Crystal Vision ARC102 Manuel utilisateur

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

ARC102

Aspect ratio converter

ARC102 User Manual R1.4 Crystal Vision

126/02/2007

Contents

1 Introduction 3

2 Installing Statesman 5

3 Statesman operation 6

3.1 Controlling image size and cropping 7

Status 8

3.2 Fixed conversions and presets 9

Fixed aspect ratio presets 9

3.3 Saving and recalling presets 10

4 Using the active control panel 11

Selecting the ARC102 12

Navigating the display 13

Using the shaft encoder 13

4.1 The ARC102 active panel menu structure 14

Shorthand codes 14

4.2 Selecting fixed aspect ratios 15

Fixed aspect ratio presets 15

4.3 Creating user ratios 17

4.4 Cropping the output picture 18

4.5 User memories and status 19

Saving and recalling presets 19

5 Card edge operation 20

5.1 Using the 8-way switch controls 20

Local/remote settings 21

ARC102 User Manual R1.4 Crystal Vision

226/02/2007

Local only settings 21

6 Hardware installation 25

6.1 Rear modules and signal I/O 25

FR2AV, FR1AV & DTBAV rear connector 25

Rear module connections with RM01: 25

Rear module connections with RM02: 26

FR1-6, FR2-12 and FR2-8 frame rear connectors 27

6.2 Frame GPI connections 28

7 Configuration 31

Node addresses, and other board links 31

General purpose interface 31

Using GPI lines for serial control 32

Active panel and Statesman control 33

8 Problem solving 34

9 Specification 36

Revisions

1.0

1.1 Preset assignments corrected on page 22

1.2

1.3 GPI information added to pages 31 & 38

1.4 Recall with GPIs information updated for software revision 2.54 onwards

Crystal Vision Introduction

1 Introduction

The ARC102 is a digital aspect ratio converter for 625/525 SDI video.

Two main operational modes are available: preset mode and user mode. In preset mode, 7

factory presets are available. Three presets convert from a 16:9 input video aspect ratio to

a 4:3 output aspect ratio and three presets convert from a 4:3 input video aspect ratio to a

16:9 output aspect ratio. The six factory presets provide a balance between picture loss

and black bars whilst preserving picture geometry. The remaining preset passes the

incoming video unconverted.

The output picture can be cropped in both user and fixed modes. In user mode, the aspect

ratio and the image position is continuously variable. Up to eight user set-ups can be

stored and recalled.

The ARC102 is controllable from board edge, Statesman or from local or remote panels.

GPI selection of both factory and user presets is also provided.

ARC102 Aspect Ratio Converter

The main features are as follows:

•8 bit digital aspect ratio converter

•100mm x 266mm module allows 12 ARC102s in 2U

•6 factory presets and 8 user defined presets

•Continuous horizontal and vertical compression and expansion

•Horizontal and vertical offsets of picture

•Vertical and horizontal cropping

•EDH generation

•GPI selection of presets

•Passes 10 bit embedded audio or data with same delay as picture

•Card edge, active/remote panel and Statesman control options

Crystal Vision Introduction

Horizontal and vertical offsets of the picture allow, for example, the easy addition of

subtitles, whilst unlimited vertical and up to 255 horizontal luminance pixel cropping is

provided for cleaning up the edges of the picture and removing unwanted material.

There is automatic 625/525 line standard detection and EDH can be added to the output.

Embedded digital audio and 10-bit ancillary data is passed through unprocessed. There is

a fixed propagation delay of one field between input data and output data.

ARC102 Factory Presets 1-6

The ARC102 is a 100mm x 266mm module, which fits in the three standard frames and

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

RM01 single height rear connector and the RM02 triple height rear connector when used

in a FR2AV or 2U Indigo frame.

Crystal Vision Installing Statesman

2Installing 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 the ARC102 with the benefit of see-at-a-glance status

monitoring. Most functions can be accessed from Statesman menus.

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

active control panel. An active panel must be fitted to allow for Statesman control.

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 Remote 2 connector on an

FR1AV or FR2AV Crystal Vision frame with at least one ARC102 module

and/or other Statesman compatible module

•An active control panel MUST be fitted to the frame with version 1.50 or above

firmware

•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 operation

3 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.

Crystal Vision Statesman operation

3.1 Controlling image size and cropping

The size and position tab provides access to the following user controls

•Variable horizontal and vertical size and position

•Variable vertical and horizontal picture cropping

Size, position and cropping controls

Size

Click with the mouse in the horizontal size trackball to vary horizontal size by –50% to +

200% giving a possible horizontal expansion of between half and twice original size.

Horizontal size is varied with respect to the left picture edge, only the right edge moves

Click with the mouse in the vertical size trackball to vary vertical size between - 50% and

+ 200% giving a possible vertical expansion of between half and twice original size.

Vertical size is varied with respect to the top picture edge, only the bottom edge moves.

Use the coarse or fine check boxes to vary the control sensitivity. Press the CAL button to

calibrate the horizontal and vertical size and position to 100% with no cropping.

Position

Click with the mouse in the horizontal position trackball to vary horizontal position and

click with the mouse in the vertical position trackball to vary vertical position.

Use the coarse or fine check boxes to vary the control sensitivity. Press the CAL button to

calibrate the horizontal and vertical size and position to 100% with no cropping.

The picture width and height adjustments range from 50% to 200%. The horizontal and

vertical offsets range from –100% to 100%. When the image width and/or height image

size is greater than 100% and the offset is negative, the operator can scan over the input

image. When the image width and height is less than 100% and the offset is positive, the

operator can pan over the input image.

Tip: The position controls are interactive with the size controls and some values are not

permissible. If the position or size controls do not work as expected, try recalling a no

conversion fixed preset as a starting point.

Values may be different in remote mode and local mode and are retained through power

down, and restored when the unit is powered up.

Crystal Vision Statesman operation

Picture cropping

Horizontal and vertical crop can be added to the displayed image by using the crop

sliders.

The amount of horizontal and vertical cropping is shown in green if the 'Crop Edge

Display Enable' box is checked. This helps to show the amount of crop that will be used.

Crop settings are stored automatically and remain static during user picture size

adjustment.

To set crop values to the default value of zero right click on a slider and choose calibrate.

Status

The Size and Position tab provides access to the following status information

•Input presence/standard

•EDH status

Size, position and cropping control

The following table summarises the status indicators and the colours used:

Indicator Colour and status

Input presence Green: input present

Red: input absent

Input 625 Yellow: 625 input detected

Grey: 625 not detected

Input 525 Yellow: 525 input detected

Grey: 525 not detected

EDH enabled Yellow: enabled

Grey: disabled

Note: EDH refers to the addition of EDH to the output and can only be enabled at the card edge.

Crystal Vision Statesman operation

3.2 Fixed conversions and presets

The Presets and Eng tab provides access to fixed conversions.

Fixed Conversion (left pane)

Fixed aspect ratio presets

The No Conversion preset passes the source signal without any conversion.

Letter Box and 16:9 Full Screen presets convert a signal generated by a 16:9 source so

that it can be viewed on a 4:3 monitor with the geometry preserved.

Pillar Box and 4:3 Full Screen presets convert a signal generated by a 4:3 source so that it

can be viewed on a 16:9 monitor with the geometry preserved.

Preset Input Aspect Output Aspect Aspect Size

No Conversion 16:9/4:3 4:3/16:9 1.000 1.000

16:9 Letter Box 16:9 4:3 1.333 0.750

16:9 Full Screen 16:9 4:3 1.333 1.000

14:9 Letter Box 16:9 4:3 1.333 0.857

14:9 Pillar Box 4:3 16:9 0.750 1.167

4:3 Full Screen 4:3 16:9 0.750 1.333

4:3 Pillar Box 4:3 16:9 0.750 1.000

16:9 Letter Box converts the 16:9 source so the full source width is mapped to the 4:3

monitor width. The full source height is compressed to 75% of the output monitor height

to preserve the picture geometry. Horizontal black bands are added to the top and bottom

of the output picture.

16:9 Full Screen converts the 16:9 source so that the central 75% of the source width is

stretched to fit the full 4:3 monitor width. The source height does not need to be

compressed to preserve the picture geometry and no horizontal black bands are added to

the output picture.

14:9 Letter Box converts the 16:9 source so that the central 87.5% of the source width is

stretched to fit the full 4:3 monitor width. The full source height is compressed to 87.5%

of the output monitor height to preserve the picture geometry. Horizontal black bands

added to the top and bottom of the output picture.

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