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Crystal Vision Indigo Q-Down-AG 3G User Manual

Short-delay broadcast down converters and distribution amplifiers
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Q-Down-AG 3G /
Q-Down-ATG 3G
Short-delay broadcast down
converters and distribution amplifiers
Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.
Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059 sales@crystalvision.tv www.crystalvision.tv

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Summary of Contents for Crystal Vision Indigo Q-Down-AG 3G

  • Page 1 Q-Down-AG 3G / Q-Down-ATG 3G Short-delay broadcast down converters and distribution amplifiers Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England. Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059 sales@crystalvision.tv www.crystalvision.tv...

  • Page 2: Table Of Contents

    Crystal Vision Q-Down-AG 3G/Q-Down-ATG 3G User Manual Contents Introduction Hardware installation Module configuration Rear modules and signal I/O Rear module connections with RM41 Rear module connections with RM57 General Purpose Interface Aspect Ratio Correction Fixed Aspect Ratios Automatic Aspect Ratio Selection...
  • Page 3 Crystal Vision Q-Down-AG 3G/Q-Down-ATG 3G User Manual Video Status Audio Status Menu Audio Status Video Settings Menu Output Format & Timing Fixed Aspect Ratio RGB Proc Amp YUV Proc Amp Fibre Optic Enable Custom Aspect Ratio Menu Anamorphic, 16x9 Letterbox, 14x9 Letterbox, Centre Cut...
  • Page 4 Crystal Vision Q-Down-AG 3G/Q-Down-ATG 3G User Manual Revision 1 Preset recall table amended, page 8. 16/04/13 Revision 2 Combined AG and ATG manuals. Added VisionWeb info. Moved 17/01/18 Statesman to Appendix. Revision 3 Added note about removal of card edge control in 2018.

  • Page 5: Introduction

    3Gb/s, HD or SD input, along with another six loop-throughs if a DA6 top board is fitted. Using Crystal Vision’s proprietary processing, the Q-Down 3G range provides a unique level of image quality – avoiding aliasing while retaining picture sharpness.
  • Page 6 The Q-Down 3G range is a space-saving 100mm x 266mm module, with up to 12 boards fitting in a 2U frame alongside the rest of the Crystal Vision Indigo product range. The inputs and outputs are accessed by using the RM41 and RM57 frame rear modules, with the RM34 rear module additionally used to access the optional top board outputs.

  • Page 7: Hardware Installation

    Crystal Vision Hardware installation 2 Hardware installation 2.1 Module configuration There are four user settable links on the Q-Down 3G range. These are – PL2, PL3, PL4 and PL10. Links PL2, PL3 and PL4 are used to select between analogue and serial digital outputs.
  • Page 8 Crystal Vision Hardware installation Link configurations Link Towards front of board Towards rear of board CVBS / Y / G output High/Standard Definition serial digital output CVBS / U / B / YC-Y output High/Standard Definition serial digital output CVBS / V / R / YC-C output...
  • Page 9 Crystal Vision Hardware installation Potentiometer Function CVBS / Y / G output amplitude U / B / YC-Y output amplitude V / R / YC-C output amplitude Standard Definition free-running frequency High Definition 50Hz free-running frequency High Definition 59.94Hz free-running frequency Q-Down-AG 3G/ATG 3G User Manual R2.1...

  • Page 10: Rear Modules And Signal I/O

    Crystal Vision Rear modules and signal I/O 3 Rear modules and signal I/O The 2U Indigo 2 frames will house up to 12 single height modules and dual power supplies. The 1U Indigo 1 frames will house six single height modules and a single or dual power supply.
  • Page 11 Crystal Vision Rear modules and signal I/O I/O assignment SC optical connector. Input or output depending on optical module fitted OPTICAL I/O HD/SD SDI / CVBS, Y, G output (link PL2) SDI/CVBS/Y/G OUT SDI/CVBS/U/B/YCY OUT HD/SD SDI / CVBS, U, B, YC-Y output (link PL3)

  • Page 12: General Purpose Interface

    Crystal Vision General Purpose Interface 4 General Purpose Interface Each frame slot has up to six connections ‘a-f’ for GPI control and monitoring. These connections are available at the rear of the frame on the 26-way D-Type remote connectors. GPI 3 and GPI 4 can be set to be both inputs and outputs. When set to be inputs they allow the full selection of 16 user selectable presets.
  • Page 13 Crystal Vision General Purpose Interface The 16 user preset configurations can be recalled using binary notation. Preset Bit 8 Bit 4 Bit 2 Bit 1 Preset Bit 8 Bit 4 Bit 2 Bit 1 2U frame GPI connections GPI lines ‘a’ to ‘f’ of each card connect to two of four rear remote connectors as follows: Slot no.
  • Page 14 Crystal Vision General Purpose Interface 1U frame GPI connections GPI lines ‘a’ to ‘f’ of each card connect to two rear remote connectors as follows: Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin 8 (1)

  • Page 15: Aspect Ratio Correction

    Crystal Vision Aspect Ratio Correction 5 Aspect Ratio Correction The Q-Down 3G range includes the ability to deal with any HD to SD aspect ratio conversion requirements. You can select a 16:9 Anamorphic output for 16:9 SD systems and either a 16:9 to 4:3 Letterbox, 16:9 to 4:3 Letterbox compromise, or 16:9 to 4:3 Full Screen with centre cut for 4:3 SD systems.

  • Page 16: Automatic Aspect Ratio Selection

    Crystal Vision Aspect Ratio Correction to the top and bottom or both sides of the picture. There will be some loss of picture. Centre cut will show the central 75% of the 16:9 widescreen picture mapped to the full monitor height with the corresponding loss of the left and right picture edges.
  • Page 17 Crystal Vision Aspect Ratio Correction SMPTE Explanation and Auto adaptive Auto 4:3 correction 2016 AFD 16:9 input image correction (output WSS) Code example (output WSS) 0, 1, 5, 6, 7, Letterbox 16:9 into Undefined/reserved Anamorphic 2,8,10,14,15 Letterbox 16:9 into Anamorphic...

  • Page 18: Output Afd And Wss

    Crystal Vision Output AFD and WSS 6 Output AFD and WSS There are three sets of controls associated with Active Format Descriptor (AFD). These are the inserter mode control, entire image aspect ratio selector (coded frame) and the group of 16 AFD codes.

  • Page 19: Timecode And Closed Caption

    Crystal Vision Timecode and Closed Caption 7 Timecode and Closed Caption The Q-Down-ATG 3G can deal with both (ATC) ancillary data timecode (SMPTE 12M) and (D-VITC) vertical interval timecode (SMPTE 266M). ATC is particularly useful when down converting progressive High Definition video to an interlaced High Definition output.

  • Page 20: Control And Status Monitoring

    Crystal Vision Control and status monitoring 8 Control and status monitoring 8.1 Card edge controls Q-Down 3G range board edge (Q-Down-ATG 3G model shown) Board edge control was removed from Q-Down-AG 3G and Q-Down-ATG 3G in 2018. Therefore the card edge control information detailed below is only relevant for older versions of the product.

  • Page 21: Reading Card Edge Leds

    Crystal Vision Control and status monitoring 8.4 Reading card edge LEDs Card edge LEDs may be used in conjunction with status information from any connected remote status panel display or from Statesman if available. Refer also to the trouble-shooting chapter for more help with solving problems and monitoring status information.

  • Page 22: Using The Front Control Panel

    Crystal Vision Control and status monitoring 8.6 Using the front control panel At power up, the LEDs of all eight control panel keys will illuminate briefly. Once the panel has completed its power up and configuration sequence the panel will enter its status mode and display the current software version and frame IP address.

  • Page 23: Control Panel Keys Overview

    Crystal Vision Control and status monitoring Q-Down-AG 3G Video Status sub-menu Press ENTER to select the ‘Signal Status’ menu or SCROLL to display other sub- menus. See description of menu structure below for list of sub-menus. Control Panel keys overview The functions assigned to the control panel keys are: •...
  • Page 24 Crystal Vision Control and status monitoring Bypassed Op Incompatible Op Output Aspect Ratio Anamorphic 16x9 Letterbox 14x9 Letterbox Centre Cut Disabled Audio Status Groups Group 1 Group 2 Group 3 Group 4 Input Output Audio Silence Group 1 Group 2...
  • Page 25 Crystal Vision Control and status monitoring Green Lift Gain Blue Lift Gain RGB Cal (default) Disabled Cal (default) Proc Lift Gain Lift Gain Lift Gain YUV Cal (default) Fibre Optic Enable Fibre Optic Enable Input Output Custom Aspect Ratio Anamorphic...
  • Page 26 Crystal Vision Control and status monitoring (default) Cal (default) Data Insert AFD & WSS Data Input AFD Output AFD Output Code Output WSS Output Timecode & Closed Caption Status Disabled Input ATC Input DTVCC ATC Output Enbl. Lock Op. to ATC...
  • Page 27 Crystal Vision Control and status monitoring Silence Group 4 Ch. 3/4 Input Incompatible Anamorphic 16x9 Letterbox 14x9 Letterbox Centre Cut Disabled The above menu structure is the means to access the various Q-Down 3G range controls and status. A more detailed description is in section – ‘Control Descriptions’.

  • Page 28: Controlling Cards Via Visionweb

    Control and status monitoring 8.7 Controlling cards via VisionWeb Crystal Vision cards use an XML file to create a control database that is used by the card’s front-edge controller, the Indigo frame front panel controller and VisionWeb software. VisionWeb software offers a full range of controls with slider controls etc.

  • Page 29: Control Descriptions

    Control Descriptions 9 Control Descriptions The controls of the Q-Down 3G range are accessible from Crystal Vision’s VisionWeb software, the front panel or the board edge. The description of controls used in this manual is based on VisionWeb but the path to locate controls via the front panel or board edge follows the same logic.

  • Page 30: Video Status Menu

    Crystal Vision Control Descriptions 9.1 Video Status Menu Video Status Display presence, standard and status of input and output video signals. Present On if a video input is present. Displays the video standard of the input i.e. Format ‘1080i 50’.
  • Page 31 Crystal Vision Control Descriptions 3G range has been set to bypass by checking the Bypass box in the ‘Output Format & Timing’ menu. For the Q-Down 3G to enter bypass mode both the input and output selection must be the same otherwise the bypass command will be ignored.

  • Page 32: Audio Status Menu

    Crystal Vision Control Descriptions 9.2 Audio Status Menu Audio Status Display status of embedded audio signals. On if embedded audio group is present in input Input video. Group 1-4 On if embedded audio group is present in the Output output video.
  • Page 33 Crystal Vision Control Descriptions The output format can be selected from 1080i, 720p or SD. Although it is possible to select the output to be the same as the input format, apart from 1080p, setting the output to a higher...

  • Page 34: Fixed Aspect Ratio

    Crystal Vision Control Descriptions Enabling the bypass control will set the Q-Down 3G range into bypass mode whenever the input and the selected output format are the same. In bypass mode the analogue output selection remains active along with the analogue RGB and YUV proc-amps Bypass and the delay controls.

  • Page 35: Rgb Proc Amp

    Crystal Vision Control Descriptions Choose Aspect Ratio Correction for the output picture. There are four fixed aspect ratios which are Anamorphic, 16:9 Letterbox, 14:9 Letterbox and centre cut. Selecting Auto 16:9 for all AFD input codes will give an Anamorphic aspect ratio conversion and for a 625-line output WSS will be set to 16:9 full frame.

  • Page 36: Yuv Proc Amp

    Crystal Vision Control Descriptions the RGB proc-amp is active simultaneously on both the digital and analogue outputs. Should the Q-Down 3G range be put into bypass mode the proc-amps will only affect the analogue output. The digital proc-amps will be disabled as shown by the Disabled status LED.

  • Page 37: Fibre Optic Enable

    Crystal Vision Control Descriptions Fibre Optic Enable Select fibre optic I/O options. The Q-Down 3G range has the option of either receiving an optical input or transmitting an optical output once the necessary optical equipment has been fitted. If the optical receiver module is fitted,...

  • Page 38: Anamorphic, 16X9 Letterbox, 14X9 Letterbox, Centre Cut - Crop

    Crystal Vision Control Descriptions Anamorphic, 16x9 Letterbox, 14x9 Letterbox, Centre Cut - Crop Crop the output image. (These controls are identical for all four fixed aspect ratios.) Left/Right/Top/ Crop the output image. These adjustments will be recalled Bottom whenever the fixed aspect ratio is re-selected.

  • Page 39: Data Insert Menu

    Crystal Vision Control Descriptions 9.5 Data Insert Menu AFD & WSS Data Select line numbers to output AFD/ATC, VITC and Closed Caption data. Display incoming AFD aspect ratio descriptor. i.e. 16x9, 4x3. Displays incoming AFD descriptor. i.e. ‘undefined, full frame, 16x9 Centre’...
  • Page 40 Crystal Vision Control Descriptions Code for active image area. See section ‘Output AFD Code AFD and WSS’ for more information. Output widescreen signalling can be set to automatically follow the input AFD data or be manually selected. If WSS data should be present...

  • Page 41: Timecode & Closed Caption (Q-Down-Atg 3G Only)

    Crystal Vision Control Descriptions Timecode & Closed Caption (Q-Down-ATG 3G only) Select line numbers to output AFD/ATC, VITC and Closed Caption data. The disabled LED will be illuminated when not down converting and Disabled Timecode and Closed Caption controls will be inactive.

  • Page 42: Presets, Reset & Gpi/Os Menu

    Crystal Vision Control Descriptions Select the lines into which data is inserted in the SD output stream when down converting. Q-Down-ATG 3G can deal with both ancillary data timecode (ATC) and vertical interval timecode (DVITC). When outputting Standard Definition, Q-Down-ATG 3G will...

  • Page 43: Resets

    Crystal Vision Control Descriptions Store or recall the Q-Down 3G range’s configuration Select to one of 16 memory locations (only presets 1-10 shown). Select to save the current Q-Down 3G range configuration to the Save selected preset location. If the selected location contains previously saved setting information it will be overwritten by the new data.

  • Page 44: Default Values

    Crystal Vision Control Descriptions Default values Parameter Output Format Analogue output CVBS, SMPTE and NTSC-M Fibre Optic I/O Unchanged Anamorphic Aspect ratio Vertical bandwidth Sharp Output AFD Auto, 8-Full Frame Coded Frame Wide Screen Signalling Auto H Size (all) V Size (all)

  • Page 45: Gpo Alarms

    Crystal Vision Control Descriptions GPO Alarms Set the conditions that trigger GPO alarms. There are up to four GPI outputs reserved for alarm indication – GPI 3 and GPI 4 which are selectable I/O, and GPI 5 and GPI 6. All four when configured as outputs may have assigned to them any of the 18 video and audio alarms.
  • Page 46 Crystal Vision Control Descriptions Select to assert selected GPO if any of the Group 1-4 Ch12/34 embedded audio channel pairs are silent for the Silence period set by the Alarm Delay menu. Select to assert selected GPO if the video input...

  • Page 47: Alarm Delays

    Crystal Vision Control Descriptions Alarm Delays Set time that an alarm condition must be active before triggering an alarm. Set the period between 0 to 20 seconds that the incoming video must be permanently at black level before asserting GPO alarms. With delay...

  • Page 48: Specification

    Crystal Vision Specification 10 Specification General Dimensions 100mm x 266mm module with DIN 41612 connector. Weight 180g. Power consumption Q-Down 3G - 1 Watts. DA6 - 3 Watts. FIP - 0.6 Watts. FOP - 0.6 Watts. Inputs Video HD or SD SDI 270Mb/s to 2.970Gb/s serial digital compliant to SMPTE 259M, SMPTE 292M and SMPTE 424M.
  • Page 49 Crystal Vision Specification and R (Betacam levels selectable). SD only. 1V ± 2% with sync into 75 ohm Composite: Auxiliary data Passed. Component performance Processing: Video input is 10 bit processed for 12 bit output DACs. Frequency Luminance: +/- 0.3dB to 5.5 MHz.

  • Page 50: Troubleshooting

    Crystal Vision Troubleshooting 11 Troubleshooting Card edge monitoring The front edge of the card provides useful power rail monitoring, input status, vertical filter and analogue output format. Board edge control was removed from Q-Down-AG 3G and Q-Down-ATG 3G in 2018. Therefore the card edge control information is only relevant for older versions of the product.

  • Page 51: Statesman

    The following is an extract from a previous version of the Q-Down-ATG 3G manual: The Crystal Vision Statesman PC control software is designed to control a range of Crystal Vision modules via Ethernet control from a PC. Statesman provides a user friendly means of configuring and operating Crystal Vision modules with the benefit of “see-at-a-glance”...

  • Page 52: Status

    Crystal Vision Appendix A Status The board status is shown using a mixture of simulated LEDs and text information. As a general rule a green LED shows a good condition such as input present or audio groups present. An amber LED will give a warning as with channel silence, video black or video frozen.
  • Page 53 Crystal Vision Appendix A Note: The position of the on-board links PL2, PL3 and PL4 must also be set to give either an SDI output or analogue output as required. See Module Configuration for link setting details. Video output format selection...

  • Page 54: Aspect Ratio

    Crystal Vision Appendix A Aspect ratio This tab contains the output aspect ratio, active format descriptor (AFD) and output widescreen signalling (WSS) controls Output aspect ratio, Vertical bandwidth, AFD and WSS controls Output aspect ratio There are four fixed aspect ratios which are Anamorphic, 16:9 Letterbox, 14:9 Letterbox and centre cut.
  • Page 55 Crystal Vision Appendix A Response to SMPTE 2016 AFD codes Incoming Explanation Auto 16:9 Auto 4:3 Auto adaptive AFD value Conversion conversion Conversion (output WSS) (output WSS) (output WSS) Letterbox Undefined/ Anamorphic No change, as 0, 1, 5, 6, 7, 12...

  • Page 56: Aspect Ratio Control

    Crystal Vision Appendix A Note: When inserting SMPTE 2016 data the inserter will blank any incoming SMPTE 2016 data. Widescreen Signalling Output widescreen signalling can be set to automatically follow the input AFD data or be manually selected. If WSS data should be present on the input video this can either be passed to the output unchanged or substituted for a user selectable code.
  • Page 57 Crystal Vision Appendix A Aspect ratio size, position and crop controls Border hue control These three controls allow the colour of any picture border present to be adjusted by varying its RGB component. Pressing Cal returns all three slider controls to zero giving a black border.
  • Page 58 Crystal Vision Appendix A RGB and YUV Proc amps Timecode and closed caption The timecode and closed caption tab contains the AFD/ATC, VITC and CC line select menu. GPI alarm configuration The Q-Down-ATG 3G can deal with both (ATC) ancillary data timecode (SMPTE 12M) and (D-VITC) vertical interval timecode (SMPTE 266M).
  • Page 59 Crystal Vision Appendix A 525 VITC lines 10+12 (273+275) 14+16 (277+279) 18+20 (281+283) 11+13 (274+276) 15+17 (278+280) 19+21 (282+284) 12+14 (275+277) 16+18 (279+281) 13+15 (276+278) 17+19 (280+282) 625 VITC lines 6+8 (319+321) 11+13 (326+328) 16+18 (329+331) 7+9 (320+322) 12+14 (325+328)
  • Page 60 Crystal Vision Appendix A Using the GPI alarm outputs The alarms tab contains the GPI output alarm configuration menu and alarm delay controls. GPI alarm configuration There are up to four GPI outputs reserved for alarm indication – GPI3 and GPI4 which are selectable I/O, and GPI5 and GPI6, they may have assigned to them any of the 18 video and audio alarms.

  • Page 61: Engineering

    Crystal Vision Appendix A Note Press the cal button at anytime to reset the timer delays to their default values. Engineering Video delay and output error mode is configured in the engineering menu. Video delay, Bypass and Output error mode selection...

  • Page 62: Presets

    Crystal Vision Appendix A Bypass Selecting Bypass Control will set the Q-Down-ATG 3G to bypass mode whenever the input and the selected output formats are the same. In bypass mode the analogue output selection remains active along with the analogue RGB and YUV proc amps and the delay controls.
  • Page 63 Crystal Vision Appendix A The recalling of previously stored presets can also be implemented externally via the GPI port. To sanction this facility, tick the GPI controls preset recall box. See Section 2.3 for further discussion of GPIs and pinout details.

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