evertz hd9084 Instruction Manual Download Page 14

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HD9084 HDTV Caption Encoder Manual

TABLE OF CONTENTS

5.2.3.

PART 3: Initiating Upgrade Mode ...................................................................................... 5-3

5.2.3.1.

Front Panel Upgrade Procedure ................................................................................. 5-3

5.2.3.2.

Power Cycle Upgrade Procedure ............................................................................... 5-4

5.2.4.

PART 4: Uploading the New Firmware .............................................................................. 5-4

5.2.5.

PART 5: Completing the Upgrade...................................................................................... 5-4

5.2.5.1.

Front Panel Complete Upgrade .................................................................................. 5-4

5.2.5.2.

Power Cycle Complete Upgrade ................................................................................. 5-5

5.3.

SERVICING INSTRUCTIONS .................................................................................................. 5-5

5.3.1.

Changing the Fuses........................................................................................................... 5-5

5.3.2.

Replacing the Battery ........................................................................................................ 5-5

5.3.2.1.

Safety Guidelines and Precautions concerning the Use of 3V Lithium Batteries ......... 5-6

5.3.2.2.

Procedure for Replacing the Battery ........................................................................... 5-6

CONFIGURATION AND TROUBLESHOOTING .........................................6-1

6.1.

Typical Configuration Examples ........................................................................................... 6-1

6.2.

Parallel GPI/O Port Example Applications ............................................................................ 6-2

6.2.1.

Automatic Upstream Caption Source Selection (defaults to HD-SDI) ................................. 6-2

6.2.2.

Automatic Upstream Caption Source Selection (defaults to SD-SDI) ................................. 6-2

6.2.3.

Disabling Teleprompter On Either Modem Or Telnet Connection ...................................... 6-3

6.3.

Answers to frequently asked questions ............................................................................... 6-4

6.3.1.

Can the HD9084 correct “illegal” captions? ........................................................................ 6-4

6.3.2.

Which Serial Port Should I Connect To? ............................................................................ 6-4

6.3.3.

There is No SD-SDI Video Present on the SD-SDI Output ................................................ 6-4

6.3.4.

There is No HD-SDI Video Present on the HD-SDI Output ................................................ 6-5

6.3.5.

How Do I Check if Captions are Being Processed? ........................................................... 6-5

6.3.5.1.

Control-A Protocol Test Using a Terminal Program .................................................... 6-5

6.3.5.2.

Composite Monitoring Output Check .......................................................................... 6-6

6.3.6.

There are No Captions Present Out of the ATSC Encoder ................................................ 6-6

6.3.7.

What Baud Rate and Port Settings Should I Use? ............................................................. 6-7

6.3.8.

How Do I Check the Logic Levels and Pinouts of the Serial Ports? .................................... 6-7

6.3.9.

How Do I Check the Status of My Power Supplies? ........................................................... 6-7

6.3.10.

Captions are not Being Encoded at All ........................................................................... 6-7

6.3.11.

Captions are not Being Encoded Correctly ..................................................................... 6-8

6.3.12.

How Can I Block Upstream Captions? ........................................................................... 6-8

6.3.13.

How Can I Pass Upstream Captions? ............................................................................ 6-8

6.3.14.

When Should I Use “Reset to Factory Defaults?” ........................................................... 6-8

6.3.15.

My Modem Connection Hangs-Up Unexpectedly ........................................................... 6-9

6.4.

Before You Call Evertz Technical Support............................................................................ 6-9

GLOSSARY ................................................................................................7-1

7.1.

Glossary of Standards ........................................................................................................... 7-1

7.2.

GLOSSARY OF TERMS .......................................................................................................... 7-2

USO

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Summary of Contents for hd9084

Page 1: ...ontained in this manual consists of information that is the property of Evertz Microsystems and is intended solely for the use of purchasers of the HD9084 Caption Encoder Evertz Microsystems expressly prohibits the use of this manual for any purpose other than the operation of the HD9084 caption encoder All rights reserved No part of this publication may be reproduced without the express written p...

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Page 3: ...he wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer Unplug this a...

Page 4: ... cause harmful interference in which case the user will be required to correct the interference at his own expense INFORMATION TO USERS IN THE U S A NOTE FCC CLASS A DIGITAL DEVICE OR PERIPHERAL This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmf...

Page 5: ... of which are on the label on the rear panel The REN is used to determine the number of devices you may legally connect to your telephone line In most areas the sum of the REN of all devices connected to one line must not exceed five 5 0 You should contact your telephone company to determine the maximum REN for your calling area The caption encoder may not be used on coin service provided by the t...

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Page 7: ...capabilities and references to SDI Input Source Oct 2008 1 12 3 Updated Composite Monitoring Output information Oct 2008 1 12 4 Added information regarding the GPI Message Inject feature Feb 2009 1 12 5 Updated section 3 5 1 Removed Fault Status information Jun 2009 1 12 6 Made changes to section 4 3 2 regarding Reset Encoder control Jul 2009 1 14 Updates throughout section 3 and 5 Updated FAQ sec...

Page 8: ...ly warranty offered by Evertz in relation to this product is the Evertz standard limited warranty stated in the sales contract or order confirmation form Although every attempt has been made to accurately describe the features installation and operation of this product in this manual no warranty is granted nor liability assumed in relation to any errors or omissions unless specifically undertaken ...

Page 9: ...ort A 2 2 2 1 4 2 Port B 2 2 2 1 4 3 Port C 2 3 2 1 4 4 Configuring Ports for RS 232 2 3 2 1 4 5 Configuring Ports for RS 422 2 4 2 1 5 Modems 2 6 2 1 6 Parallel I O DB15 Parallel I O Connector 2 6 2 1 7 Power Supply 2 6 2 2 Mounting 2 6 2 3 Parallel Remote Control Connections 2 6 2 4 GPI O Setup 2 7 2 5 Typical HD9084 Configurations 2 8 3 OPERATION 3 5 3 1 Front Panel Controls 3 5 3 1 1 Display P...

Page 10: ...play 3 12 3 2 5 1 Modem D or Modem E Cycling 3 13 3 3 Menu Overview 3 14 3 4 Video Setup Menu 3 15 3 4 1 Video Setup 3 16 3 4 1 1 HD Video Std 3 16 3 4 1 2 SD Video Std 3 17 3 4 2 SD Captions VANC 3 17 3 4 2 1 NTSC Line Select 3 17 3 4 2 2 PAL Line Select 3 17 3 4 2 3 Field 1 Keyer 3 17 3 4 2 4 Field 2 Keyer 3 17 3 4 2 5 Setup Shift 3 17 3 4 2 6 CEA 608 Test Msg 3 18 3 4 2 7 VANC CC Line Sel 3 18 ...

Page 11: ...der 3 26 3 5 5 PVR Data Block 3 27 3 6 Ports Setup Menu 3 28 3 6 1 Port x Setup x A B C D E F 3 29 3 6 1 1 Port x Mode 3 29 3 6 1 2 Port x Baud 3 30 3 6 1 3 Port x Comms 3 30 3 6 1 4 Port x Enable 3 30 3 6 1 5 Port x Rings 3 30 3 6 1 6 Inactive Timeout Port F only 3 30 3 6 1 7 Telnet Login Enable Port F only 3 30 3 6 1 8 Set Telnet Login Port F only 3 31 3 6 1 9 Set Telnet Password Port F only 3 3...

Page 12: ...s 3 40 3 9 1 Control A Protocol Fault Messages 3 40 3 9 2 SMPTE 333 Protocol Fault Messages 3 40 3 9 3 Caption Distribution Packet CDP Fault Messages 3 40 3 9 4 Input Caption Fault Messages 3 41 3 9 5 Serial Port Fault Messages 3 41 3 9 6 Dolby Metadata Fault Messages 3 42 3 9 7 System Fault Messages 3 42 4 CONTROL A SERIAL PROTOCOL 4 1 4 1 COMMAND QUICK REFERENCE 4 1 4 2 COMMAND SYNTAX DESCRIPTIO...

Page 13: ... 5 5 Inserting XDS Articles into Non Volatile Memory 4 19 4 6 COMM PORT CONTROL COMMANDS 4 19 4 6 1 Show Port Permission Maps 4 20 4 6 2 Alter Port Permission Maps 4 20 4 6 3 Show Port Active Maps 4 21 4 6 4 Alter Port Active Maps 4 21 4 6 5 Reset Port 4 22 4 7 GPI Message Inject 4 22 4 7 1 Managing Message Text 4 22 4 7 2 Activating Message Inject 4 22 4 7 3 Application Tips 4 23 5 TECHNICAL DESC...

Page 14: ... 6 3 Answers to frequently asked questions 6 4 6 3 1 Can the HD9084 correct illegal captions 6 4 6 3 2 Which Serial Port Should I Connect To 6 4 6 3 3 There is No SD SDI Video Present on the SD SDI Output 6 4 6 3 4 There is No HD SDI Video Present on the HD SDI Output 6 5 6 3 5 How Do I Check if Captions are Being Processed 6 5 6 3 5 1 Control A Protocol Test Using a Terminal Program 6 5 6 3 5 2 C...

Page 15: ...ple Using Assert and Deassert Delays 3 32 Figure 3 3 Time Setup Menu 3 34 Figure 3 4 General Setup Menu 3 36 Figure 6 1 HD9084 Typical Applications 6 1 Tables Table 3 1 Upstream Caption Source Selection 3 22 Table 3 2 CEA 708 Decoder Specifications and Limitations 3 27 Table 3 3 Port Mode Options 3 29 Table 3 4 Control A Protocol Faults 3 40 Table 3 5 SMPTE 333 Protocol Faults 3 40 Table 3 6 Non f...

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Page 17: ...HD9084 HDTV Caption Encoder Manual OVERVIEW CHAPTER 1 OVERVIEW TABLE OF CONTENTS 1 OVERVIEW 1 1 1 1 HOW TO USE THIS MANUAL 1 1 USO RESTRITO ...

Page 18: ...HD9084 HDTV Caption Encoder Manual OVERVIEW This page left intentionally blank USO RESTRITO ...

Page 19: ...em telnet and parallel GPI control The HD9084 interfaces with all ATSC MPEG compression encoders and supports the following CEA 708 transfer formats SMPTE 334M SMPTE 333M and Grand Alliance The built in HD closed caption decoder allows confidence monitoring of CEA 708 and CEA 608 captions on any Analog monitor The HD9084 also provides caption shifting for both SD and HD captions via GPI control Th...

Page 20: ...contains a glossary that defines concepts and terms used throughout the remainder of the manual We highly recommend taking the time to become familiar with the terms and concepts described here before proceeding into the rest of the manual This symbol is intended to alert the user to important operating instructions The exclamation point within an equilateral triangle is intended to alert the user...

Page 21: ...SDI 2 1 2 1 3 Monitor Video Output MON OUT 2 2 2 1 3 1 COMP 2 2 2 1 3 2 HD SDI 2 2 2 1 4 Serial Remote Ports 2 2 2 1 4 1 Port A 2 2 2 1 4 2 Port B 2 2 2 1 4 3 Port C 2 3 2 1 4 4 Configuring Ports for RS 232 2 3 2 1 4 5 Configuring Ports for RS 422 2 4 2 1 5 Modems 2 6 2 1 6 Parallel I O DB15 Parallel I O Connector 2 6 2 1 7 Power Supply 2 6 2 2 Mounting 2 6 2 3 Parallel Remote Control Connections ...

Page 22: ...erial Port to Computer 2 3 Figure 2 3 RS 232 Configuration 2 4 Figure 2 4 Wiring RS 422 Tributary Serial Port to RS 422 Master 2 5 Figure 2 5 RS 422 Configuration 2 5 Figure 2 6 GPI O Pin Identification 2 7 Figure 2 7 HD VANC SMPTE 334 Configuration 2 8 Figure 2 8 SMPTE 333 or Grand Alliance Configuration 2 8 USO RESTRITO ...

Page 23: ...n The bypass relay comes standard with the HD9084 and is enabled using the front panel controls Please refer to section 3 1 5 for more information regarding the HD bypass relay 2 1 2 Program Video Outputs PGM OUT 2 1 2 1 SD SDI The SD SDI output is a single BNC compatible with SMPTE 259M C format s The SD SDI outputs SD SDI video or SD SDI video with CEA 608 captions in line 21 A bypass relay come...

Page 24: ...a computer or captioning equipment Port A functionality includes updating firmware see section 5 2 and Control A functions section 3 8 7 The front panel menus are used to set the correct baud rate word size and parity for use with your captioning software As configured from the factory the pin out of this connector is designed for use with a readily available null modem cable to connect to your co...

Page 25: ...2 is done by first removing the lid and locating the ribbon cables for Ports A J31 B J30 and C J29 on the motherboard The connectors are located on the right hand side of the board with the front panel facing the user Next move the three ribbon connectors to the allocated position marked 232 on the motherboard and set DIP switch 6 7 or 8 to the OFF position Dip 6 Port A Dip 7 Port B and Dip 8 Port...

Page 26: ...configured for RS 422 Setting the HD9084 s serial ports to RS 422 is executed by first removing the lid and locating the ribbon cables for Ports A J31 B J30 and C J29 on the motherboard The connectors are located on the right hand side of the board with the front panel facing the user Next move the ribbon connector s to the allocated position marked 422 on the motherboard and set DIP switch 6 7 or...

Page 27: ...Frame Ground Transmit Common 6 6 Receive Common Transmit 2 2 Receive Transmit 7 7 Receive Receive 3 3 Transmit Receive 8 8 Transmit Receive Common 4 4 Transmit Common Frame Ground 9 9 Frame Ground not used 5 5 not used Figure 2 4 Wiring RS 422 Tributary Serial Port to RS 422 Master 232 422 232 422 232 422 J29 J30 J31 ON 1 2 3 4 5 6 7 8 Figure 2 5 RS 422 Configuration USO RESTRITO ...

Page 28: ...er Supply The HD9084 has one or two redundant supply is optional universal power supplies that operate on either 100 115 or 220 240 volts AC at 50 or 60 Hz and automatically senses the input voltage Power should be applied by connecting a 3 wire grounding type power supply cord to the power entry modules on the rear panel The power cord should be a minimum 18 AWG wire size type SVT marked VW 1 max...

Page 29: ... HD Bypass Relay 14 GPIB General purpose input 15 VEXT in External voltage source for GPI s Figure 2 6 GPI O Pin Identification Pin 10 and Pin 15 can be jumped in order to provide a VEXT IN GPI O pull up source voltage with 3 3V 2 4 GPI O SETUP The following features of the HD9084 can be controlled via parallel port SD SDI Field 1 Keyer and Field 2 Keyer See Video Setup Section 3 4 2 HD SDI VANC K...

Page 30: ...HD9084 HDTV Caption Encoder Manual Page 2 8 INSTALLATION 2 5 TYPICAL HD9084 CONFIGURATIONS Figure 2 7 HD VANC SMPTE 334 Configuration Figure 2 8 SMPTE 333 or Grand Alliance Configuration USO RESTRITO ...

Page 31: ...dundant Power Supply 3 7 3 1 17 Video Data in HD LED 3 7 3 1 18 Video Data in SD LED 3 7 3 1 19 Bypass Relay HD LED 3 7 3 1 20 Bypass Relay SD LED 3 7 3 1 21 MENU LED 3 8 3 1 22 COMM LED 3 8 3 1 23 SD FLD 1 LED 3 8 3 1 24 SD FLD 2 LED 3 8 3 1 25 HD ANC LED 3 8 3 1 26 FAULT LED 3 8 3 2 Front Panel Displays 3 9 3 2 1 Video Display 3 9 3 2 2 Decode Display 3 9 3 2 3 Ports Display 3 11 3 2 4 Time Disp...

Page 32: ... 4 4 2 HD SDI Input SRC 3 22 3 4 4 3 SD SDI Input SRC 3 22 3 4 4 4 Pass Upstream 3 22 3 4 5 SD HD Translator 3 23 3 4 5 1 Master Control 3 23 3 4 6 Service Info Setup 3 23 3 4 6 1 Service Enable 3 23 3 4 6 2 Set Service Flags 3 23 3 4 6 3 Set Language 3 24 3 5 Decode Setup Menu 3 24 3 5 1 OSD Display Mode 3 24 3 5 2 OSD Transparency 3 25 3 5 3 608 Decoder 3 25 3 5 3 1 CC Channel 3 25 3 5 3 2 Text ...

Page 33: ...1 1 Daylight Saving Time Explained 3 35 3 7 2 LTC Reader Option 3 35 3 7 3 CDP Time Encode 3 35 3 8 General Setup Menu 3 36 3 8 1 Load Preset 3 37 3 8 2 Store Preset 3 37 3 8 3 Factory Reset 3 37 3 8 4 Erase NV XDS 3 37 3 8 5 Network Setup 3 37 3 8 5 1 IP Address Source 3 38 3 8 5 2 Static Address 3 38 3 8 5 3 Static Netmask 3 38 3 8 5 4 Static Broadcast 3 38 3 8 5 5 Static Gateway 3 38 3 8 6 Info...

Page 34: ... Source Selection 3 22 Table 3 2 CEA 708 Decoder Specifications and Limitations 3 27 Table 3 3 Port Mode Options 3 29 Table 3 4 Control A Protocol Faults 3 40 Table 3 5 SMPTE 333 Protocol Faults 3 40 Table 3 6 Non fatal CDP Faults 3 40 Table 3 7 Critical Fatal CDP Faults 3 41 Table 3 8 Input Caption Faults 3 41 Table 3 9 Serial Port Faults 3 41 Table 3 10 Dolby Metadata Faults 3 42 Table 3 11 Pres...

Page 35: ...tion Keyer on or off When the Keyer is off the device will clock the video through its internal registers and route it to the video output When the Keyer is turned on both the SD FLD 1 and SD FLD 2 LED s will indicate if data is present The LED to the left of the pushbutton illuminates to indicate operative status The pushbutton is located to the left of the display on the front panel 3 1 4 SHIFT ...

Page 36: ...D9084 See section 0 The SELECT pushbutton is also used in combination with other pushbuttons for added functionality These functions will show the use of the SELECT pushbutton in the appropriate sections The SELECT pushbutton is located to the right of the display above the SETUP pushbutton 3 1 10 VIDEO Pressing the VIDEO pushbutton repeatedly allows the user to cycle through different Video front...

Page 37: ...e power supply fuse The PSU Status 1 LED is located to the left of the front panel display 3 1 16 PSU STATUS 2 LED Optional Redundant Power Supply The PSU STATUS 2 LED indicates if power supply 2 is operational If the LED is illuminated power supply 2 is functional If the LED is not illuminated power supply 2 is not functional Refer to section 5 3 1 for changing the power supply fuse The PSU Statu...

Page 38: ... off when field one data is not present The LED is located below the front panel display 3 1 24 SD FLD 2 LED The SD Field 2 data out LED flashes when field two data is present in the SD upstream signal The indicator is off when field two data is not present The LED is located below the front panel display 3 1 25 HD ANC LED The HD ANC data out indicator is on when SMPTE 334 captions are inserted in...

Page 39: ...nt services CC1 through CC4 The four characters following the T represent services Text1 through Text4 The last character by itself represents the XDS service Possible states for each service are A dash No activity A number or E for XDS Upstream data is present D HD9084 is inserting captions in Direct Entry State R HD9084 is inserting captions in Realtime State X Upstream data is being blocked It ...

Page 40: ...on the upstream video source D1 Displays the decoded 608 caption data from downstream field 1 after caption processing is performed by the HD9084 This display is useful to determine if any captions have been encoded properly in field 1 post caption processing D2 Displays the decoded 608 caption data from downstream field 2 after caption processing is performed by the HD9084 This display is useful ...

Page 41: ...control over captions on that service or a dash indicating that no port is controlling the respective service Example display C ABB T ABBD A This example shows Port A is inserting blocking captions on CC1 Text1 and XDS Port B is inserting blocking captions on CC2 CC3 Text2 and Text3 Modem D is inserting blocking captions on Text4 A232 B232 C232 Indicates whether the respective serial port A C is c...

Page 42: ...ear and calendar day To configure the date display please refer to section 3 7 TZ 00 00 DST DSO Indicates the time zone offset and whether the DST and DSO are enabled or disabled If DSO or DST is displayed in uppercase letters the function is ON True If the function is displayed in lower case letters the function is OFF False To configure time zone DST and DSO please refer to section 3 7 1 CDP in ...

Page 43: ...y The PLD display provides version numbers on the Programmable Logic Devices in the HD9084 The PLD information might be required during troubleshooting procedures when calling into the factory IP 192 168 9 99 example display Indicates the IP address that is currently set Serial Number Display Displays the serial number hard coded into the memory of the HD9084 Note that this is not the same serial ...

Page 44: ...sed for navigating the menu are also shown to give the user a quick reference guide for using the menus Press VIDEO then SETUP Navigates into the VIDEO menu Press DECODE then SETUP Navigates into the DECODE menu Press PORTS then SETUP Navigates into the PORTS menu Press TIME then SETUP Navigates into the TIME menu Press GENERAL then SETUP Navigates into the GENERAL menu The following buttons can b...

Page 45: ... Line Select PAL Line Select Setup Shift Field 2 Keyer Field 1 Keyer HD Captions VANC VANC CC Line Sel VANC Keyer Ctrl scroll up down SELECT SETUP SELECT SETUP Section 3 4 1 Section 3 4 2 Section 3 4 CEA 608 Test Msg SELECT Section 3 4 3 1080i 59 94 60 1080p 23 98 24 29 97 30 1035i 59 94 60 720p 59 94 60 525i 59 94 625i 50 10 25 default line 21 10 25 default line 22 Button Only GPI A to G Button O...

Page 46: ...ide ENGLISH FRENCH SPANISH Section 3 4 6 CC1 CC2 TXT2 TXT1 CC4 CC3 TXT3 TXT4 1 to 63 disable 1 to 63 disable 1 to 63 disable 1 to 63 disable 1 to 63 disable 1 to 63 disable 1 to 63 disable Master Control GPI A to G On continued 3 4 1 Video Setup To enter the Video Setup sub menu use the UP and DOWN arrows until VIDEO is displayed on the front panel Press SELECT to enter this menu The following opt...

Page 47: ... 3 Field 1 Keyer The Field 1 Keyer function allows the user to control the Field 1 Keyer using the front panel KEYER ON OFF pushbutton or via GPI If the Field 1 Keyer is set to Button Only the front panel pushbutton is enabled and will turn both Field 1 and Field 2 Keyers ON or OFF If the Field 1 Keyer is set to GPI mode the user can first choose a GPI to control the Field 1 Keyer function GPI s A...

Page 48: ...A 608 Test Message will revert to Off after power is removed from the HD9084 3 4 2 7 VANC CC Line Sel The VANC CC Line Select control is used when the user wants to insert CDP data into the VBI of the SD SDI output This feature is typically used in DTVCC transmission to ATSC encoders This control selects which line of the VBI the CDP data is to be inserted on The range of this control includes lin...

Page 49: ...4 or will incorrectly indicate an error condition in the video These features have added another 7 video samples of delay to the SD SDI video path through the HD9084 HD SDI and SD SDI video sources must be frame locked for accurate transposing of data between HD SDI and SD SDI Tektronix WFM700 with firmware v3 0 0B or newer is capable of reading CDPs DID SDID 61 01 from SD SDI VANC The CEA 608 cap...

Page 50: ...y instructed by the compression encoder manufacturer 3 4 3 5 CEA 708 Test Msg The CEA 708 Test Message provides captions on Services 1 through 4 Each service shows a different caption test pattern Service 1 Service 1 provides a 2 window caption roll up down test message with the following write patterns Service 1 provides a 2 window split test message The caption is mirror imaged to provide a full...

Page 51: ...otection that can be inserted into HD SDI It is used to restrict the recording or copying of content 3 4 3 9 VANC Scrubber The default behaviour of the HD9084 is to alter the DID SDIDs of upstream CDPs to change them to marked for deletion packets after reading their contents They are no longer CDPs once the DID SDID is altered and will be ignored by downstream caption equipment but these marked f...

Page 52: ...ON the HD9084 will not process upstream CEA 608 nor CEA 708 captions If the NO INPUT SOURCE option is set to OFF the upstream captions processed will be dependent on the setting of the SD SDI input or the HD SDI input functions The NO INPUT SOURCE can also be triggered using GPI s A through G 3 4 4 2 HD SDI Input SRC The HD SDI Input Source control allows the user to enable or disable the HD SDI v...

Page 53: ... encoded in the Service Infor section of CDPs Receivers may use the service information generated by the HD9084 Refer to section 3 4 3 3 for information on how to enable the encoding of the Service Information section in the CDPs 3 4 6 1 Service Enable To Enable and Disable the Service Information option use the UP and DOWN arrows until SERVICE ENABLE is displayed on the front panel Press SELECT t...

Page 54: ...out of the Decode menu system To exit the menu system press SETUP until the MENU LED is off T1 to T4 0 to 64 SETUP DECODE then OSD Display Mode OSD Transparency 608 Decoder 708 Decoder scroll up down SELECT SETUP SELECT Section 3 5 2 Section 3 5 Section 3 5 4 Section 3 5 3 Section 3 5 1 CC Channel Text Channel Text Win Top Row Text Win Height XDS Display XDS Win Top Row XDS Win Height SELECT SETUP...

Page 55: ...der The HD9084 is equipped with a CEA 608 Decoder which provides on screen display of CEA 608 captions on the Composite monitoring output of the HD9084 The CEA 608 decoder is capable of displaying one CC service one text service and XDS packets simultenously The CEA 608 decoder is capable of decoding all XDS packets To configure the CEA 608 decoder scroll to 608 DECODER and press SELECT Using the ...

Page 56: ...h to be read 3 5 3 6 XDS Win Top Row The XDS Window Top Row parameter sets the window placement of the XDS display box Rows 1 through 15 can be selected Row 1 is at the top of the screen and row 15 is at the bottom 3 5 3 7 XDS Win Height The XDS Window Height parameter sets the window height of the XDS display box XDS box height 2 through 15 can be selected Selection 2 will provide a 2 row high Te...

Page 57: ... support No display effects Support for fill colour and opacity of up to 4 simultaneous windows No borders Pen Attributes Only STANDARD pen size is supported Only DEFAULT font style is supported No text tag support No offset super and sub script support Italics is supported Underline is supported No edge type support Pen Colours Foreground and background colours and opacities are supported for up ...

Page 58: ...e CC1 to CC4 Service T1 to T4 Service XDS enable disable Section 4 7 2 Section 3 6 2 cancel enable disable Off GPI O Config Section 3 6 7 GPO 1 to 4 Active Lvl GPO 1 to 4 Assert Dly GPO 1 to 4 Deasrt Dly GPO 1 to 4 Stimulus Low High 0 to 127 5 s 0 5s increments 0 to 127 5 s 0 5s increments Disabled For other options see list in this section For other options see Table 3 3 MSG INJECT GPI MSG INJECT...

Page 59: ...on the front panel Press SELECT to enter the sub menu The following options are available in the Port x Setup sub menu To see a quick reference layout of the menu system please refer to section 3 6 Press SETUP to exit this level Port E exists if MDM2 option is ordered Port E functions the same as Port D 3 6 1 1 Port x Mode Port x Mode configures the output of Ports A through F The following is a l...

Page 60: ...ly enable or disable the communication ports A port may be explicitly enabled or disabled enabled based on the state of a GPI pin or enabled only when the modem s or telnet Port F are not in use 3 6 1 5 Port x Rings This control is only available for modem Ports D and E optional Each modem can be configured to answer the telephone line after 1 or 3 rings This allows redundancy by connecting both m...

Page 61: ... user to enable disable CEA 608 and CEA 708 services on each of the ports CEA 608 services include CC1 CC2 CC3 CC4 T1 T2 T3 T4 and XDS CEA 708 includes services 1 through 63 Each of these services can be enabled or disabled separately See sections 3 6 2 1 and 3 6 2 2 to configure these settings All services are enabled by default 3 6 2 1 Set All Services Set all Services allows the user to enable ...

Page 62: ...ments of the application The active level can be set to high or low The default setting is low 3 6 7 2 GPO 1 to 4 Assert Delay The GPO assertion time can be delayed This control is useful in time critical automation control systems The GPO x Assert Dly has a range of 0 to 127 5s which can be adjusted in increments of 0 5s The default setting is 0 See Figure 3 2 for an example of how this setting a...

Page 63: ...D Fault Tally CC1 to CC4 Data In T1 to T4 Data In XDS Data In 708 Data In Modem D Online Modem E Online Telnet F Active The default setting is Disabled 3 7 TIME SETUP MENU The Time Setup menu configures all time display encode decode functions of the HD9084 To enter the Time Setup menu press TIME then SETUP Use the UP and DOWN arrows to scroll through the different options listed in sections 3 7 1...

Page 64: ...C is an international time standard that defines a time that does not depend on where we are on Earth Universal Time UTC Greenwich Mean Time GMT and Zulu Time Z are based at the prime meridian 0 longitude of Earth and are used to avoid confusion of time zones To set the UTC time use the UP and DOWN arrows to scroll to SET UTC TIME and press SELECT The user can now configure time date time zone DST...

Page 65: ...ovember The Time of Day packet must be inserted locally at each affiliate station if implemented so that the correct time is encoded when programs are aired at different times across the network The Time Zone packet 0704 encodes the time zone offset from UTC time and contains a flag bit DSO Flag that is to be set when the entire area served by the signal observes Daylight Saving Time When the DSO ...

Page 66: ...econd time to exit this level SETUP GENERAL then Load Preset Store Preset Factory Reset Network Setup scroll up down SELECT SETUP SELECT Section 3 8 1 Section 3 8 2 Section 3 8 Section 3 8 4 Section 3 8 3 Erase NV XDS Upgrade Firmware Section 3 8 7 Section 3 8 5 IP Address SRC Static Address Static Netmask Static Broadcast Static Gateway SELECT SETUP Dynamic Static 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

Page 67: ...re written into flash memory If a power outage occurs the settings are automatically restored upon power up The user may erase the flash by executing a factory reset See section 3 8 3 The user must exit out of the menu system in order for the changed settings to be stored into flash memory 3 8 3 Factory Reset The Factory Reset option is used to set the HD9084 back to the factory default setting To...

Page 68: ... configure the individual network address octets Press SELECT to proceed to the next octet Press SETUP to exit this level 3 8 5 4 Static Broadcast The Static Broadcast parameter defines the broadcast address used by the HD9084 The broadcast address is an IP address that allows information to be sent to all machines on a given subnet rather than a specific machine To configure this option enter the...

Page 69: ...fatal CDP errors 3 8 6 2 Show ALL errs The Show All Errors parameter will disable all filtering of error and diagnostic messages If the HD9084 detects an error or is ready to provide an informative message it will display the message on the front panel 3 8 6 3 Info Msg Only The Info Message Only parameter will filter out all messages except informative status messages Messages of this type may inc...

Page 70: ... response to a SMPTE 333M packet sent by the HD9084 Table 3 5 SMPTE 333 Protocol Faults 3 9 3 Caption Distribution Packet CDP Fault Messages Non fatal CDP error messages are listed in Table 3 6 These errors indicate corrupt CDP s before any processing by the HD9084 The HD9084 can account for these problems and properly clean and re format the data on the output This is done automatically and troub...

Page 71: ...al Fatal CDP Faults 3 9 4 Input Caption Fault Messages 608 PARITY BAD Indicates a parity error in CEA 608 caption data read from upstream video You may also see this if there is excessive noise on SD line 21 or the caption level is too low HD INPUT OVERFLW Indicates that the volume of HD caption data coming in from upstream video has exceeded the ability to re encode it causing the internal buffer...

Page 72: ...ges indicate an error loading saving presets to the non volatile storage memory Possibly correctable by performing a factory reset or resetting preset storage from the bootloader PRESET SAVE ERR Table 3 11 Preset Faults PLD ERR NO FILE PLD ERR DONE PIN PLD ERR DONE PIN PLD ERR FILE CRC PLD BAD REVISION These error messages indicate errors related to Programmable Logic Devices CPLD FPGA on the main...

Page 73: ...de 4 8 4 3 9 Report Battery Status 4 8 4 3 10 Set Report Time of Day Clock 4 9 4 3 11 Set Report Calendar Date 4 10 4 3 12 Transparent State 4 10 4 3 13 Null State 4 10 4 3 14 Direct Control State 4 11 4 3 15 Real Time State 4 12 4 3 16 Display System Status 4 13 4 4 TEXT ARTICLES 4 13 4 4 1 Input Article 4 13 4 4 2 Output Article 4 14 4 4 3 Delete Article 4 15 4 4 4 Queue Articles 4 15 4 4 5 Disp...

Page 74: ...TOCOL 4 6 4 Alter Port Active Maps 4 21 4 6 5 Reset Port 4 22 4 7 GPI Message Inject 4 22 4 7 1 Managing Message Text 4 22 4 7 2 Activating Message Inject 4 22 4 7 3 Application Tips 4 23 Tables Table 4 1 Control A Command Quick Reference 4 1 USO RESTRITO ...

Page 75: ... 3 Al Set Baud Rate 4 3 1 AH Command Help Message 4 3 7 AM Controlling the Caption Decoder 4 3 5 AA Display System Status 4 3 16 AS Report Bypass Status 4 3 8 AY Report Battery Status 4 3 9 A5 Monitor Encoded Data 4 3 4 F F Reset Encoder 4 3 2 Captioning State A2 Real Time State 4 3 15 A3 Direct Control State 4 3 14 A6 Null State 4 3 13 A7 Transparent State 4 3 12 Text Articles A0 Input Article 4 ...

Page 76: ... All ASCII values are shown in hexadecimal notation Parameters are shown in lower case See section 4 2 2 for a description of the parameters and their values All upper case alphanumeric characters that are not preceded by the carat or enclosed in brackets are to be interpreted as individual characters E g F1 is an F followed by a 1 4 2 1 Special Characters Most commands use control characters to c...

Page 77: ...ber F1 Field 1 F2 Field 2 dc Data Channel C1 Caption Channel 1 C2 Caption Channel 2 C3 Caption Channel 3 C4 Caption Channel 4 T1 Text Channel 1 T2 Text Channel 2 T3 Text Channel 3 T4 Text Channel 4 XD Extended Data Services Channel For compatibility with older software the following designators are also used to describe caption data channels CC1 Caption Channel 1 CC2 Caption Channel 2 CC3 Caption ...

Page 78: ...utput Hold O Place article in output queue H Do not place article in output queue n l Next Last N Place article next in output queue L Place article at the end of output queue rc Repeat Count 0 to 9998 Decimal number of times to repeat article 9999 Repeat indefinitely FFFF Repeat indefinitely hh mm ss Repeat until this time is being requested by the computer Current software treats this as equival...

Page 79: ...input buffer to be discarded If the break character is sent to a modem port Modem D or Modem E the modem character buffers will also be discarded This allows the user to circumvent a backlog of data input and regain immediate control of the encoder The best way to reset a communications port is to send a break followed by a Control F Control F command 4 2 5 Command Responses When the HD9084 accept...

Page 80: ...400 576 57600 If the optional port name parameter is missing then the current control port will be assumed If the baud rate of modem Port D E is changed while the modem is in use the new baud rate will not take effect until the caller disconnects from the modem If no parameters are specified the HD9084 will respond with a report of the communication parameters of all the COMM ports as shown below ...

Page 81: ...er that caption information will be output on The permitted values of parameter ln are 11 to 25 Examples AE cr Reset to default AE sp L20 cr Set for line 20 AE sp cr Show current line 4 3 4 Monitoring Line 21 Data on the Serial Port This command allows the HD9084 to extract line 21 information from the input or output video and send it out the serial port Enter a G to end monitor mode Command A5 s...

Page 82: ... HD9084 Ver CK88D5 U000427 Use AH return for help Port B Example 4 3 7 Command Help This command returns a help message from the caption encoder Command AH cr Default none Returns Cmds supported C F A 0 1 2 3 4 5 6 7 8 9 A B c E H I M O P Q r t u S Y 4 3 8 Report Bypass Switch Mode This command returns a message that shows the status of the video bypass relay and the caption keyer Command AS cr Ex...

Page 83: ...st be entered as hours and minutes the XDS Time Zone packet will only transmit the time zone hours This is a limitation of the definition of the time zone packet in CEA 608 Example Ac sp 13 10 00 sp 5 sp ON sp DSO ON cr Set local time to 1 10 pm in EDT Daylight Saving Time in effect Daylight Saving Time observed Ac sp 13 10 00 sp 5 sp ON sp DSO OFF cr Set local time to 1 10 pm in EST Daylight Savi...

Page 84: ... Ad sp 03 25 2001 cr Set local date to March 25 2003 No day of week indicated Ad sp 12 21 2001 sp 7 sp U cr Set UTC date to December 21 2003 4 3 12 Transparent State In Transparent state incoming line 21 video in the respective data stream will be copied to the output Command A7 sp fx cr A7 sp dc cr Default A7 sp F1 cr In the first form of the command the optional parameter fx identifies the field...

Page 85: ...e appropriate video field in one of the four modes that are described below All upstream caption and text data in that field will be blocked Any articles queued for insertion to that field will also be blocked The computer supplies all the information for that field formatting it with the appropriate stream control codes In the second form of the command the optional parameter dc identifies the da...

Page 86: ...e real time state upstream data on the specified channel will be blocked from entering the output queue of the encoder All subsequent data is part of the data stream until C is received or the encoder is reset If the specified data stream is a text channel articles will be suspended from the output queue while the real time state is active All caption information in the non specified data channels...

Page 87: ...nslated into the appropriate codes for the text channel they are ultimately inserted into The message can be kept in memory or deleted when you have finished transmitting it Articles will be lost from the article memory in the event of a power loss The HD9084 uses an advanced memory allocation scheme that enables it to store a virtually unlimited number of articles at one time The only requirement...

Page 88: ... be placed as the first article in the output queue or the last article in the queue All subsequent data is part of the article until C is received The encoder will respond to each line of the article with a prompt while the article is being defined Examples A0 sp Test sp T1 sp 5 cr This is the first line cr and this is the last line C A two line article called Test will be placed at the end of th...

Page 89: ...the article The parameter k d indicates whether the article will be deleted from memory or not Examples A4 sp Test sp D cr The article called Test will be removed from all output queues and deleted from memory 4 4 4 Queue Articles This command will delete the entire specified output queue and replace it with the articles named if any The user enters the names of the articles separated by cr in the...

Page 90: ...he memory storage needed for the article The first line of the article will also be shown A will indicate multiple lines of text Command A9 cr Default none Examples A9 cr Returns Article Status Name Repeat K D size text test1 009999 D 000031 this is a sample test2 009999 D 000014 second article 4 4 6 Display Output Queue This command displays the articles in all 5 output queues in the order in whi...

Page 91: ...ex ASCII code for A is 41 The XDS packets are deleted from memory when they have been transmitted the specified number of times XDS packets will be lost from the encoder s memory in the event of a power loss The HD9084 uses an advanced memory allocation scheme that allows it to store a virtually unlimited number of XDS packets at one time The only limit is the total amount of random access memory ...

Page 92: ...TV Parental Guideline rating of TV PG with V and L bits set The packet will be repeated indefinitely 4 5 2 Blocking Upstream XDS Packets Upstream XDS packets can be removed entirely from the data stream without having to insert new XDS data of the same type This is accomplished using a variation of the AP serial interface command This feature is particularly useful for removing unwanted Time of Da...

Page 93: ...tile Memory The HD9084 can store XDS articles in non volatile memory so that in case of a power failure XDS information can be retained All XDS articles starting with 05 channel class and 07 miscellaneous class are preserved in non volatile memory Other classes are not stored through a power low and must be re entered by the user upon power up 4 6 COMM PORT CONTROL COMMANDS The HD9084 enables the ...

Page 94: ...nstead the command will be treated as though A3 C1 cr had been sent 4 6 1 Show Port Permission Maps This command will report the permission map for each port The permission map controls what data types a port is allowed to become active in e g captions field 1 text field 2 XDS etc Command AQ cr Example result Permission Map PORT A C1 C2 T1 T2 XDS PORT B C1 C2 T1 T2 XDS PORT C C1 C2 T1 T2 XDS PORT ...

Page 95: ...active map controls what port has control of a data type Command AO cr capital letter O Example result Active Map PORT A C1 PORT B C2 PORT C PORT D XDS ONLINE This example shows Port A is actively controlling the captions in field 1 Port B is controlling the captions in field 2 Port C is not actively controlling any data and the Port D modem is online and is controlling the extended data services ...

Page 96: ...age Text Entering the Control A command AG by itself from any serial port will display the current contents of the message The default text is The current program is not captioned The message is entered from any port using the AG command eg AG This is the message text The longest message that can be stored is 68 characters in length including all tilde characters Note that each CEA 608 caption lin...

Page 97: ...tom line of text will reside on row 15 which is at the very bottom of the screen Insertion of the text will be repeated every 15 seconds 4 7 3 Application Tips If you wish to move the message text up you may also use this feature in conjunction with the GPI Caption Shift to move the text up 2 3 or 4 rows If the message text is to be inserted into CEA 708 captions as well enable the HD9084 built in...

Page 98: ...HD9084 HDTV Caption Encoder Manual Page 4 24 SERIAL CONTROL PROTOCOL This page left intentionally blank USO RESTRITO ...

Page 99: ...E HD9084 FIRMWARE 5 3 5 2 1 PART 1 Configuring the Unit for Firmware Upgrades 5 3 5 2 2 PART 2 Terminal Program Setup 5 3 5 2 3 PART 3 Initiating Upgrade Mode 5 3 5 2 3 1 Front Panel Upgrade Procedure 5 3 5 2 3 2 Power Cycle Upgrade Procedure 5 4 5 2 4 PART 4 Uploading the New Firmware 5 4 5 2 5 PART 5 Completing the Upgrade 5 4 5 2 5 1 Front Panel Complete Upgrade 5 4 5 2 5 2 Power Cycle Complete...

Page 100: ...HD9084 HDTV Caption Encoder Manual TECHNICAL DESCRIPTION This page left intentionally blank USO RESTRITO ...

Page 101: ...ing out Connector BNC per IEC 169 8 Signal Level 800mV nominal DC Offset 0V 0 5V Rise and Fall Time 200ps nominal Overshoot 10 of amplitude Wide Band Jitter 0 2 UI Impedance 75ohms 5 1 3 SDTV Serial Digital Video Input Standard SMPTE 259M C Number of Inputs 1 Connector BNC per IEC 169 8 Equalization Automatic 200m 270Mb s Belden 8281 or equivalent 24m with bypass relay installed 5 1 4 SDTV Serial ...

Page 102: ...2 422 selectable 1200 baud to 57 6 kbaud 7 or 8 data bits Modem 2 RJ 11 telephone jacks 2nd modem optional 1200 baud to 14 4 kbaud V 32BIS compatible Ethernet IEEE 802 3 10 BaseT IEEE 802 3u 100 BaseTX RJ 45 connector 5 1 7 Physical Dimensions 19 W x 1 75 H x 18 75 483mm W x 45mm H x 477mm D Weight 8 lbs 3 5Kg 5 1 8 Electrical Power 100 240VAC 50 60HZ 40W Safety TüV Listed Complies with EU safety ...

Page 103: ...uring the Unit for Firmware Upgrades Connect the null modem cable to PORT A on the rear of the HD9084 and the other end of the null modem cable to the communication port on the rear of the computer Set PORT A baud to 57600 Set PORT A Comms to 8 none 1 Refer to section 3 6 5 2 2 PART 2 Terminal Program Setup Start the terminal program Ex HyperTerminal Configure the port settings of the terminal pro...

Page 104: ...pt asking you to upload the file 5 2 4 PART 4 Uploading the New Firmware Upload the bin file supplied from Evertz using the X Modem transfer protocol of your terminal program If you do not start the upload within 10 minutes the HD9084 Boot code will time out Note Use only the Xmodem transfer protocol Other protocols such as X modem CRC or X modem 1K will not work The boot code will indicate that t...

Page 105: ...alue marked on the rear panel Never replace with a fuse of greater value The fuse holder is located inside the power entry module To change the fuses pull out the fuse holder from the power entry module using a small screwdriver The fuse holder contains two fuses one for the line and one for the neutral side of the mains connection Pull out the blown fuse and place a fuse of the correct value in i...

Page 106: ...vive used batteries by heating charging or other means Do not dispose of batteries in fire Do not dismantle batteries Do not short circuit batteries Do not expose batteries to high temperatures moisture or direct sunlight Do not place batteries on a conductive surface anti static work mat packaging bag or form trays as it can cause the battery to short 5 3 2 2 Procedure for Replacing the Battery R...

Page 107: ...DI Output 6 4 6 3 4 There is No HD SDI Video Present on the HD SDI Output 6 5 6 3 5 How Do I Check if Captions are Being Processed 6 5 6 3 5 1 Control A Protocol Test Using a Terminal Program 6 5 6 3 5 2 Composite Monitoring Output Check 6 6 6 3 6 There are No Captions Present Out of the ATSC Encoder 6 6 6 3 7 What Baud Rate and Port Settings Should I Use 6 7 6 3 8 How Do I Check the Logic Levels ...

Page 108: ...HD9084 HDTV Caption Encoder Manual TROUBLESHOOTING This page left intentionally blank USO RESTRITO ...

Page 109: ...o Downstream SD SDI Video w EIA 608 Captions SMPTE 259M Broadcast Quality Downconverter HD SDI Video with EIA 708 334M Captions SMPTE 292M ATSC Encoder SMPTE 333M OR Grand Alliance SMPTE 292M SMPTE 310M SMPTE 292M SMPTE 259M HD SDI Video with EIA 708 334M Captions SMPTE 292M RS232 HD9510UC Upconverter HD9084 Caption Encoder HD9084 Caption Encoder HD9084 Caption Encoder RS232 HD SDI Video Evertz HD...

Page 110: ...O 2 Deassert Delay 0 5 seconds delay switching to HD SDI Set PORTS GPI ACTIVE LVLS GPI A Active Level Low Set VIDEO UPSTREAM CAPS No Input Source OFF Set VIDEO UPSTREAM CAPS SD SDI Input Source ON Set VIDEO UPSTREAM CAPS HD SDI Input Source GPI A NOTE For most applications the CDPs will contain good CEA 608 and probably CEA 708 that was derived by translating the 608 data Recommended configuration...

Page 111: ...connected to either modem Port D E or telnet Port F However only one of these options may be selected at a time Using the Parallel I O port it is possible to disable the teleprompter port when either the modem or telnet is in use This example assumes the teleprompter is connected to Port C Fabricate the GPI O dongle as follows Connect pins 10 and 15 to provide pullup voltage for GPI O Connect GPO1...

Page 112: ... on the front panel and illuminating the FAULT LED Refer to section 3 9 for descriptions of the fault messages 6 3 2 Which Serial Port Should I Connect To The HD9084 rear panel has three serial ports labeled A B and C Any serial port may be used for typical captioning functions since they all support the same Control A serial protocol All three serial ports are configured from the factory for RS 2...

Page 113: ...g Processed 6 3 5 1 Control A Protocol Test Using a Terminal Program Control A protocol can be used to determine if captions are processed and available out of Ports A B or C Please ensure the latest firmware is downloaded from www evertz com and installed in the HD9084 Follow the load firmware section in 5 2 Procedure Connect a null modem cable to Port A B or C and to the RS 232 communication por...

Page 114: ...m To verify CEA 708 captions are present and processed make sure HD SDI video is present upstream Turn the appropriate decoder on see section 3 5 Please note that video will not be present on the monitor output however the decoded captions will be displayed If captions are not viewed on the Analog monitor make sure the keyers are on and captions are present on the upstream video The built in CEA 6...

Page 115: ...isplay option See section 3 2 3 Ports Display 6 3 9 How Do I Check the Status of My Power Supplies Power supply status can be monitored from the front panel PSU STATUS 1 and 2 LED s If the LED is on the power supply is functional present If the LED is off the power supply is non functional not present Note The 2PS option redundant power supply must be ordered for both LED s to be on 6 3 10 Caption...

Page 116: ...omplished by one of the following methods Change the Upstream Source front panel controls See section 3 4 4 Issue the serial port commands A6 F1 and A6 F2 to place Field 1 and Field 2 into NULL STATE See section 4 3 13 If only particular caption services are to be blocked such as Text Channel 2 Change the setting of the Pass Upstream menu controls See section 3 4 4 4 Issue the A6 NULL STATE serial...

Page 117: ... incorrectly READ THE MANUAL Be sure the captioners know their system inside and out They should at minimum be able to supply what their system configuration is CALL WAITING If this service is installed on the captioner s phone line it MUST be disabled before using the modem If an outside caller tries to call the phone line that the modem is connected to the tone that is generated will disrupt mod...

Page 118: ... caption encoder This is displayed on the front panel display by pressing GENERAL on the front panel of the HD9084 encoder Which serial ports and modem ports A through E are being used on the encoder What captioning or teleprompter software is being used to control the encoder manufacturer product name revision number Is this a new installation or was the unit functioning in your system previously...

Page 119: ...HD9084 HDTV Caption Encoder Manual GLOSSARY CHAPTER 7 GLOSSARY TABLE OF CONTENTS 7 GLOSSARY 7 1 7 1 Glossary of Standards 7 1 7 2 GLOSSARY OF TERMS 7 2 USO RESTRITO ...

Page 120: ...HD9084 HDTV Caption Encoder Manual GLOSSARY This page left intentionally blank USO RESTRITO ...

Page 121: ...PTE 12M 1 The SMPTE standard for the Time and Address Control signal in widespread use in the professional video and audio industries SMPTE 12M 1 defines the specifications for both Linear Time Code LTC and Vertical Interval Time Code VITC SMPTE 12M 2 The SMPTE Recommended Practice for transmitting Time code in the ancillary data space of serial digital television signals SMPTE 125M The SMPTE stan...

Page 122: ...name for a digital audio standard established jointly by the Audio Engineering Society and the European Broadcasting Union organizations ANALOG An adjective describing any signal that varies continuously as opposed to a digital signal that contains discrete levels representing digits 0 and 1 A TO D CONVERTER ANALOG TO DIGITAL A circuit that uses digital sampling to convert an analog signal into a ...

Page 123: ...nizable COMPONENT ANALOG The non encoded output of a camera video tape recorder etc consisting of the three primary colour signals red green and blue RGB that together convey all necessary picture information In some component video formats these three components have been translated into a luminance signal and two colour difference signals for example Y B Y R Y COMPONENT DIGITAL A digital represe...

Page 124: ...ply program related and other information to the viewer This information may include such items as program title length of show type of show and program content codes such as V Chip program ratings ITU The United Nations regulatory body governing all forms of communications ITU R previously CCIR regulates the radio frequency spectrum while ITU T previously CCITT deals with the telecommunications s...

Page 125: ...s The SMPTE 12M standard defines LTC PAC Preamble Address Code These codes are embedded into the line 21 caption data They define the caption text position on the screen and set special features such as colour italics and underline PIXEL The smallest distinguishable and resolvable area in a video image A single point on the screen In digital video a single sample of the picture Derived from the wo...

Page 126: ...etermine the rating of a show Also see Extended Data Services WebTV The encoding of URL Uniform Resource Locators normally used on the Internet into line 21 caption style data This URL string is made up with the familiar http followed by a target location on the Internet The URL must be formatted to match the Electronic Industries Association specification CEA 746 A XDS See Extended Data Services ...

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