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INSTRUCTION MANUAL

Model PTC-892

Standard Definition

Digital or Analog

Closed Captioning Encoder

And Analog Decoder

With Digital to Analog

Conversion

For firmware version 1C

L IN K

ELECTRONICS, INC.

2137 Rust Avenue.

Cape Girardeau, Missouri 63703

Phone: 573-334-4433

website: www.linkelectronics.com

Fax: 573-334-9255

e-mail: [email protected]

Содержание Caption Encoder/Decoder SD SDI/Analog PTC-892

Страница 1: ... Closed Captioning Encoder And Analog Decoder With Digital to Analog Conversion For firmware version 1C LINK ELECTRONICS INC 2137 Rust Avenue Cape Girardeau Missouri 63703 Phone 573 334 4433 website www linkelectronics com Fax 573 334 9255 e mail sales linkelectronics com ...

Страница 2: ...PTC 892 version 1 C 2 ...

Страница 3: ...t Menu 15 Recovery Channel Menu 16 Recovery Stream Menu 17 Weather Lift Menu 17 Negative Pedestal Menu 18 Port 1 Selection Menu 18 Port 1 Baud Rate Menu 19 Port 2 Baud Rate Menu 19 Data Output Port Menu 20 Port Redirection Menu 20 Control Codes Out Menu 21 Tokenize CC Codes Menu 21 Odd Parity Menu 22 Duplicate CC Codes Menu 22 Control A Codes In Menu 23 Load and Save Setting Menu 24 Manufacture an...

Страница 4: ...nd Their Meaning in This Manual READ THIS MANUAL To gain knowledge of the Link product user must read and understand the operator s manual before using this product There are features known to the user only if the manual is read The lightning flash with arrowhead symbol within an equilateral triangle alerts the user to the presence of dangerous voltage within the product s enclosure that may be of...

Страница 5: ...d jewelry or watches when troubleshooting high current circuits such as the power supplies During installation do not use the door handles or front panels to lift the equipment as they may open abruptly and injure you To avoid fire hazard use only the specified correct type voltage and current rating as referenced in the appropriate parts list for this product Always refer fuse replacements to qua...

Страница 6: ...provided for ventilation Do not block them Front door is part of fire enclosure and should be kept closed during normal operation This product should be powered on as described in the manual To prevent equipment damage select the proper line voltage at the ac input connector as described in the installation documentation To prevent damage to this equipment read the instructions in this document fo...

Страница 7: ...Connectors are CEE color coded light blue neutral brown line and green yellow ground Other IEC 320 C13 type power supply cords can be used if they comply with the safety regulations of the country in which they are installed Notes 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...

Страница 8: ...ue is the C input vertical green is the Y encoder output vertical blue is the C encoder output horizontal green is the Y decoder output and horizontal blue is the C decoder output Figure 4 SD analog component video Green is the Y or G input blue is the U or B input red is the V or R input vertical green is the Y or G encoder output vertical blue is the U or B encoder output vertical red is the V o...

Страница 9: ...tput blue is the Y encoder output red is the C encoder output brown is the S video encoder output horizontal green is the composite decoder output horizontal blue is the Y decoder output and horizontal red is the C decoder output Figure 7 SD digital video with YUV or RGB selected as analog outputs Gray is the digital input yellow is the digital encoder output green is the Y or G encoder output blu...

Страница 10: ... GPI plug available upon request The PTC 892 provides a weather lift function to comply with federal regulations requiring captioning not interfere with emergency information scroll This capability will automatically move the captions up one thru four lines when activated The lift is provided for all captioning CC1 to CC4 whether it is local captioning or pass thru from another source The weather ...

Страница 11: ... when connected When the modem is disconnected the RS 232 2 has control The PTC 892 has two nine pin subminiature D connectors on the rear panel for RS 232 communications The RJ 11 jack located on the rear panel allows the unit to directly connect to a phone line when the optional internal modem is installed The USB B plug can be plugged directly into a computer s USB port and simulates a com port...

Страница 12: ...se versa and lights 20 or 21 accordingly This works only with button 6 SDI input 10 NTSC LED When lit the unit detects a NTSC input 11 PAL LED When lit the unit detects a PAL input 12 Ring indication LED When lit the optional modem detects an incoming ring 13 Off hook LED When lit the optional modem takes ringer off hook 14 Carrier detection LED When lit the option modem is connected 15 Encode LED...

Страница 13: ... to clean noise or chroma off the captioning insert There are three types of bypass s that will show up on the display They are Newswire Bypass Software Bypass and Encoder Bypass Encoder bypass can only be done from the front panel bypass button as its name implies it bypass s the encoder Software Bypass is a software command A0 or A7 this does not bypass the encoder weather lift and XDS will stil...

Страница 14: ...om the Main Display and the Encode Mode Menu is displayed Pressing the menu knob allows you to select the following options Back no selection F1 F2 Transparent F1 Insert F2 Opaque F1 Opaque F2 Insert F1 Insert F2 Trans F1 Monitor F2 Ins F1 Trans F2 Insert F1 Ins F2 Monitor F1 F2 Monitor F1 F2 Opaque Newswire Mode This menu allows the user to manually change the encode mode of the unit Newswire Mod...

Страница 15: ...CC2 Field 1 T1 Field 1 T2 Field 1 CC3 Field 2 CC4 Field 2 T3 Field 2 T4 Field 2 XDS Field 2 OFF This menu allows the user to change what captioning channel is going to be decoded Caption decoding also called open caption means to make the caption readable on the video These will only affect the decoder outputs of the unit OFF turns the decoder off and the decoded outputs will not have open caption...

Страница 16: ...ld 2 CC4 Field 2 T3 Field 2 T4 Field 2 XDS Field 2 OFF All of Field 1 All of Field 2 This menu allows the user to manually set the data recovery mode of the unit Data recovery means to send caption data out of the unit s com port s Data recovery is usually used for two reasons Captioning data is sent out to another encoder to encode another video stream Captioning data can also be captured by soft...

Страница 17: ... you to the Recovery Stream Menu Warning For monitor mode or translation programs to work properly data recovery must be set for incoming captions Weather lift Menu Figure 19 Turn the menu knob right from the Recovery Stream Menu and the Weather Lift Menu is displayed Pressing the menu knob allows you to select the following options Back no selection OFF Shift Text 1 Line Shift Text 2 Lines Shift ...

Страница 18: ...ate EIA 608 specifications This allows you to fix the pedestal that shouldn t be there Pressing the menu knob from here returns you to the Negative Pedestal Menu Port 1 Selection Menu Figure 21 Turn the menu knob right from the Negative Pedestal Menu and the Port 1 Selection Menu is displayed Pressing the menu knob allows you to select the following options Back no selection RS 232 port 1 USB port...

Страница 19: ...s set Pressing the menu knob from here returns you to the Port 1 Baud Rate Menu Port 2 Baud Rate Menu Figure 23 Turn the menu knob right from the Port 1 Baud Rate Menu and the Port 2 Baud Rate Menu is displayed Pressing the menu knob allows you to select the following options Back no selection 2400 4800 9600 19200 38400 Make sure that the PTC 892 s baud rate is set the same as your caption provide...

Страница 20: ...the menu knob from here returns you to the Data Output Port Menu Port Redirection Menu Figure 25 Turn the menu knob right from the Data Output Port Menu and the Port Redirection Menu is displayed Pressing the menu knob allows you to select the following options Back no selection OFF Port 1 to Port 2 Port 2 to Port 1 This allows you to redirect the data I O from one port to another port By doing th...

Страница 21: ...will only send out text for data recovery Pressing the menu knob from here returns you to the Control Codes Out Menu Tokenize CC Codes Menu Figure 27 Turn the menu knob right from the Control Codes Out Menu and the Tokenize CC Codes Menu is displayed Pressing the menu knob allows you to select the following options Back no selection Disabled Enabled With this menu you can select whether CC 608 cod...

Страница 22: ...ncoding captioning data Pressing the menu knob from here returns you to the Odd Parity Menu Duplicate CC Codes Menu Figure 29 Turn the menu knob right from the Odd Parity Menu and the Duplicate CC Codes Menu is displayed Pressing the menu knob allows you to select the following options Back no selection Disabled Enabled With this menu enables disables whether CC 608 codes are going to be duplicate...

Страница 23: ... can choose to ignore and pass or remove these codes Process control A codes means the unit will process the control A codes and do what the command tells the unit to do This is the default setup and normal operation of the unit Remove control A codes means that the unit will ignore the control A command and do nothing with it You would use this mode when encoding captioning data that has been rec...

Страница 24: ...s a hard reset and returns to the Main Display Load User as Current Settings Pressing enter from here loads the non volatile user profile settings as the current settings then performs a hard reset and returns to the Main Display Save Current As Default Settings Pressing enter from here saves the current settings into the non volatile power on default settings and returns to the Main Display So ne...

Страница 25: ...ings are as follows Field 1 Encode Mode Transparent Field 2 Encode Mode Transparent Decode Mode CC1 Data Recovery OFF Recovery Stream Incoming Captions Weather Lift OFF 0 lines Negative Pedestal OFF Port 1 Selection RS 232 Port 1 Baud Rate 1200 Port 2 Baud Rate 2400 Data Output Port s Both Ports Port Redirection OFF Input Format Composite Output Format Composite TSID Disabled Call letters Disabled...

Страница 26: ... and it shows the Manufacture and Model display Turn the menu knob right from here and it returns to the Main Display Pressing the menu knob shows the Firmware Version Display Firmware Version X X Any menu function from here takes you to the Main Display Note All menu options start with Back no selection to help keep settings from being inadvertently changed ...

Страница 27: ...up call letters mode 6 Save and exit 7 Exit Selecting one of the options will bring up the following submenus Current power up decode mode is CC1 Factory default Enter decode mode 0 Off 1 CC1 2 CC2 3 T1 4 T2 5 CC3 6 CC4 7 T3 8 T4 9 XDS B Back Current power up encode mode is F1 Transparent F2 Transparent Factory def Enter encode mode 0 Field 1 Transparent Field 2 Transparent 1 Field 1 Insert Field ...

Страница 28: ...igned TSID and press the enter key Current power up call letters are disabled Factory default Enter call letters mode 0 Disabled 1 Enter call letters B Back Enter Station Call Letters up to 6 characters Enter the Station Call Letters and press the enter key Options 6 and 7 from the Main Menu on the previous page allows the user to save and exit or just exit respectively If menu number 6 is selecte...

Страница 29: ... for TSID and call letters You can also select XDS from the front panel decoder menu to show XDS in the DECODE corner of the main LCD display The call letters will be shown in the upper right corner of the monitor that is hooked up to the DECODER OUTPUT If you are using V chip software the call letters and TSID packets inserted through the communications program will not be overwritten Hook up the...

Страница 30: ...g on Field 1 while all information on Field 2 will be removed This mode should not be used if useful information is known or suspected to be present at anytime on Field 2 A2 01 32 Field 1 Opaque Field 2 Insert This mode allows encoding on Field 2 while all information on Field 1 will be removed This mode should not be used if useful information is known or suspected to be present at anytime on Fie...

Страница 31: ... the encoder itself inserts Field 1 command codes for three line roll up captions while information already on Field 2 to pass un touched A time out feature will insert the erase displayed memory command code after x seconds without a new input x may be any number from three through fifteen For numbers greater than nine use hexadecimal letters A through F Default time is fifteen seconds To exit Ne...

Страница 32: ...port s USB port or modem AG 01 47 T3 Captioning data of T3 is sent out the PTC 892 s com port s USB port or modem AH 01 48 T4 Captioning data of T4 is sent out the PTC 892 s com port s USB port or modem AI 01 49 XDS Captioning data of XDS is sent out the PTC 892 s port s USB port or modem AJ 01 4A F 1 CC1 CC2 T1 and T2 captioning data is sent out the PTC 892 s com port s USB port or modem AK 01 4B...

Страница 33: ... 01 51 Disable Byte Pair Doubling of Command Codes While Closed Caption command codes are typically transmitted twice in successive video frames this directive will cause them to be transmitted only once Useful for data transmission unrelated to Closed Captioning or to possibly allow compatibility with captioning software which could double the command codes before transmission to the encoder via ...

Страница 34: ... lines to be controlled by the front panel AXx 01 58 Need time code trigger Returns a software trigger when a certain time code is reached Example if you wanted your software to start encoding at time code 01 34 21 15 then you would have your software send the PTC 892 this command AX TA5 or 01 58 21 54 41 35 then a carriage return and your software would wait to send out encode commands until it r...

Страница 35: ...y will give you notice in writing to allow you to make any changes necessary to maintain un interrupted service In certain circumstances it maybe necessary for the telephone company to request information from you concerning the equipment which you have connected to your telephone line Upon request of the telephone company provide the FCC registration number and the ringer equivalence number REN b...

Страница 36: ...ering and navigation DTV Receivers use PSIP information to tune and label digital and analog channels PSIP is data that is transmitted along with a station s DTV signal that tells DTV receivers important information about the station and what is being broadcast The most important function of PSIP is to provide a method for DTV receivers to identify a DTV station and to determine how a receiver can...

Страница 37: ...d caption encoders that support the insertion of the TSID Codes in the XDS Channel are PTC 892 PDA 895 and ENC896 These three models are designed for analog and SDI These units retain TSID and or call letters in non volatile memory A PC Personal Computer is not required to run the software as other companies require These models supports insertion of TSID and or call letters data into the analog c...

Страница 38: ...be shipped customer surface freight only to be paid by Link Electronics This warranty is in lieu of all other warranties expressed or implied with respect to the condition or performance of any Link Electronics products its merchantability or fitness for a particular purpose The product warranty will be null and void if a specific component part should become obsolete by the manufacturer If the co...

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