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Operating Manual
SR-112
Time Code Distripalyzer
Owner's manual
Version 4.01
October 2016
All 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
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Summary of Contents for Brainstorm SR-112
- Page 1 Time Code Distripalyzer Owner’s manual Version 4.01 October 2016 All 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...
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Page 2: Table Of Contents
98- Feature key ......... 10 99- sR-112 software version & serial No ..... . 11 9. -
Page 3: Introduction
• Owner’s Manual & Registration card 2.2. INsTaLLING THE sR-112 The sR-112 is designed to be mounted in a standard 19” rack. It requires 1U in height. Usual precautions should be respected when wiring the sR-112: use high quality cables with good shield to guarantee a good signal transmission. -
Page 4: I/O's Description And Cable Requirements
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. -
Page 5: Quick Start
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 0dBU. -
Page 6: Time Code Reader
Page 6 SR-112 User Manual (Rev 4.01) • TIME CODE ERRORs Displays the last 50 time code errors since the last reset. The first line has a description of the error, the second the faulty time code address. To scroll through the different errors, press the [LEFT] and [RIGHT] keys. -
Page 7: Power Led's
LED is on. To exit the set Up 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 10.5 for more on Reset). 6.2. ENTER kEY In sET UP mode, scrolling through the different values will not affect anything. -
Page 8: Menu Navigation
Page 8 SR-112 User Manual (Rev 4.01) 7. Menu Navigation 7.1. sELECTING a MENU When entering the set Up mode, the LCD display switches to the set Up menu last used, with the cursor on the far left position in the upper line. The cursor position is indicated with a ‘>’... -
Page 9: Menus Description
SR-112 User Manual (Rev 4.01) Page 9 8. Menus Description 8.1. MENU 01: MODE The sR-112 has 3 different operating modes: • Reshape • Repair • Generate Note: Menu 01 only appears when the TCG software option has been installed since, without it, Reshape is the only mode available. -
Page 10: 08- Video Drift Threshold
92, 93 and 94. For more on Ethernet, go to chapter 10 page 16. 8.10. MENUs 98: FEaTURE kEY Menu 98 lets you enter a unique key to authorize certain features on your sR-112, such as the TCG. -
Page 11: 99- Sr-112 Software Version & Serial No
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: 1µsec, 20 µsec and 40µsec. The first one is a square wave, the third is per sMPTE and EBU... -
Page 12: Time Code Analyzer
Page 12 SR-112 User Manual (Rev 4.01) 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/EBU setting . -
Page 13: Video Phase
By default, the sR-112 considers time code in phase with video if the phase is within + or - 20º. If required, this window can be changed by adjusting the “Out Of Phase Threshold”... -
Page 14: Reporting Time Code Errors
When using 2x video rates (50, 59.94, 60Hz) for checking phase of a timecode input the sR-112 extracts a 1x rate (25, 29.94, 30Hz) from the video, and it does this by arbitrarily discarding every second input video frame edge. -
Page 15: Power-Up Error Blackout
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. -
Page 16: Non-Volatile Storage
12. Ethernet The Ethernet port is used to connect the sR-112 via standard TCP/IP protocol. It enables the user to access the sR-112 remotely, and to upload firmware from any computer on the network, including mobile devices such as tablets or smartphones. - Page 17 The report header includes the start time, the Time Code format and rate, the video format and the TC/Vid phase (if video is present), the User Bits and the sR-112 operating mode. The current date is inserted at top of report. It is also inserted into the report at reader 24-hour crossing.
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Page 18: Firmware Updates
When downloading firmware updates from the Brainstorm website, 2 types of image files are available: complete and software. The sR-112 FLasH memory is divided in several sections, for the parameters settings, the application software, the Loader software and the FPGa image. The diagram... -
Page 19: Programming Errors
• at the conclusion of a Flash programming sequence following the upload of a “complete” image file, the display shows that a manual reboot is required. • With a ‘software’ image file, the sR-112 automatically reboots. 13.4 PROGRaMMING ERRORs If an error occurs during the programming sequence, possibly due to a network error, a power failure or a pulled cable, one of 3 error messages appears in the LCD display. -
Page 20: Programming Sequence
THE FACTORy. 13.5 LOaDER The Loader is a fall-back web page that allows you to restore your sR-112 in case of a programming failure. This page is located in a different area of the Flash Memory (see LOaDER sOFTWaRE on the Flash Memory map above, 13.2). -
Page 21: User Bits
(Binary Group Flags) are used to define this: BGF0, BGF1, BGF2 (see appendix D for sMPTE & EBU bit assignments). While in the User Bits page (see 5.1), the sR-112 LCD shows the User Bits and the BGF setting. The table below shows the different options available and how they appear on the... -
Page 22: Appendix
Page 22 SR-112 User Manual (Rev 4.01) 15. appendix aPPENDIX a - VIDEO INPUT FORMaTs The following table lists all the video formats recognized by the sR-112 as reference: 525i/29.97 NTSC 1080i/25 1080p/23.976 525i/30 1080i/25 295M 1080p/24 625i/23.976 PAL- 1080i/29.97... -
Page 23: Time Code Error Messages
User Bit Change Invalid code Reported if the User Bits message changes If the sR-112 detects that time code Video Loss (“VID-LOST”) was encoded in the user bits, these UB changes are not reported any interruption in the video signal Code Type Change (“TYPE CHG”) -
Page 24: Longitudinal Bit Assignment: Smpte And Ebu
Page 24 SR-112 User Manual (Rev 4.01) aPPENDIX D: LONGITUDINaL BIT assIGNMENT - sMPTE & EBU Each word of LTC is divided into 80 equal segments (bits), numbered 0 to 79. These bits are mainly grouped by four into Binary Coded Decimal words to form decimal numbers (0 to 9).
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