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Summary of Contents for Crystal Vision Indigo Q-Down
- Page 1 Q-Down Broadcast down converter and distribution amplifier 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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Page 2: Table Of Contents
Crystal Vision Q-Down User Manual Contents Introduction Hardware installation Module configuration Rear modules and signal I/O Rear module connections with RM34 Rear module connections with RM45 General Purpose Interface (GPI) Card edge operation Card edge controls Card edge buttons Reading card edge LEDs... - Page 3 Crystal Vision Q-Down User Manual Video properties Board status Analogue output format Output aspect ratio Vertical bandwidth Trouble shooting Card edge monitoring Basic fault finding guide Specification Revision 1 RM45 information added 16-04-08 Revision 2. Centre cut aspect ratio and selectable processing delay added.
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Page 4: Introduction
Crystal Vision Introduction 1 Introduction The Q-Down is a broadcast down converter and distribution amplifier with a short processing delay of 16 lines. Two reclocked input loop-throughs (eight with optional sub PCB fitted) are available along with three Standard Definition link selectable SDI/analogue outputs. The analogue outputs can be selected to give CVBS, Y/C, YUV or RGB. -
Page 5: Hardware Installation
Crystal Vision Hardware installation 2 Hardware installation 2.1 Module configuration There are six user settable links on the Q-Down - PL9, PL10 and PL11 on the PCB top side and PL6, 7 and 8 on the bottom side. PL9 and PL10 are used for selective NTSC pedestal and Betacam levels. -
Page 6: Rear Modules And Signal I/O
Crystal Vision Hardware installation Link configurations PCB top side Link Function Towards front 1-2 Towards rear 2-3 Betacam Betacam levels Normal levels PL10 Pedestal (NTSC) Pedestal applied (NTSC M) No pedestal applied (NTSC J) PCB bottom side Link Towards board edge 1-2... -
Page 7: Rear Module Connections With Rm34
Crystal Vision Hardware installation Rear module connections with RM34 The RM34 being a single height module will allow maximum packing density with the maximum number of outputs available. RM34 rear module connector Description RM34 • 24 Q-Down modules per Indigo 4 frame •... -
Page 8: General Purpose Interface (Gpi)
Crystal Vision Hardware installation 2.3 General Purpose Interface (GPI) 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. Low (<1V) High (+5V) ‘a’... - Page 9 Crystal Vision Hardware installation Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin 8 (5) 9 (5) 18 (5) 26 (5) 19 (6) 20 (6) 7 (5) 16 (5) 17 (5) 25 (5) 10 (6)
- Page 10 Crystal Vision Hardware installation 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)
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Page 11: Card Edge Operation
Crystal Vision Card edge operation 3 Card edge operation 3.1 Card edge controls Q-Down board edge 3.2 Card edge buttons The two tactile push button switches allow the operator to navigate within the menu structure. Function Button Aspect ratio Press to change aspect ratio (action on release). -
Page 12: Reading Card Edge Leds
Crystal Vision Card edge operation 3.3 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 13: Using The Front Control Panel
4.1 Module selected This operational guide assumes that the panel has been set up according to the panel setup procedure described in the Crystal Vision control panels manual. Note: It is ESSENTIAL that the panel setup procedure is followed and any old or unknown passwords cleared prior to using the panel for the first time. -
Page 14: Updating The Display
• 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. Selecting Q-Down To select a particular card in a frame, press the DEVICE key to go to the Device menu. -
Page 15: The Q-Down Active Panel Menu Structure
Crystal Vision Using the front control panel 4.2 The Q-Down active panel menu structure At any time the main top-level menu (Home) is obtained by pressing the HOME key. From the Home menu further selections can be made. Active function keys are indicated by illuminated, integrated LEDs. -
Page 16: The Q-Down Menu Tree
Crystal Vision Using the front control panel The Q-Down menu tree Note: Function key LEDs are illuminated when active. Output aspect ratio Pressing button F1 from the Home menu will allow the output aspect ratio to be selected. Note: Only functional with an HD input. -
Page 17: Analogue Video Output Format
Crystal Vision Using the front control panel Analogue video output format From the Home menu press F2 to make an output format selection. Output format menu Description From the Home menu, press F2 to select the output format menu. Press F2 to select and rotate the shaft control to view the options. -
Page 18: The Status Menu
Crystal Vision Using the front control panel The Status menu From the Home menu press F4 to view the Status menu. Status menu Description From the Home menu, press F4 to select the status menu. Rotate the shaft control to view the status information. -
Page 19: Statesman
Statesman 5 Statesman The Crystal Vision Statesman PC control software is designed to control a range of Crystal Vision modules via serial 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” status monitoring. -
Page 20: Video Properties
Crystal Vision Statesman 5.2 Video properties The Q-Down has only one tab. This tab which is divided into four group boxes shows the video properties and board status. Video properties and status monitoring Board status Input presence is shown with a simulated LED which will show green when a valid input is present and red when the input is missing. -
Page 21: Trouble Shooting
Crystal Vision Trouble shooting 6 Trouble shooting Card edge monitoring The front edge of the card provides useful power rail monitoring, input status, vertical filter and analogue output format. Q-Down front edge view The following table summarises the card edge LED functions and colours:... -
Page 22: Basic Fault Finding Guide
Crystal Vision Trouble shooting Basic fault finding guide The Power OK LEDs are not illuminated Check that the frame PSU is functioning – refer to the appropriate frame manual for detailed information There is no video output Check that a valid SDI is present and that any cabling is intact... -
Page 23: Specification
Crystal Vision Specification 7 Specification General Dimensions 100mm x 266mm module with DIN 41612 connector Weight 180g Power consumption 10 W Inputs Video HD or SD SDI 270Mb/s or 1.485Gb/s serial digital compliant to SMPTE 259M and SMPTE 292M HD. Up to 140m with Belden 1694 or equivalent (Belden 8281 or equivalent up to 100m) SD (270Mb/s) >250 metres... - Page 24 Crystal Vision Specification Composite performance Processing: Video input is 10 bit processed for 12 bit output DACs Frequency response: Luminance: +/- 0.3dB to 5 MHz Chrominance: +/- 0.4dB to 2.5 MHz Noise: < -67dB weighted luminance or chrominance Differential gain: <...
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