Clover Systems DVX-4 Manuale utente

X-

-4

DVD / CD ANALYZER

OPERATING MANUAL

Version 3.1

DVX Instruction Manual

TABLE OF CONTENTS

INTRODUCTION ............................................................................................................................. 1

CONVENTIONS .............................................................................................................................. 1

INSTALLATION .............................................................................................................................. 2

USING DVX..................................................................................................................................... 3

THE MAIN WINDOW ...........................................................................................................................3

Disc Information...............................................................................................................................3

Disc Type...................................................................................................................................3

Number of Sessions....................................................................................................................3

Number of Tracks ......................................................................................................................3

Format.......................................................................................................................................4

Disc ID.......................................................................................................................................4

Block Size...................................................................................................................................4

UPC/EAN Code.........................................................................................................................4

MID code...................................................................................................................................4

Record Mode..............................................................................................................................4

Test Results.......................................................................................................................................5

Error Rates................................................................................................................................5

One-Second and Ten-Second Averaging (CDs Only)........................................................5

Sum1 and Sum8 Reporting (DVDs Only)..........................................................................5

Pass / Fail Indication ................................................................................................................5

Grade.........................................................................................................................................5

Subcode Skew (CD Data Discs Only)........................................................................................5

Postgap (CD Data Discs Only) .................................................................................................5

Verify .........................................................................................................................................5

Test Controls.....................................................................................................................................6

Start At / Stop At........................................................................................................................6

Start Button................................................................................................................................6

Stop Button ................................................................................................................................6

MSF Button (CD Only)..............................................................................................................6

Sectors Button (CD Only)..........................................................................................................6

Sum1, Sum8 Checkboxes (DVD Only).......................................................................................6

Analog Checkbox.......................................................................................................................6

Analog Only Checkbox (CDs Only)...........................................................................................6

Blank Test Checkbox .................................................................................................................6

QuickScanTM ..............................................................................................................................6

DVX Instruction Manual

The Status Bar...................................................................................................................................6

DISPLAYING ADDITIONAL DISC INFORMATION.........................................................................7

Table of Contents..............................................................................................................................7

CD Discs....................................................................................................................................7

DVD Discs.................................................................................................................................7

ISRC Codes ......................................................................................................................................7

CD Text ............................................................................................................................................8

Volume Descriptors..........................................................................................................................9

Summary of Results........................................................................................................................10

Disc Data ........................................................................................................................................10

SETTING OPTIONS.............................................................................................................................10

Drive Speed ....................................................................................................................................10

QuickScanTM ...................................................................................................................................10

Choosing the Best Test Speed ........................................................................................................10

Add Results to Spreadsheet ............................................................................................................11

Test Postgap....................................................................................................................................11

Get Write Mode..............................................................................................................................11

Include Validate..............................................................................................................................11

Enter User Info ...............................................................................................................................11

Automation .....................................................................................................................................11

Enable Automation..................................................................................................................11

Prompt for Filename ...............................................................................................................11

AutoPrint .................................................................................................................................11

Shake Disc ...............................................................................................................................12

Disable Reject..........................................................................................................................12

LOADING THE DISC ..........................................................................................................................12

Entering User Information..............................................................................................................12

MEASURING ERROR RATES............................................................................................................13

Setting the Start and Stop Points.....................................................................................................13

Selecting Which Tests to Run.........................................................................................................13

Starting the Test..............................................................................................................................13

Saving the Results...........................................................................................................................13

Saving Results to a Spreadsheet or Database .................................................................................14

Starting a New Test.........................................................................................................................17

Disc Grading System......................................................................................................................18

CD Discs..................................................................................................................................18

DVD Discs...............................................................................................................................19

Setting Pass / Fail Criteria...............................................................................................................19

How Good is Good Enough?..........................................................................................................20

DVX Instruction Manual

Changing the Alarm Settings Password..........................................................................................20

MAKING CHARTS ..............................................................................................................................20

Main Window Charts......................................................................................................................20

Single Charts...................................................................................................................................20

Print All Charts...............................................................................................................................21

Modifying the Charts......................................................................................................................22

Changing the Axes...................................................................................................................22

Changing the Line Style & Color ............................................................................................22

Other Chart Customization......................................................................................................22

LOADING IN SAVED DATA..............................................................................................................22

VERIFYING DATA..............................................................................................................................23

Disc to Disc.....................................................................................................................................23

Disc to Image..................................................................................................................................23

Verify with Offset...........................................................................................................................23

CREATING OR VALIDATING A DISC SIGNATURE .....................................................................24

Validating Audio Discs...................................................................................................................25

Clover Signature vs. MD5..............................................................................................................25

FORMAT TESTS..................................................................................................................................25

ISO9660..........................................................................................................................................25

Subcode Skew (CD Only) ..............................................................................................................25

Post Gap (CD Only)........................................................................................................................25

DISPLAYING DISC DATA .................................................................................................................25

CREATING A DISC IMAGE ...............................................................................................................26

PRINTING.............................................................................................................................................27

Printing a Summary........................................................................................................................27

Printing the Charts..........................................................................................................................27

CONTROLLING THE DRIVE.............................................................................................................30

MEASURING PIT GEOMETRY – THE KEY TO INTERCHANGABILITY....................................30

Analog Measurement Module.........................................................................................................30

Setting Analog Alarms.............................................................................................................30

Analog Calibration..................................................................................................................31

Making Analog Measurements with the AMM ........................................................................32

Focus Error / Tracking Error..................................................................................................33

Components of the HF Signal.........................................................................................................33

CD HF Signal..........................................................................................................................33

DVD HF Signal .......................................................................................................................34

Terminology.............................................................................................................................34

INTERPRETING THE RESULTS.................................................................................................. 36

DVX Instruction Manual

INTERPRETING ERROR RATES.......................................................................................................36

How CIRC Error Correction Works...............................................................................................36

Types of Errors...............................................................................................................................36

Why E32 is Considered Uncorrectable...........................................................................................37

How DVD Error Correction Works................................................................................................37

Summary of Error Names...............................................................................................................37

Errors Are Not ‘Things’..................................................................................................................38

How to Interpret the Error Charts...................................................................................................38

CD Errors................................................................................................................................40

DVD Errors .............................................................................................................................40

INTERPRETING HF SIGNALS ON CD..............................................................................................41

I11 ....................................................................................................................................................41

I3......................................................................................................................................................41

Asym & Beta ..................................................................................................................................41

Reflectivity......................................................................................................................................42

INTERPRETING HF SIGNALS ON DVD...........................................................................................42

I14/ I14H (Modulation)......................................................................................................................42

I3/ I14 (Resolution)...........................................................................................................................42

Asym & Beta ..................................................................................................................................42

Reflectivity......................................................................................................................................42

DVX QUALIFICATION DISCS...................................................................................................... 42

CALIBRATION ....................................................................................................................................43

QUALITY CONTROL BASICS ..................................................................................................... 44

WHAT IS DISC QUALITY? ................................................................................................................44

It's Worse Than You Think.............................................................................................................44

WHY TEST DISCS? .............................................................................................................................44

DVD / CD Duplicators ...................................................................................................................44

Manufacturers.................................................................................................................................44

Distributors.....................................................................................................................................44

Studios & publishers.......................................................................................................................44

End Users........................................................................................................................................45

HOW TO MEASURE DISC QUALITY...............................................................................................45

MAJOR CAUSES OF DISC FAILURE................................................................................................46

Quality Clues ..................................................................................................................................46

DISC DUPLICATION TIPS .................................................................................................................46

How to Test Blank Media...............................................................................................................46

Hints for Producing Good Discs.....................................................................................................46

DVX Instruction Manual

APPENDIX..................................................................................................................................... 48

LOGICAL BLOCKS AND SECTORS.................................................................................................48

CD Discs.........................................................................................................................................48

DVD Discs......................................................................................................................................48

How QuickScanTM works.......................................................................................................................48

MAINTENANCE AND SERVICE.......................................................................................................51

Trouble Shooting ...................................................................................................................................51

DVX Does Not Respond ................................................................................................................51

Registry Settings....................................................................................................................................51

DVX Test Times....................................................................................................................................52

SYSTEM SPECIFICATIONS...............................................................................................................52

DRIVE SPECIFICATIONS...................................................................................................................53

DRIVE ERROR CODES.......................................................................................................................54

Sense Code (ASC) and Additional Sense Code Qualifier (ASCQ) Descriptions..................................54

For Sense Key RECOVERED ERROR (1):...................................................................................54

For Sense Key NOT READY (2):..................................................................................................54

For Sense Key MEDIUM ERROR (3):..........................................................................................55

For Sense Key HARDWARE ERROR (4).....................................................................................55

For Sense Key ILLEGAL REQUEST (5): .....................................................................................55

For Sense Key UNIT ATTENTION (6):........................................................................................56

For Sense Key ABORTED COMMAND (B): ...............................................................................56

GLOSSARY................................................................................................................................... 57

INDEX............................................................................................................................................ 61

DVX Instruction Manual

TABLE OF FIGURES

Fig. 1 - DVX –4 Rear Panel............................................................................................................................2

Fig. 2 - DVX Main Window...........................................................................................................................3

Fig. 3 - CD Table of Contents........................................................................................................................7

Fig. 4 - ISRC on DVD ...................................................................................................................................8

Fig. 5 - CD Text.............................................................................................................................................9

Fig. 6 - Volume Descriptor............................................................................................................................9

Fig. 7 - Setting Options.................................................................................................................................10

Fig. 8 – Automation Settings ........................................................................................................................11

Fig. 9 - Disc Info Entry Dialog .....................................................................................................................13

Fig. 10 - Spreadsheet Format........................................................................................................................16

Fig. 11 - Alarm Settings Property Sheet .......................................................................................................20

Fig. 12 - Sample Single Chart.......................................................................................................................21

Fig. 13 - Sample Data Table .........................................................................................................................21

Fig. 14 - Sample All Chart............................................................................................................................22

Fig. 15 - Verify View....................................................................................................................................24

Fig. 16 - Sector Data on Disc........................................................................................................................26

Fig. 17 - Sample CD Summary Printout......................................................................................................28

Fig. 18 - Sample DVD Summary Printout....................................................................................................28

Fig. 19 - Analog Alarms Setting...................................................................................................................31

Fig. 20 - Analog Calibration .........................................................................................................................32

Fig. 21 - Analog View with AMM................................................................................................................33

Fig. 22 - DVD HF Eye Pattern......................................................................................................................34

Fig. 23 - CD HF Eye Pattern.........................................................................................................................35

Fig. 24 - Local Defect...................................................................................................................................39

Fig. 25 - Global Defect .................................................................................................................................39

Fig. 26 - “Good” DVD..................................................................................................................................41

Fig. 27 - Entering Calibration Constants.......................................................................................................43

Fig. 28 - CD Error Test with QuickScan.......................................................................................................49

Fig. 29 - CD Error Test without QuickScan .................................................................................................49

Fig. 30 - DVD Error Test without QuickScan ..............................................................................................50

Fig. 31 - DVD Error Test with QuickScan ...................................................................................................50

Fig. 32 – CD and DVD Test Times...............................................................................................................52

DVX Instruction Manual 1

INTRODUCTION

The Clover Systems DVX-4 is an affordable high-speed tool to quantitatively measure the quality of DVD and CD

discs. It will analyze DVD discs at up to 16X, and CDs at up to 48X. The exclusive QuickScan feature further reduces

test time by up to 10 times.

DVX measures disc quality by examining the quantity and severity of errors generated during playback. It can also

automatically measure analog parameters related to pit geometry, including reflectivity, modulation (I14 / I14H ),

resolution (I3/ I14), I11 / Itop, I3 / Itop, beta, jitter, focus error, and tracking error. Together, this information provides a

thorough analysis of disc quality. Also see the section titled INTERPRETING THE RESULTS on pg. 35.

DVX-4 consists of the DVX high-speed DVD / CD Analyzer, AMM-1 Analog Measurement Module, and small form

factor Windows PC. It is a self-contained, portable system.

USB and PS2 ports can accommodate a keyboard and mouse. A 10/100/1000 MB/s Ethernet port is also included for

connection to a network.

DVX can perform various format-checking tests on data discs, and do bit-for-bit data comparison on all types of DVDs

and CDs.

On CDs, DVX automatically measures and displays BLER (Block Error Rate), E11, E21, E31, E12, E22, and E32

(uncorrectable errors)1, as well as Reflectivity, I11/Itop, I3/Itop, Beta, Focus Error, Tracking Error, and Jitter. Both

average values and peak values are displayed for each parameter. For E22 and E32, the TOTAL count is displayed in

addition to average and peak.

On DVDs, DVX measures and displays PI bytes, PO bytes, PIE, POE, PIF, POF, and UNCR (uncorrectable blocks). In

addition to peak and average values, the total number of each type of error is also displayed. Reflectivity, modulation

(I14 / I14H ), resolution (I3/ I14), beta, jitter, focus error, and tracking error are also automatically measured and

displayed.

The built in grading system assigns a quality grade (A-F) based on the results of the test.

The DVX software is a Windows program that will run under Windows 2000 / XP / Vista / 7. It gathers data from the

DVX, and displays the data in the form of charts and statistics for the whole disc, and prints a summary of the results.

CONVENTIONS

The following document conventions are used throughout this manual:

CAPITAL LETTERS Represent filenames, directory names, or drive letters.

Initial Capitals Represent names of programs, menus, dialog boxes, buttons, and named windows.

Italic Represent menu commands.

1See HUncorrectableH on Pg. 37

INSTALLATION

The DVX-4 installation is nothing more than connecting the power cord, keyboard, mouse, monitor., and printer.

Everything is connected internally and fully calibrated. These connections are made just like an ordinary PC. DVX-4

can be powered from AC line voltages from 90VAC to 260VAC, 50 / 60 Hz.

The On / Off switch is on the right hand side of the chassis.

Fig. 1 - DVX –4 Rear Panel

2 DVX Instruction Manual

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