
7. 24 fr sec the frame sequence is 22 23 00 01 etc 29 97 vs Drop Frame In addition there is a format variation called Drop Frame used with 30f s code which is not to be confused with 29 97 29 97 indicates a rate frequency and drop frame indicates a format count When generating 29 97 time code the generator locks to a field rate of 59 94 Hz NTSC color rate and pulls down the frame rate by 1 to 29 97 But the format or frame count remains 30 fr sec Drop Frame was invented to compensate for that color rate of 29 97 Drop Frame code DF leaves certain frame numbers out so that one hour of code time equals one hour of stopwatch time when code is running at 29 97 In practice drop and non drop code can both be generated at a rate of 30 or SR 112 User Manual Page 13 29 97 fr sec For that reason the frame rate and the drop frame status are dis played separately 11 2 VIDEO PHASE For time code to be synchronous with video each word of time code must line up exactly with the video frame it describes This is essential for video editing gt lt 12 35 08 28 gt lt Sync Word Sync Word 64 72 76 0 4 8 12 16 20 24 Q 35 40 4 48 5 56 9 64 68 72 76 0 4 _ o F1L5 VIDEO FIELD 1 F2L5 VIDEO FIELD 2 F1L5 Per SMPTE specifications the first transition of bit O of the codeword must occur at the reference point of the video frame with which it is associated This video
8. BGF setting f User Bits In LLLLLLLELLLLLL The table below shows the different options available and how they appear on the display User Bits In User Bits unavailable Unsp 00 00 00 00 8bit 55 53 45 52 ICIk 23 59 59 29 Rsvd 00 00 00 00 DtTm 00 00 00 00 PgLn 00 00 00 00 00 00 00 00 Binary Group Flag error after too many flag changes User bits are considered unavailable if the input time code is not in forward playspeed mode Page 20 SR 112 User Manual The first 4 characters in each line are derived from the Binary Group Flag bits in the time code stream The following text from SMPTE 12M 1 2008 has the SR 112 encoding added in Binary group flag assignments Time address BGF 2 0 SR 112 reference Binary group Other Doc 000 Unsp Unspecified Unspecified 001 Unspecified 8 bit codes ISO IEC 646 or ISO IEC 2022 Clk Clock time Unspecified O 1 1 Reserved Reserved 100 DtIm Unspecified Date and time zone SMPTE 309M 1 0 1 Pgln Unspecified Page line SMPTE 262M 110 DiTm Clocktime Date and time zone SMPTE 309M 1 1 1 Pgln Clocktime Page line SMPTE 262M When the User Bits are not used the display will show this 14 Appendix APPENDIX A VIDEO INPUT FORMATS The following table lists all the video formats recognized by the SR 112 as reference i 1080p 23 976 525i 1080i 25 295M 1080p 24 625i 23 976
9. ME CODE 11 e Owner s Manual amp Registration card Time Code Distribution 11 Reshaping Distorted Time Code 11 2 2 INSTALLING THE SR 112 Time Code Level 11 Selecting The Proper Rise Time 11 is designed to be mounted in a standard 19 rack It requires 1U in 11 TIME CODE ANALYZER 12 i ond Formatend 12 Usual precautions should be respected when wiring the SR 112 use high quality cables Video Phase 12 with good shield to guarantee a good signal transmission Keep your cables as short Time Code Errors 14 as possible Time Code Report 15 To preserve the integrity of the transmission line it is recommended that you do not il APP 16 mult a single output to multiple devices as it can degrade signal quality 12 ne X M 16 The video reference needs to be properly terminated If the SR 112 is the last device Ethernet IP Settings 16 in the chain turn on the 750 termination switch on the rear panel If you are looping SR 112 Web Page 16 through using a T connec
10. SR 112 Time Code Distripalyzer Owner s manual Version 2 00 104 June 2013 materials herein Brainstorm Electronics Inc Brainstorm Electronics reserves the right to change or modify the contents of this manual at any time Credits Concept AID Brainstorm Electronics Software Gerry Lester Manual Bernard Frings Gerry Lester Technical Assistance Jim Pace Brainstorm Electronics Inc www brainstormtime com 2 SR 112 User Manual SR 112 User Manual Page 3 Table of contents 1 Introduction 1 INTRODUCTION Congratulations on purchasing the SR 112 Time Code Distripalyzer The SR 112 com 2 INSTALLATION sisse nnn 3 bines several functions in one unit including most of the functions of the Brainstorm 3 O S DESCRIPTION AND CABLE REQUIREMENTS 4 SR 15 and with the option installed of the SR 3 4 QUICK START nennen enn The Distributor reshapes time code and distributes it through its 12 individually buff 5 FRONT PANEL DISPLAY amp LED S 5 ered outputs CD DO eben RIPE CM RYE one 5 Time DM MM UU 6 The Analyzer identifies the type the stability and the frame rate of the incoming Generator LED s 2 time code it verifies its proper synchronization phase with video and it reports SE IE ER Hine core emere das outs Warning LED s een 6 The Generator optional software repairs damag
11. TH BINARY GROUP SYNC WORD BIT ZERO SYNC WORD BIT ZERO SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ZERO SYNC WORD BIT ONE Bit No _2 FRAME UNITS FIRST BINARY GROUP 10 FRAME TENS 20 UNASSIGNED ADDRESS BIT 10 COLOR FRAME FLAG SECOND BINARY GROUP SECONDS UNITS THIRD BINARY GROUP SECONDS TENS JE BINARY GROUP FLAG BIT FOURTH BINARY GROUP MINUTES UNITS FITH BINARY GROUP 20 MINUTES TENS BINARY GROUP FLAG BIT SIXTH BINARY GROUP HOURS UNITS SER SEVENTH BINARY GROUP 10 HOURS TENS UNASSIGNED ADDRESS BIT 58 __ _BI PHASE MARK PHASE CORRECTION BIT _ EIGHTH BINARY GROUP SYNC WORD BIT ZERO SYNC WORD BIT ZERO SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ONE SYNC WORD BIT ZERO SYNC WORD BIT ONE Page 24 SR 112 User Manual
12. and 50psec EBU SR 112 User Manual Reshaped Code Reshaped Code Reshaped Code SMPTE setting 25us Square setting 1us EBU setting 50us As a general rule if time code is patched directly into a reader use the square wave position but whenever possible cross talk problems exist i e in an audio patchbay or when recording the reshaped signal use the SMPTE or EBU setting as needed 11 Time Code Analyzer The Analyzer section has 3 main functions to identify the format and frame rate of the incoming time code to verify the proper synchronization phase with video to detect and report time code errors 11 1 TIME CODE FORMAT AND FRAME RATE The LCD display indicates the format and the frame rate or frequency of the incoming code For example 30DF 29 970f s i IL In Status LIL SHOF 23 9 Format vs Frame Rate It is important to understand that format and frame rate are not always the same The frame rate in this case is a frequency If the speed varies the frame rate varies For example if a machine was running 5 too fast a format of 24 fr sec would have a frame rate of 25 20 fr sec The format on the other hand does not deal with frequency and stays the same regardless of the speed It is a way of counting There are 3 time code formats at 30 fr sec the frame sequence is 28 29 00 01 etc at 25 fr sec the frame sequence is 23 24 00 01 etc at
13. blems and is not rec ommended The SR 112 eliminates these potential problems by providing 12 individually buffered and balanced outputs 10 2 RESHAPING DISTORTED TIME CODE On older analog tape machines especially VTR s time code usually has improper rise fall times leading edge peaking and different amplitude levels on one s and zero s see diagrams below This is due to the fact that analog tape machines were not designed to record a signal that is basically digital Analog tape machine Analog tape machine Analog tape machine Play Speed High Speed Low Speed As a result time code could become unreadable The SR 112 eliminates these amplitude distortions by reshaping the code to its original SMPTE or EBU specifications 10 3 TIME CODE LEVEL Level fluctuations or improper level can also render time code unreadable With the SR 112 each output level is individually adjustable so that optimum levels can be sent to each reader These levels remain constant regardless of input level fluctuations 10 4 SELECTING THE PROPER RISE TIME Rise time limiting was specified in SMPTE and EBU to minimize crosstalk from time code into audio A longer rise time removes more high frequency compo nents from its waveform However some equipment may not be able to read time code if its rise time is too long The SR 112 has three preset rise times for its output waveform 25 psec SMPTE Ipsec square wave
14. ct between Reshape Repair or Generate RESET Press reset to reset the SR 112 BEEPER Press on or off to activate or deactivate the beeper Settings 7 buttons are included Clicking on any of them makes a new window pop up Menus 92 93 and 94 then become status menus indicating the IP Address Mask and Gateway but not allowing you to change them RISE TIME Select between square wave lus SMPTE 25us EBU 50us IF DHCP is off then the IP address mask and gateway must be entered manually in OUTPUT LEVELS Set the level for each of the 12 outputs from 0 to 99 menus 92 93 and 94 ERROR REPORT Select a report and right click to print GENERATOR for information please refer to the TCG manual Firmware Loader This section is used to upload new firmware onto the SR 112 Select a file with the BROWSE button and click the UPLOAD button The file should have a upld suffix like SR112 software version upld 12 3 LOADER 12 2 SR 112 WEB PAGE In case of a programming failure there is a fall back web page that allows you to restore the SR 112 Once your IP settings are entered properly use any browser Firefox Safari and point to the IP address of the SR 112 To run the Loader hold the DOWN and set keys during power up The The following web page will appear pollowinig Web SR 112 User Manual Brainstorm SR 112 Windows Internet Explorer G
15. ed time code by jam syncing and Power LED D WS se das ete Dunes a ee RTS OR 9 ares 7 generates new time code genlocked to video or not RUE OVC NON ce ENTER SENS atari The Ethernet port lets you connect to the SR 112 using standard TCP IP protocol to y 7 MENU NAVIGATION se 8 access the unit remotely and to update its firmware MENUS 9 0l Mode 9 02 Output Rise Time 9 03 Output Levels menus 03 05 9 ocu ana E qi Hd 9 07 Video Phase Threshold 9 2 Installation 08 Video Drift Threshold 10 10 Time Code Generator menus 10 29 reserved for TCG option 10 2 1 UNPACKING 91 Ethernet Menus 91 94 used for Ethernet settings 10 When unpacking your SR 112 the following items should be in the shipping carton DO Feat re Key 10 SRIM2 uni 99 SR 112 Software version amp Serial No 10 12 e Universal Power Supply 12VDC 16w 9 NON VOLATILE STORAGE 11 e IEC power cable 10 RESHAPING AND DISTRIBUTING TI
16. gt v x e 192 168 0 120 v E B Eile Edit View Favorites Tools Help Brainstorm SR 112 aa NZ Intelli luti ZZ OR for the recording and Br rm prie SR 112 Time Code Distripalyzer FIRMWARE LOADER Select a file with extension upld typically SR112_software_ lt version gt upld Bossa The only function of this web page is to load new firmware into the SR 112 As with the Loader section of the main page use the BROWSE button to locate the firmware file on your hard disk and click UPLOAD When the Loader is run prior to any upload and programming activity the 7 Segment display will show LoAdEr and the following message appears in the LCD tuork to load Firmware 12 4 PROGRAMMING SEQUENCE There are 2 steps in the normal programming sequence Upload and Program The file is first uploaded and checked then it is programmed into the SR 112 flash memory During this sequence the 7 Segment display will show all dashes with regular software also showing the time code decimal points not so with the Loader and the LCD will sequence through the following displays loading complete PP lane lerifsind The Verifying display can be missed if the time taken is very short Programming COME Lele Fro9rammind lana After programming is completed the unit automatically re boots and runs the newly programmed sof
17. h word of LTC is divided into 80 equal segments bits numbered O to 79 These bits are mainly grouped by four into Binary Coded Decimal words to form decimal numbers to 9 Twenty six of these bits are assigned to the Time Address information frames seconds minutes and hours thirty two are assigned to the Binary Group information user bits sixteen are used for sync sync word and the remaining six are used for flags or are still unassigned SMPTE has a frame rate of 30 fr s and EBU 25 fr s but both time codes have the same 80 bits per word Most bits are the same but some of the flags are different Bit No 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Oxo NIOJ Pr mI FRAME UNITS ola m FIRST BINARY GROUP 10 FRAME TENS 20 FRAME FLAG COLOR FRAME FLAG 0 1 2 3 4 9 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 SECOND BINARY GROUP SECONDS UNITS aan THIRD BINARY GROUP SECONDS TENS iM _ MARK PHASE CORRECTION BIT FOURTH BINARY GROUP MINUTES UNITS FITH BINARY GROUP 20 MINUTES TENS A o A BINARY GROUP FLAG SIXTH BINARY GROUP HOURS UNITS ola m SEVENTH BINARY GROUP E HOURS TENS UNASSIGNED ADDRESS BIT 58 _ BINARY GROUP FLAG BIT EIGH
18. nerate are only available when the ee optional TCG software has been installed each VIDEO IN The bottom 3 led s TC In Video In Ethernet light up when ETHERNET a valid signal is present at the corresponding port 5 5 WARNING LED S WARNINGS TT INPUT ERROR Input Error Flashes to indicates an error was detected To view this error go to the ERROR page on the LCD dis VIDEO PHASE play see 5 1 above To clear press any key VIDEO DRIFT Video Phase Indicates that Video and Time Code are VID TERM OFF SR 112 User Manual Page 7 locked with an offset out of phase Go to 11 2 for more information on Video Phase Video Drift Indicates that Video and Time Code are not locked Video Term Off Indicates that the 750 Video Termination has been switched off on the rear panel Termination should be switched on when the SR 112 is the last unit on the video line when using a T to loop through it should be off 5 6 POWER LED S When the SR 112 is turned on the Power A and Power B LED s Lk POWER A light up to indicate that power is present at the corresponding connector When the SR 112 is turned off these LED s stay off POWERB even with power present at the connector When using 2 power supplies if one of the 2 fails the corre sponding LED will flash 6 Navigation Keys 6 1 SET UP KEY PARAMETERS Left d SET UP To exit the Set U
19. ng the time code bit lined up with Video Sync Ideally it should read 000 0 See 11 2 for more on video phase TIME CODE ERRORS t Err QROP OUT Displays the last 50 time code errors since the last reset The first line has description of the error the second the faulty time code address To scroll through the different errors press the LEFT and RIGHT keys The left right arrows are only present when there are more errors in that direction Right increasing time codes Left decreasing The display normally shows the most recent error but arrowing to the left will hold it at the error being viewed It will return to displaying the most recent error if the operator either a arrows all the way to the right or b switches to a different display and back e g to the TC In Status display or to a Menu For a complete list of errors see Appendix A 5 2 TIME CODE READER 8 DIGIT NUMERIC DISPLAY The reader displays the incoming time code in hours minutes seconds and frames It also momentarily flashes an error description when errors are detected such as drop outs GENERATOR 5 3 GENERATOR LED S VIDEO REF Please refer to the TIME CODE GENERATOR manual for Sn information on these LED s 5 4 STATUS LED S The top 3 LED s indicate the selected operation mode Reshape Repair Generate Only one of these LED s can be on at a time RESHAPE Note Repair and Ge
20. p mode simply press the SET UP key again Note Holding the SET UP key for 3 seconds or more will reset the SR 112 see page 15 for more on Reset The Set Up mode is used to change parameters To enter the Set Up mode press the SET UP key While in Set Up mode the SET UP LED is on Hold for Reset 6 2 ENTER KEY In SET UP mode scrolling through the different values will not affect anything Only after the ENTER key is pressed will a change take place When exiting a menu without pressing the ENTER key the changes are lost 6 3 UP DOWN LEFT RIGHT KEYS These 4 keys are directly right of the LCD display They are not labeled as such because their function is fairly obvious The LEFT and RIGHT keys are used to move to a different field while the UP and DOWN keys are used to change a value The UP and DOWN keys are also used to move to another menu or page 8 SR 112 User Manual SR 112 User Manual Page 9 7 Menu Navigation 8 Menus Description 7 1 SELECTING A MENU 8 1 MENU O1 MODE When entering the Set Up mode the LCD display switches to the Set Up Hi Mode menu last used with the cursor on the far left position in the upper line The EFeshare cursor position is indicated with a gt character implemented as inverse video flashing on and off The SR 112 has 3 different operating modes Reshape Repair Generate To move to another menu
21. please refer to the TCG manual Connect the power supply to the Power A jack and plug the IEC cable into a wall outlet Then tap the front panel power switch to turn on your unit there will be a small delay approx 2 seconds before the front panel actually turns on Connect your time code source to the XLR TC input and if available connect your video reference to the video input BNC Out of the box the SR 112 is set to reshape and distribute your time code source through its 12 outputs Output levels are set to OdBU 5 Front Panel Displays amp LED s 5 1 LCD DISPLAY The 32 characters LCD display has 5 different status pages Time Code In Video User Bits Video Phase and Errors To access these different pages press the UP or DOWN key TIME CODE IN IL In Status LIC 3BDF 226370 Displays the type of time code bottom line left the format bottom line center and the frequency bottom line right Time Code formats 30ND 25 and 24 f s code The frequency counter has 3 decimals e VIDEO FORMAT t Wideo Format LOS rE Displays the format and the rate of the video reference See Appendix B for a list of supported video formats e USER BITS t User Bits In PHIL Da aho a ELLE Displays the User Bits and the User Bits type See chapter 13 for more info SR 112 User Manual e VIDEO PHASE Displays the phase between time code and the video reference by indicati
22. s on the bottom line The left right arrows are only present when there are more errors in that direc tion Right increasing time codes Left decreasing The display is normally showing the most recent error but arrowing to the left will hold it at the error being viewed It will return to displaying the most recent error if the operator either a arrows all the way to the right or b switches to a dif ferent display and back e g to the TC In Status display or to a Menu Time Code Report The report generated by the SR 112 includes a start time an end time all the errors that have occurred between the two Start A report is initiated automatically whenever code is fed into the SR 112 TIME CODE REPORT The analyzer detects the time code format and the start time It looks for a video reference and determines the phase between time code and video The front panel INPUT ERROR LED is cleared as are the errors reported in the LCD ERROR page see 5 1 making room for new errors to be reported Errors As errors are detected they are reported on the front panel and sent via Ethernet to the printed report as shown above Stop When time code is interrupted for 5 seconds or more an end of report is automatically initiated and the last valid address becomes the end time An end of report can also be initiated manually by doing a manual reset see 11 4 below The time code report is sent to a compu
23. ter via the Ethernet port From there it can be printed if necessary For more on Ethernet please refer to chapter 12 16 SR 112 User Manual SR 112 User Manual Page 17 a l LIS 11 4 RESET As described above the SR 112 is reset automatically whenever a new report is initi ated However on occasion it may be useful to reset manually STATUS VIEWER To do a manual reset press and hold the set up button for 3 seconds or more The 8 digit display will confirm this by indicating RESET When doing a manual RESET an end of report is initiated If it happens while time code is playing a new report starts immediately Output Levels FIRMWARE LOADER 12 Ethernet The Ethernet port is used to connect the SR 112 via standard TCP IP protocol It This web page is divided in 4 sections enables the user to access the SR 112 remotely and to upload firmware from any computer on the network Displays the name the IP address and the serial number of the device The first thing you need to do is to set the IP address of your SR 112 properly using the front panel keys Status All the front panel information is included in this section as well as the 12 1 ETHERNET IP SETTINGS output levels and the output rise time setting Menu 91 lets you activate DHCP When DHCP is on the server assigns an IP address to the SR 112 automatically along with a subnet mask and a gateway al DHLF MODE Sele
24. time code is out of phase with video This means that time code is running at the right speed and is resolved properly but that there is an offset between the two signals By default the SR 112 considers time code in phase with video if the phase is within or 20 If required this window can be changed by adjusting the Out Of Phase Threshold in menu 07 The range is from 0 to 99 see page 9 SR 112 User Manual Video Drift LED This LED indicates that time code is non synchronous with video By default the SR 112 considers time code as drifting when it s alignment with video video phase has changed by 2 5 or more If required this Drift Threshold can be changed in menu 08 The range is 0 1 to 9 9 see page 9 WARNING IF THE PHASE CHANGES TIME CODE IS ASYNCHRONOUS AND MAY BE USELESS FOR YOUR APPLICATION 11 3 TIME CODE ERRORS One of the functions of the analyzer is to detect and report time code errors Errors considered serious enough to cause a problem are labeled fatal by the SR 112 Others are non fatal For a complete list see appendix A Reporting Errors on the SR 112 front panel All fatal errors are reported on the front panel fatal and non fata are both reported on the printed report errors The 8 digit display Every time the SR 112 detects a fatal error the reader is momentarily inter rupted and displays a description of the error i e Drop out etc for abo
25. tor turn off the termination switch and make sure there is a un Settings eS SEO SC SR ESAS He T EES CH OS 750 termination at the end of the chain DAR ernennen eben brennen Programming Sequence 18 13 40 SER BITS osu eee eee E rn ee eae 19 14 APPENDIX eee 20 A Time Code Error Messages 20 B Video formats supported by the 112 21 C Pinout Diagram for D25 connector 21 D Longitudinal Bit Assignment SMPTE and EBU 22 4 SR 112 User Manual 3 I O s Description and Cable Requirements eie WINY Manufactured in the USA 3 POWER The SR 112 requires 12VDC 18W Acceptable range is 12VDC 15 The external supply provided with the SR 112 accepts 100 to 240 VAC input at 50 60 Hz so it is suitable for use anywhere in the world Optionally a second power supply can be connected to Power Input B for redundancy To order a second power supply contact your dealer gt nsert the 4 pin plug into the rear panel jack and secure by screwing the ring Plug the supply into the wall using the standard IEC cable supplied 3 2 ETHERNET The Ethernet port is used to connect the SR 112 via TCP IP protocol to access the unit remotely and to upload firmware from any computer on the network Connector RJA5 jack gt Use a standard Ethernet cat5 cable with
26. tware Note that during the programming phase Ethernet is internally disconnected It is reconnected during the automatic re boot SR 112 User Manual Page 19 12 5 PROGRAMMING ERRORS If an error was to occur during the sequence described above possibly due to a network error a power failure or a pulled cable an error message would appear in the LCD display There are three different messages Upload ERROR mim mum anni Upload Error is not very serious since the error was detected during the upload or during the verification phase and programming had not begun yet Simply press any key and start again Flash ERROR Press key Flash Error is most likely similar to the previous error Press any key and start again However if the same message reappears right after it means the corruption occurred after programming had begun and the Loader procedure should be used for restoration see 12 3 Froaram ERROR Must use LOADER Program Error indicates that an error occurred during the programming phase The only way to restore proper operation is by doing a complete update via the loader see 12 3 13 User Bits User Bits Binary Groups can be set to carry different information Three bits Binary Group Flags are used to define this BGFO BGF1 BGF2 see Appendix D for SMPTE amp EBU bit assignments While in the User Bits page see 5 1 the SR 112 LCD shows the User Bits and the
27. ut 2 seconds Then it returns to its normal mode of operations Here is a list of error messages as they are reported on the 8 digit display DROP OUT Drop out Code interruption for less than 1 second CODESTOP Code Stopped Code interruption for 1 second or more REPEAT Repeated Frame DISCONT Discontinuous Address INVALID Invalid Code VID LOST Video Loss Any interruption in the video signal TYPE CHG Code Type or Format Change DF CHG Change in the Drop Frame Status CF CHG Change in the Color Frame status ERR Drp Frame error received a 00 or 01 frame where there should have been a 02 RESET Manual Reset The beeper The beeper sounds when a fatal error is detected It can be deactivated in menu 06 Warning LED After the SR 112 has detected a fatal error the INPUT ERROR warning LED starts flashing This way if you leave the room you will know if an error occurred while you were away To stop the LED from flashing manually press any key The LED automatically stops flashing when the SR 112 is reset SR 112 User Manual Page 15 LCD Display Press the UP or DOWN key until the ERROR page appears on the LCD dis play To scroll through the different errors press the LEFT or RIGHT keys t Err DEUP OUT am Eee OU Lam 2 Ls rn i diaz HM br 2 17 2l For each error detected an error description appears on the top line and the faulty address appear
28. was 12 is approximately OdBU with unbalanced 24 is made but not entered yet NOTE For menu 05 it is not necessary to hit the ENTER key The changes take place instantly 7 4 STATUS VALUES 8 4 MENU 06 BEEPER Throughout the different menus values appear in the display enclosed in square brackets These are status values Status values are the values actually obtained based on a menu selection such as the output rise time in menu OA Menu 06 enables you to turn the beeper on or off 04 TL Rise Time ESauare Lius 8 5 MENU 07 VIDEO PHASE THRESHOLD Phase Thresh E Menu 07 is for changing the threshold at which time code is considered out of phase with video and lights up the Video Phase LED See 11 2 for more info Page 10 SR 112 User Manual This menu is for changing the threshold at which time code is considered drifting relative to video and lights up the Video Drift LED See 11 2 for more info 8 7 MENUS 10 29 TIME CODE GENERATOR Menus 10 through 29 are assigned to the optional Time Code Generator and are only available if the TCG software has been installed For more information on these menus please refer to the TCG manudl 8 8 MENUS 91 94 ETHERNET 31 DHCP Bon DHCP stands for Dynamic Host Configuration Protocol When the DHCP option is turned on the DHCP server automatically assigns an IP address to the SR 112 It also assigns other IP configuration parameters such as the
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