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Crystal Vision DEC102S User Manual

Composite or y/c to sdi decoder
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DEC102S
Composite or Y/C to SDI decoder
Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.
E-mail: sales@crystalvision.tv
Website: www.crystalvision.tv
Tel: +44(0) 1223 497049
Fax: +44(0) 1223 497059

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Summary of Contents for Crystal Vision DEC102S

  • Page 1 DEC102S Composite or Y/C to SDI decoder Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England. E-mail: sales@crystalvision.tv Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059...

  • Page 2: Table Of Contents

    2.2 Statesman operation Configuration Gain, black level and phase adjustment Timing adjustment 3 Using the front control panel The DEC102S menu structure Selecting video standard and decoder modes Setting gain and black level Adjusting signal timing 4 Card edge operation...
  • Page 3 Crystal Vision DEC102SUser ManualV1.0 5 Hardware installation 5.1 Rear modules and signal I/O RM01 RM02 RM18 5.2 FR1-6, FR2-12 and FR2-8 frame rear connectors FR1-6 & FR2-12 connections FR2-8 connections 5.3 Module configuration Loop or terminate the external reference Card-edge control - video standard and 8/10 bit jumper location...

  • Page 4: Introduction

    Crystal Vision Introduction 1 Introduction The DEC102S is an analogue composite or Y/C to serial digital video decoder. It contains a 10-bit synchroniser allowing the serial digital output to be timed to an analogue reference. Two main operating modes are supported, 10-bit for professional quality PAL or NTSC video and 8-bit for less stable PAL or NTSC video, as is often the case with VHS or satellite feeds.

  • Page 5: Operating Modes

    10-bit mode whichever source is the active reference. Audio follow pulse To allow an audio delay to track the delay through the DEC102S, a TTL level pulse is provided. This pulse is output every frame. The length of the pulse (the time between the rising and falling edge) is the same as the delay through the synchroniser.

  • Page 6: Statesman

    Running Statesman for the first time The Statesman PC Control System may be run from the Crystal Vision programs folder via the Start menu or by double-clicking on the Crystal Vision.exe file in the installed program directory. When the program runs it will require licence information and an administrator name and password.

  • Page 7: Statesman Operation

    Crystal Vision Statesman 2.2 Statesman operation Once Statesman is configured it should automatically detect any statesman compatible modules in the connected frame or frames and display them in the main application left hand explorer-style window. Open any frame by clicking on the ‘+’ sign or by double clicking on a frame. Installed modules should be shown with module icons.

  • Page 8: Configuration

    Crystal Vision Statesman Configuration The configuration tab provides access to the following: • PAL/NTSC/Auto - standard selection • YC/Composite – format selection • 8 Bit/10 Bit – decoding quality • Blank or unblank the VBI interval • Pedestal – pass or block the NTSC pedestal •...
  • Page 9 Crystal Vision Statesman Output settings Output settings are as follows: Output setting Description 8 bit/10 bit/Auto Force 10 or 8 bit output quality or allow automatic selection. VBI data blocked or passed unprocessed (unblanked) on luminance channel VBI Blanked /Unblanked Pedestal (NTSC ON: 7.5 IRE subtracted from black level, gain increased...

  • Page 10: Gain, Black Level And Phase Adjustment

    Crystal Vision Statesman Gain, black level and phase adjustment The level adjustment tab provides access to the following: • Luma and Chroma gain • U and V gain • Black level • Phase/Hue – 10 bit mode only Level adjustment controls...

  • Page 11: Timing Adjustment

    Crystal Vision Statesman Timing adjustment The position adjustment tab provides access to the following: • Horizontal position - output timing in 37ns steps • Vertical position - output timing in one line steps • Horizontal delay - input timing in 37ns steps (10 bit mode only)
  • Page 12 Crystal Vision Statesman Adjusting horizontal and vertical timing The horizontal position slider adjusts output timing relative to the active analogue reference in steps of 37ns. The range of adjustment is one video line. The vertical position slider adjusts the output timing relative to the active analogue reference in steps of one video line.
  • Page 13 Crystal Vision Statesman DEC102SUser ManualV1.0 05/11/03...

  • Page 14: Using The Front Control Panel

    At power up, the two line 20-character screen will display ‘Crystal Vision’ followed by the firmware version number for the control panel. All eight control panel key LEDs will illuminate.
  • Page 15 When the desired card is selected press the ENTER key to access that card’s HOME menu. If remote control has been enabled, the control panel will then enter card mode and communicate with the DEC102S at the node number last displayed in the available cards list. The DEC102S home menu...
  • Page 16 • Rotary control – shaft encoder used to select options or variable data Note: Please refer to the Crystal Vision Control Panel manual for details of the Panel Setup, Lock Panel and Diagnostic menus. Updating the display The values displayed on an active front panel are only updated when an adjustment is made and when changing menu level.

  • Page 17: The Dec102S Menu Structure

    LEVEL (Level adjustment) – press F2 • TIME (Input/output timing and phase) – press F4 The following chart shows the available DEC102S menus. The actual menus available may vary slightly as software is updated. The DEC102S menu tree Function keys and shaft encoder LEDs are illuminated when active.

  • Page 18: Selecting Video Standard And Decoder Modes

    Crystal Vision Using the front control panel Selecting video standard and decoder modes Press F1 from the home menu to display the configuration menu with the following options: • Video standard selection • VBI pass/blank select • Decoder mode display •...
  • Page 19 Crystal Vision Using the front control panel Decoder mode Press F1 to switch the input between COMP for a composite input signal and Y/C for an S-Video input signal. Press F2 to switch through AUTO, 8 bit and 10 bit. AUTO allows the board to switch to the appropriate bit mode based on the input signal timing stability.

  • Page 20: Setting Gain And Black Level

    Crystal Vision Using the front control panel Setting gain and black level Press F2 from the home menu to display the top Level menu providing the following functions: • Luminance gain and black level • Chrominance gain The gain and offset adjustments are independent for 8 and 10 bit modes as well as Composite and Y/C modes.
  • Page 21 Crystal Vision Using the front control panel Setting chrominance gains Select the 'CHROMA' menu to allow the chrominance gains for the current mode to be adjusted. Press the 'F1' button to allow the shaft encoder to adjust the combined chrominance gain from 0 to 200%.

  • Page 22: Adjusting Signal Timing

    Crystal Vision Using the front control panel Adjusting signal timing Press F4 from the home menu to display the Timing menu, which provides the following timing functions: • Output timing relative to the external reference • Chroma phase relative to burst (10 bit mode only) •...
  • Page 23 Crystal Vision Using the front control panel Adjusting horizontal and vertical timing Increasing the vertical position setting will delay the output relative to the reference in increments of one video line. Press the 'F1' button to allow the shaft encoder to adjust the vertical output timing.

  • Page 24: Card Edge Operation

    Card edge operation 4 Card edge operation The control of the DEC102S will always follow the last control surface used. For example, if a card edge lever is moved the unit will switch to and remain in the ‘Local Control Mode’. If Statesman or any control panel menu is used, then the unit will switch to and remain in the ‘Remote Control Mode’.

  • Page 25: Setting Video Standard And Decoder Options

    Crystal Vision Card edge operation Setting video standard and decoder options The four-lever switch to the left of the card edge matrix display is used to configure the main options in conjunction with on-board jumper links: • 10 bit or 8 bit processing •...
  • Page 26 Crystal Vision Card edge operation Setting decoder modes There are four decoder modes, selected by a combination of four-lever switch, Adjust control and on-board jumpers: • 10 bit composite – uses a line-based comb decoder, which mixes to simple decoder when the comb would produce artefacts •...

  • Page 27: Setting Gain And Black Level

    Crystal Vision Card edge operation Setting gain and black level Use rotary switch (SEL) positions 0 to 4 and the shaft encoder to change the following: • Luminance gain and offset (black level) • Chrominance gains The gain and offset adjustments are independent for 8 and 10 bit modes as well as Composite and Y/C modes.

  • Page 28: Adjusting Signal Timing

    Crystal Vision Card edge operation Adjusting signal timing Use rotary switch (SEL) positions 5, 6, 8 and 9 together with the shaft encoder to change the following: • Output timing relative to the active reference • Chroma phase relative to burst (10 bit mode only) •...
  • Page 29 Crystal Vision Card edge operation composite or Y/C input. In 8-bit mode the output is timed to a free running factory set clock. The following tables summarises the possible output timing reference sources: Active timing reference Ext Ref Mode External analogue input...

  • Page 30: Setting 525 (Ntsc) Setup

    Crystal Vision Card edge operation Adjusting input video timing The horizontal delay adjustment varies the timing of the input video relative to input syncs and blanking in 10-bit mode whichever source is the active reference. Mode Input video timing 10 bit...
  • Page 31 Crystal Vision Card edge operation DEC102SUser ManualV1.0 05/11/03...

  • Page 32: Hardware Installation

    5 Hardware installation The DEC102S single height module uses the RM01, RM18 and RM02 rear connector and fits into all Crystal Vision rack frames. All modules can be plugged in and removed while the frame is powered without damage. 5.1 Rear modules and signal I/O The FR2AV and Indigo 2U frame will house up to 12 single height modules and dual power supplies.

  • Page 33: Rm02

    No card fits in 3, 7 or 11 Note: Three DEC102S cards can be fitted to each RM02 rear module. Card 1 fits in the top position, card 2 in the second from the top and card 3 fits in the lowest slot position.

  • Page 34: Rm18

    • 6 DEC101S modules per FR2AV frame Odd numbered slots can be used Note: One DEC102S cards can be fitted to each RM18 rear module, but only odd numbered slots can be used. General Label Function (ZLA00158) Not used Serial Digital Ouput (1).

  • Page 35: Fr1-6, Fr2-12 And Fr2-8 Frame Rear Connectors

    Analogue Y plus sync input (active in Y/C input mode) V/R/OPC TTL pulse output for audio follow delay SYNC/OPD Composite Sync (B & B) input Note: There are no GPI connections for the DEC102S FR2-8 connections Description SDI/1 Serial Digital Ouput (1). Serial Digital Output (2) Y/G/OPA Analogue Composite Video or C input.

  • Page 36: Module Configuration

    Hardware installation 5.3 Module configuration The DEC102S has jumper links and analogue gain adjustments present on the module PCB. Many of the jumper links are set in conjunction with the front card edge controls. Analogue gain settings are pre-set at the factory and should not require re-adjustment.

  • Page 37: Setting Node Addresses

    Hardware installation Setting node addresses Most Crystal Vision cards have their unique node or card location address assigned automatically by the panel processor based on the slot occupied in the frame and the range address setting of the frame. Two ranges are provided to allow one control panel to control two frames.

  • Page 38: Trouble Shooting

    6 Trouble shooting Card edge monitoring Once the start-up initialisation procedure is complete, the DEC102S can be controlled or configured from the card edge, from an active control panel or the Statesman PC interface. This chapter will concentrate on the card edge monitoring LEDs.
  • Page 39 Crystal Vision Trouble shooting The card no longer responds to Statesman/front panel control Check that the card is seated correctly and that the Power OK LED is lit Check that the card-edge Rx and Tx LEDS flash (Comms LED in an Indigo frame) when...

  • Page 40: Specification

    Crystal Vision Specification 7 Specification General Dimensions 100mm x 266 mm module with DIN 41612 connector Weight 200g Power consumption Inputs Analogue video input Composite or Y/C video input, 1 volt with syncs 625 line PAL or 525 line NTSC Analogue reference Analogue black and burst, mixed syncs or video.
  • Page 41 Crystal Vision Specification Ordering information DEC102S 10 bit PAL/NTSC or Y/C to SDI adaptive comb decoder with TBC/framestore Indigo 2 2U frame without active control panel for up to 12 modules Indigo 1 1U frame without active control panel for up to 6 modules...

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