Crystal Vision DEC104S User manual

Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.

E-mail: [email protected] Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059

DEC104S

Composite or Y/C to SDI decoder

DEC104S User Manual R1.0 Crystal Vision

129/10/04

Contents

1Introduction 3

Operating modes 4

Output timing 4

Audio follow pulse 4

General Purpose Interface (GPI) 5

2Statesman 8

2.1 Installing Statesman 8

2.2 Statesman operation 9

Configuration 10

Gain, black level and phase adjustment 12

Timing adjustment 13

3Using the front control panel 15

The DEC104S menu structure 17

Selecting video standard and decoder modes 18

Setting gain and black level 19

Adjusting signal timing 21

4Card edge operation 24

Card edge controls 24

Displaying module type and firmware 24

Setting video standard and decoder options 25

Setting gain and black level 26

Adjusting signal timing 27

Setting 525 (NTSC) Setup 30

Restoring factory defaults 30

DEC104S User Manual R1.0 Crystal Vision

229/10/04

5Hardware installation 31

5.1 Rear modules and signal I/O 31

RM01 31

RM23 32

RM24 32

RM25 33

RM27 34

5.2 Module configuration 34

Loop or terminate the composite input 34

Loop or terminate the external reference 35

6Trouble shooting 36

Card edge monitoring 36

Fault finding guide 36

7Specification 38

Crystal Vision Introduction

DEC104S User Manual R1.0 329/10/04

1Introduction

The DEC104S 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.

The decoder is fitted with a 3 line adaptive comb decoder and Crystal Vision’s own

bandsplit decoder which gives excellent decoding without the artefacts of a comb. This is

recommended when using broadcast PAL material. It is also designed to accommodate

jittery or damaged signals and will automatically switch to its tolerant 8 bit decoder mode

when a non-stable signal is received.

The main features are as follows:

•compact single height module

•converts composite or Y/C signals to SDI

•frame synchroniser

•10 bit adaptive comb and PAL bandsplit filtering plus 8 bit input modes

•automatic or manual PAL/NTSC standard selection

•adjustable timing, gain and black level

•audio follow pulse for audio to video delay tracking

•GPI outputs for 8 bit lock, ref present, std & audio follow pulse

•loop or terminate external analogue video reference input

•card edge, Statesman and remote control facilities

SDI

output

x 4

The DEC104S analogue composite or Y/C to serial digital video decoder

Crystal Vision Introduction

DEC104S User Manual R1.0 429/10/04

The DEC104S is a 100mm x 266mm module, which fits in the all standard frames and

can be integrated with any boards from the company’s full product range. It uses the

single height RM01, RM23, and RM24, double height RM27 and triple height RM25 rear

connectors in Indigo and other Crystal Vision frames.

Operating modes

To provide optimum performance with a wide range of sources the DEC104S can operate

in a number of different modes.

Input modes Description

10 bit comb PAL/NTSC

composite Uses a line-based comb decoder, which mixes to simple decoder

when the comb would produce artefacts.

10 bit bandsplit PAL

composite High quality analogue bandsplit mode provides best results when

PAL material is unsuitable for line-based comb.

10 bit Y/C (S-video) Suitable for use with well-timed PAL sources.

8 bit composite

8 bit Y/C (S-video)

All 8 bit modes use a robust simple decoder. These highly tolerant

modes are particularly suitable for use with poorly timed sources

such as VHS recorders or satellite feeds.

Note: The Y/C input filtering is designed for PAL, use the DEC102S for NTSC Y/C inputs.

Each operating mode has its own luminance and chrominance gain, offset and phase

settings and both 525 and 625 line standards have separate horizontal and vertical timing

settings. All these parameters are automatically maintained when power is cycled.

Output timing

Horizontal and vertical timing adjustments are provided that operate relative to one of

three analogue timing references. These are an external reference, the video input or an

internal free-running clock. The external reference can be video or composite syncs

although a composite black and burst plus 300mV syncs into 75 Ohm as per EBU N14-

1988 is preferred.

If no analogue reference is provided the board will either time itself relative to the

composite or Y/C video input in 10 bit modes, or it will time its output to a free running

clock in 8 bit modes.

A horizontal offset 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.

Audio follow pulse

To allow an audio delay to track the video delay through the DEC104S, a TTL level pulse

is provided. This audio follow pulse is available from GPI5 and the RM27 rear module.

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.

Crystal Vision Introduction

DEC104S User Manual R1.0 529/10/04

General Purpose Interface (GPI)

The DEC104S, as with most Crystal Vision modules, is equipped with GPI control I/O.

GPI Low (<1V) High (+5V)

0‘a’ No connect

1‘b’ 8 bit lock Lose of 8 bit lock 8 bit locked

2‘c’ No connect

3‘d’ Reference present No reference present Reference present

4‘e’ Input standard 625 525

5‘f’ Audio follow pulse Pulse width equal to audio delay

As supplied, each GPI output has a 330ohm resistor in series with its output. This allows

for an external LED to be driven, connected to a dc voltage of +5V.

4U frame GPI Connections

GPI lines ‘a’ to ‘f’ of each card connect to one of eight rear remote connectors as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

38 (3) 9 (3) 18 (3) 26 (3) 19 (4) 20 (4)

47 (3) 16 (3) 17 (3) 25 (3) 10 (4) 11 (4)

55 (1) 6 (1) 15 (1) 24 (1) 1 (2) 2 (2)

64 (1) 14 (1) 13 (1) 23 (1) 3 (2) 4 (2)

75 (3) 6 (3) 15 (3) 24 (3) 1 (4) 2 (4)

84 (3) 14 (3) 13 (3) 23 (3) 3 (4) 4 (4)

93 (1) 12 (1) 22 (1) 21 (1) 12 (2) 13 (2)

10 10 (1) 11 (1) 19 (1) 20 (1) 21 (2) 22 (2)

11 3 (3) 12 (3) 22 (3) 21 (3) 12 (4) 13 (4)

12 10 (3) 11 (3) 19 (3) 20 (3) 21 (4) 22 (4)

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (5) 9 (5) 18 (5) 26 (5) 19 (6) 20 (6)

27 (5) 16 (5) 17 (5) 25 (5) 10 (6) 11 (6)

38 (7) 9 (7) 18 (7) 26 (7) 19 (8) 20 (8)

47 (7) 16 (7) 17 (7) 25 (7) 10 (8) 11 (8)

55 (5) 6 (5) 15 (5) 24 (5) 1 (6) 2 (6)

64 (5) 14 (5) 13 (5) 23 (5) 3 (6) 4 (6)

75 (7) 6 (7) 15 (7) 24 (7) 1 (8) 2 (8)

84 (7) 14 (7) 13 (7) 23 (7) 3 (8) 4 (8)

93 (5) 12 (5) 22 (5) 21 (5) 12 (6) 13 (6)

10 10 (5) 11 (5) 19 (5) 20 (5) 21 (6) 22 (6)

11 3 (7) 12 (7) 22 (7) 21 (7) 12 (8) 13 (8)

12 10 (7) 11 (7) 19 (7) 20 (7) 21 (8) 22 (8)

Table shows pin number (Remote number)

UpperLower

Crystal Vision Introduction

DEC104S User Manual R1.0 629/10/04

Note: Remote 1, Remote 3, Remote 5 and Remote 7 are 26 way high density D-Type female

sockets and frame ground is pin 2 and +5V @500mA is pin 1 in each case.

Remote 2 and Remote 4 are 26 way high density D-Type male plugs and frame ground is

pin 6 and +5V @500mA is pin 15 in each case.

2U frame GPI Connections

GPI lines ‘a’ to ‘f’ of each card connect to one of four rear remote connectors as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

38 (3) 9 (3) 18 (3) 26 (3) 19 (4) 20 (4)

47 (3) 16 (3) 17 (3) 25 (3) 10 (4) 11 (4)

55 (1) 6 (1) 15 (1) 24 (1) 1 (2) 2 (2)

64 (1) 14 (1) 13 (1) 23 (1) 3 (2) 4 (2)

75 (3) 6 (3) 15 (3) 24 (3) 1 (4) 2 (4)

84 (3) 14 (3) 13 (3) 23 (3) 3 (4) 4 (4)

93 (1) 12 (1) 22 (1) 21 (1) 12 (2) 13 (2)

10 10 (1) 11 (1) 19 (1) 20 (1) 21 (2) 22 (2)

11 3 (3) 12 (3) 22 (3) 21 (3) 12 (4) 13 (4)

12 10 (3) 11 (3) 19 (3) 20 (3) 21 (4) 22 (4)

Table shows pin number (Remote number)

Note: Remote 1 and Remote 3 are 26 way high density D-Type female sockets and frame

ground is pin 2 and +5V @500mA is pin 1 in each case.

Remote 2 and Remote 4 are 26 way high density D-Type male plugs and frame ground is

pin 6 and +5V @500mA is pin 15 in each case.

1U frame GPI connections

GPI lines ‘a’ to ‘f’ of each card connect to one of two rear remote connectors as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

35 (1) 6 (1) 15 (1) 24 (1) 1 (2) 2 (2)

44 (1) 14 (1) 13 (1) 23 (1) 3 (2) 4 (2)

53 (1) 12 (1) 22 (1) 21 (1) 12 (2) 13 (2)

610 (1) 11 (1) 19 (1) 20 (1) 21 (2) 22 (2)

Table shows pin number (Remote number)

Note: Remote 1: 26 way high density D-Type socket. Frame ground is pin 2 and +5V @500mA is

pin 1.

Remote 2: 26 way high density D-Type plug. Frame ground is pin 6 and +5V @500mA is

pin 15.

Crystal Vision Introduction

DEC104S User Manual R1.0 729/10/04

DTB-AV Desk Top Box GPI connections

GPI lines ‘a’ to ‘f’ of each card connect to the rear remote connector as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

11 2 3 4 5 6

29 10 11 12 13 14

Note: Remote connector is 15 way normal density D-Type socket. Frame ground is pin 15.

Indigo DT Desk Top Box GPI connections

GPI lines ‘a’ to ‘f’ of each card connect to the rear remote connector as follows:

Slot no. ‘a’ pin ‘b’ pin ‘c’ pin ‘d’ pin ‘e’ pin ‘f’ pin

18 (1) 9 (1) 18 (1) 26 (1) 19 (2) 20 (2)

27 (1) 16 (1) 17 (1) 25 (1) 10 (2) 11 (2)

Table shows pin number (Remote number)

Note: Remote 1: 26 way high density D-Type socket. Frame ground is pin 2 and +5V @500mA

is pin 1.

Remote 2: 26 way high density D-Type plug. Frame ground is pin 6 and +5V @500mA is

pin 15.

Crystal Vision Statesman

DEC104S User Manual R1.0 829/10/04

2Statesman

The Crystal Vision Statesman PC control software is designed to control a range of

Crystal Vision modules via serial control from a PC.

The main Statesman application communicates with each module in a frame through an

active control panel with or without an LCD display. Statesman will not normally be able

to detect modules used in a frame with only a passive front panel.

2.1 Installing Statesman

Minimum pre-requisites:

•A PC running Windows 98, NT4 with SP 5 or higher Windows 2000 or

Windows XP

•A parallel port dongle supplied with the Statesman software package

•An RS422 serial connection from the host PC to the Indigo frame control input

or to Remote 2 connector on an FR1AV or FR2AV Crystal Vision frame with

at least one DEC104S module and/or other Statesman compatible module

•An active control panel MUST be fitted to the frame with version 1.63 or above

firmware – if it is an Indigo frame the firmware must be V1.04 or above

•An optional RS422 to RS232 converter if the PC has no RS422 ports

Installing Statesman

•Refer to the readme and/or help file on the CD before proceeding

•To view all application windows, set graphics resolution to at least 1024 x 768

•Remove any previous version of the Statesman software using the Add/Remove

Programs application in the Windows Control Panel

•Ensure that the Statesman dongle is fitted to the parallel port of the host PC

•Insert the Statesman CD and the installation should start immediately – if it

does not, run the setup.exe file on the CD

•Obey any installation program prompts and restart the PC when prompted

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. It will also need to know which computer port is being used to connect to a

Crystal Vision frame(s).

Note: For further details of Statesman configuration please refer to the Statesman manual.

Crystal Vision Statesman

DEC104S User Manual R1.0 929/10/04

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. Frame and module icons can be named as

desired by right-clicking or using the edit menu and choosing rename.

To aid user recognition of module and frame status quickly, the following colour and size

coding is used:

•A module is shown present by full colour and absent by greyed colour

•A module is shown open by large icon size and closed by small icon

•A module is the source of an active alarm if red and not alarmed if green

Double-clicking on a module will enable the display of the main application menus.

Statesman main application window

The two large control panes shown in the upper and lower halves of the window may

display different menus for the same card, or controls for different cards. Click on the

horizontal button-bar between the two panes to close the lower plane or drag the button to

vary the size of the panes.

Note: For further details of Statesman configuration and operation please refer to the Statesman

manual.

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