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Crystal Vision DEC103S User Manual

Composite or y/c to sdi decoder
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DEC103S
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 DEC103S

  • Page 1 DEC103S 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 DEC103s menu structure Selecting video standard and decoder modes Setting gain and black level Adjusting signal timing 4 Card edge operation...
  • Page 3 Crystal Vision DEC103SUser ManualV1.5 Setting 525 (NTSC) Setup Restoring factory defaults 5 Hardware installation 5.1 Rear modules and signal I/O RM01 RM02 RM18 5.2 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 DEC103S 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 DEC103S, 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 – simple or comb/bandsplit filter decoding • Comb/Bandsplit – use Bandsplit if input unsuitable for comb filter •...
  • 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. When the input is NTSC the Y/C mode automatically sets the module into 8 bit mode Comb/Bandsplit Select decoder quality setting –...

  • 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: 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 14 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 DEC103S at the node number last displayed in the available cards list. The DEC103s home menu...
  • Page 15 Device menu • Rotary control – shaft encoder used to select options or variable data Please refer to the Crystal Vision Control Panel manual for details of the Panel Setup, Note: 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 16: The Dec103S Menu Structure

    LEVEL (Level adjustment) – press F2 • TIME (Input/output timing and phase) – press F4 The following chart shows the available DEC103s menus. The actual menus available may vary slightly as software is updated. The DEC103s menu tree Function keys and shaft encoder LEDs are illuminated when active.

  • Page 17: 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 selection •...

  • Page 18: Setting Gain And Black Level

    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 19: Adjusting Signal Timing

    Crystal Vision Using the front control panel Setting luminance gain and black level Select the 'LUMA' menu to allow the luminance gain and offset (black level) for the current mode to be adjusted. Press the 'F1' button to allow the shaft encoder to adjust the luminance gain. The shaft encoder LED will illuminate and an asterisk will appear on the display next to 'Y GAIN'.
  • Page 20 Crystal Vision Using the front control panel Different horizontal and vertical timing adjustments can be maintained for 625 and 525 line operation. However, the horizontal delay is common to both 525 and 625. Settings are automatically maintained when the unit is powered off and restored when the unit is powered back on.
  • Page 21 Crystal Vision Using the front control panel Adjusting chroma phase Press the 'F3' button to the shaft encoder to adjust the chroma phase relative to burst. This adjustment is available in 10-bit mode only. The shaft encoder LED will illuminate and an asterisk will appear on the display next to 'PHSE'.

  • Page 22: Card Edge Operation

    Card edge operation 4 Card edge operation The control of the DEC103S 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 23: 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 24 Crystal Vision Card edge operation Setting decoder modes There are five decoder modes, selected by a combination of the four-lever switch, Adjust control and on-board jumpers: • Comb – 10 bit adaptive comb decoder mode • Bandsplit – 10 bit HIGH QUALITY Bandsplit mode for PAL inputs only •...

  • Page 25: 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 COMB, Bandsplit and Y/C modes.

  • Page 26: 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 27 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 28: 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...

  • Page 29: Hardware Installation

    5 Hardware installation The DEC103S 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 30: Rm02

    No card fits in 3, 7 or 11 Note: Three DEC103S 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 31: Rm18

    • 6 DEC103S modules per FR2AV frame Odd numbered slots can be used Note: One DEC103S 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 32: Module Configuration

    Hardware installation 5.2 Module configuration The DEC103S 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 33: 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 34: Trouble Shooting

    6 Trouble shooting Card edge monitoring Once the start-up initialisation procedure is complete, the DEC103S 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 35 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 36: 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 37 Crystal Vision Specification Ordering information DEC103S 10 bit PAL/NTSC or Y/C to SDI adaptive comb decoder with TBC/framestore and additional ‘bandsplit’ decoding in PAL 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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