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Chapter 4: Operating the Equipment 

Reference Guide: CT2020 

Page 32  

November 10 

 

Please see below table for an example for HD video parameter: 
 
 

 

Resolution Frame rate

1080p 23,98 

1080p 24 

1080i 50 

1080i 59,94 

1080i 60 

720p 50 

720p 59,94 

720p 60 

 
Please write down the video settings which you get from the HD control monitor 
regarding resolution and frame rate. You will need these settings later when 
you have to configure the transmitter, otherwise you will not be able to 
transmit a video signal! 

  
 

 

 
 
 
 
 
 
 

Summary of Contents for CT2020

Page 1: ...ENGLISH UK REFERENCE GUIDE CT2020 v 1 3 ...

Page 2: ...TOUT LISEZ CE QUI SUIT Si vous ne comprenez pas les instructions contenues dans ce manuel NE FAITES PAS FONCTIONNER CET APPAREIL En outre nous pouvons vous proposer à vos frais une version française de ce manuel ITALIANO LEGGERE QUESTO AVVISO PER PRIMO Se non si capisce il contenuto del presente manuale NON UTILIZZARE L APPARECCHIATURA È anche disponibile la versione italiana di questo manuale ma ...

Page 3: ... of an installation and gives detailed procedures for the preparation and installation of the equipment Also details the external connectors and provides important safety information Chapter 3 Operating the Equipment Locally Describes local control in detail Provides the power up power down procedures and other general operating control set up procedures Chapter 4 Application note for wireless HD ...

Page 4: ... ix BMS Europe Customer Services ix Technical Training x Customer Services and Technical Training Postal Address x Return of Equipment x Technical Publications x Chapters 1 to 4 1 Introduction to the CT2020HD 10 1 1 Preliminary Remarks 10 1 2 Designation and P N 10 1 3 Description 11 2 Installing the Equipment 12 2 1 Safety instructions 12 2 2 Connectors 13 2 3 Shut Down 14 3 Operating the Equipme...

Page 5: ...play OFF 17 27 3 16 Software 18 27 3 17 Status 19 28 3 18 Encoder FW 20 28 4 APPLICATION NOTE FOR WIRELESS HD CAMERAS 30 4 1 Introduction 30 4 2 Mounting instructions for CT2020HD on the Sony 1500 camera 31 Appendix A List of Abbreviations Appendix B Technical Specification B 1 Compliance B 1 B 1 1 Safety B 1 B 1 2 EMC B 1 B 1 3 Shock and Vibration B 2 B 1 4 CE Marking B 2 B 1 5 FCC Marking B 2 B ...

Page 6: ...ill be by a complete reissue Further copies of this Reference Guide can be ordered from the address shown on page ix If passing the equipment to a third party also pass the relevant documentation Issues of this Reference Guide are listed below Issue Date Build Version Comments 1 March 2008 1 0 Initial release 2 August 2008 1 1 New chapters integrated 3 March 1 2 Changes CT2020HD to CT2020 4 Novemb...

Page 7: ...s Registered trademarks and trademarks used are acknowledged below and marked with their respective symbols However they are not marked within the text of this Reference Guide Registered Trademarks AC 3 Dolby Digital and Pro Logic are registered trademarks of Dolby Laboratories Licensing Corporation Musicam is a registered trademark of Thomson and Télédiffusion de France TDF Europe and is a regist...

Page 8: ...ictly observed will prevent personal injury or death OR DAMAGE TO PERSONAL PROPERTY OR THE ENVIRONMENT They are boxed and shaded for emphasis as in this example and are placed immediately preceding the point at which the reader requires them Cautions Cautions give information which if strictly followed will prevent damage to equipment or other goods They are boxed for emphasis as in this example a...

Page 9: ...d on their supporting technologies BMS can provide both regularly scheduled courses and training tailored to individual needs Courses can be run either at your premises or at one of our dedicated training facilities Where to Find Us For further information on BMS Europe training program please contact us International Telephone 49 6124 7239 00 International Facsimile 49 6124 7239 29 Customer Servi...

Page 10: ...aily use of the unit in general The manual should be kept with the CT2020 Transmitter and may be consulted when questions occur Should problems remain after you have read the manual carefully or if you have any further questions concerning the functionality or operation of the Transmitter please contact Customer Service 1 2 Designation and P N Designation CT2020HD Frequency range P N 2 0 2 3 GHz 1...

Page 11: ...n in particular of MPEG encoders and OFDM modulators enables using the DVB T standard for mobile portable transmission systems Previous analog FM systems were adversely affected by signal reflections directly resulting in video and audio interferences Such effects do not occur when the digital ENG system D ENG is deployed Even mobile transmission from moving vehicles or the use of omni directional...

Page 12: ... before starting the unit by connecting it to 12VDC Essential a valid video signal must be connected to the desired input before power on the CT2020 When you connect the CT2020 as described in the following sections make sure that the Caution instructions given there are observed Make sure that there is sufficient air circulation to ensure adequate cooling of the unit External forced ventilation m...

Page 13: ...m at 2GHz band Connecting Signal Sources The Video signal supplied by the camera has to be applied to the SDI BNC f connector of the transmitter The analogue Audio signal supplied by the camera has to be applied to the Audio in 5pol Lemo connector of the transmitter Connecting the RF Output An omni directional antenna with N m connector can be directly mounted at the RF out socket Connecting the U...

Page 14: ...to comply with these requirements may cause fatal damage to the battery power pack and or CT2020 Battery Powered Operation of the CT2020 Many types of batteries are available on the market and we tried to support the best ones 2 3 Shut Down Caution To shut down the unit you have to disconnect first the 12VDC supply voltage After disconnection from the supply voltage by removing the battery or disc...

Page 15: ...transmitter is in a self test mode After the self test the transmitter s name is displayed before the display permanentlyshows the current frequency Current transmission frequency The automatic COFDM setup is very easy to handle When the Enter Button is pressed and held for approximately 2 seconds the setup menu is accessible UHF Data Receive Quality ...

Page 16: ...e Equipment Reference Guide CT2020 Page 16 November 10 3 2 Menu structure Use Up and Down button to navigate through this menu To activate a sub menu press Enter button for 2 seconds To exit all sub menus press Enter button ...

Page 17: ...changeable position of the frequency By use of Up and Down button the inverted digit can be changed digit by digit To confirm a change and switch to the next position of the frequency press Enter button and continue with the next digit To save the changed frequency and leave this sub menu press Enter button after all digits of the frequency are set 3 4 Resolution 3 In the sub menu Resolution the d...

Page 18: ...ing the Enter Button To exit this submenu press Enter Button 3 5 Framerate 4 After setting the resolution 1080p 1080i 720p SD it is important to set the correct corresponding frame rate Please check at all costs which HD output signal which resolution the video signal has and which frame rate 1080p 1080i 720p the camera is set to A list of the resolution and corresponding frame rates is added belo...

Page 19: ...ss and route interlaced video Technically progressive segments are equivalent to interlaced fields but unlike native interlaced video there is no motion between the two fields to make up the video frame both fields represent the same instant in time 3 6 Modulation 5 In the sub menu Modulation the Modulation method can be changed The following options are available QPSK if SD Resolution is selected...

Page 20: ...t be changed To edit the modulation sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired modulation by pressing the Enter Button To exit this submenu press Enter Button 3 7 Latency 6 In the sub menu Latency the latency can be chosen There are two settings Ultra low and Standard If low latency is your requirement then please use the Ultra low s...

Page 21: ...e required Audio input can be chosen EMBED Embedded LINE Please set the transmitter Audio input to match the selected Audio input source For example if you use a microphone or line audio then please chose the option LINE If Embedded Audio will be used then EMBEDDED must be selected To edit the AUDIO SELECT sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and sel...

Page 22: ... microphone then please chose the option MIC Having chosen MIC then you must check further settings under sub menu points Mic Gain Mic Phantom Correspondingly the choice of LINE Option for an external Audio signal would require checking and adjusting the settings for point 7 Line Gain To edit the audio input sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and s...

Page 23: ...y pressing the Enter Button To exit this sub menu press Enter Button 3 11 Mic Phantom 12 and 13 In the MIC PHANTOM sub menu the use of a condenser Microphone is supported and ON or OFF can be set Note In general phantom voltages are used to power electronics within condenser microphones Condenser microphones require power for various parts of their operation including impedance converters preampli...

Page 24: ... please make sure that a microphone is connected to the audio inputs To edit the MIC L R PHANTOM sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired mic phantom by pressing the Enter Button To exit this sub menu press Enter Button OFF OFF MIC L PHANTOM MIC R PHANTOM ...

Page 25: ...display a bar is displayed This is an indicator of UHF receive strength the stronger the bar the stronger the signal at the antenna The frequency may be changed in 10Khz steps Please be aware that the RX frequency will have to match the TX frequency of the UHF data transmitter to enable remote operation of the camera To edit the data freq sub menu press Enter Button for 2 seconds Use the Up and Do...

Page 26: ...Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired power output by pressing the Enter Button To exit this submenu press Enter Button 3 14 Contrast 16 According to the brightness in your surrounding you may want to adjust the Display Contrast The range is between 0 Dark to 31 Bright The contrast value at delivery is 8 To edit the display contrast sub menu p...

Page 27: ... 240 seconds in 15 second steps before it switches off Edit mode is reached by pressing Enter Button for 2 seconds Here through buttons 1 2 the desired duration value can be entered Please confirm selection with Enter Button To edit the display off sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired option for display off by pressing the Ente...

Page 28: ...are and after that and while the unit is switched on remains visible however if power is removed for any reason please go back to menu point 14 and repeat the procedure to reach menu point 16 again The complete transmitter performance can be influenced with the changing of the Firmware Here the choice of HI QUALITY will give you the best picture quality however with a slight penalty on the latency...

Page 29: ... press Enter Button for 2 seconds After 2 seconds release Enter Button and press Up Button arrow up you have now reached the special Encoder FW menu As explained above you can now choose between the special settings HI QUALITY and FAST SPEED Please confirm the selection with Enter Button and wait After approximately 10 seconds please perform a re boot ...

Page 30: ...l HD camera with Battery mounts for wireless applications As an example we take the Sony 1450 1500 or 1550 camera which are the most frequent cameras in the broadcast section Caution The original cameras have no mount and no support for batteries Also we as BMS do not recommend screwing a bracket on a camera for a day by day use Therefore we are trying to use original Sony brackets or for other ca...

Page 31: ...rs at the camera Please configure the SDI connector in the camera menu Set the SDI connector to HD SDI output Before you proceed to the next step please make sure which kind of HD video signal you get at the output connector of the camera The best way to check this is to connect the programmed output connector of the HD camera with a HD control monitor which will show the user the parameter of the...

Page 32: ...ution Frame rate 1080p 23 98 1080p 24 1080i 50 1080i 59 94 1080i 60 720p 50 720p 59 94 720p 60 Please write down the video settings which you get from the HD control monitor regarding resolution and frame rate You will need these settings later when you have to configure the transmitter otherwise you will not be able to transmit a video signal ...

Page 33: ... mount bracket until it snaps in 3 After you have fixed the adaptor on the camera you will have to connect the cables to the camera therefore you have to open the back of the adaptor to be able to get access to the connectors Press the little lever down and open the back door of the adaptor Now you have free access to all the connectors on the back of the camera ...

Page 34: ...a and then to the transmitter First connect the short BNC video cable to the HD SDI video output connector After that connect the remote cable Hirose connector to the remote connector of the camera There is a 4 pol XLR cable which is fixed at the adaptor please connect this cable to the DC input of the camera as shown in the picture ...

Page 35: ...e transmitter on the backside of the camera 5 When you have finished connecting the cables to the camera please close the door of the adaptor fix the two antennas on the transmitter and fix the transmitter to the adaptor To fix the transmitter to the adaptor push the transmitter from up to down until it snaps into the V mount bracket Caution Please double check that the transmitter is firmly attac...

Page 36: ... to the Audio 5pol Lemo and the HD SDI video cable to the SDI connector 7 The next step will be to turn on the camera and the transmitter Caution Be sure that the antennas are fixed Be sure that all the cables are connected Now push the battery into the V mount adaptor until it snaps in After you attached the battery the transmitter will start automatically If the camera is turned off please turn ...

Page 37: ...ecked the output video signal of the HD camera with its resolution and frame rate and which you have written down Please make a note of these settings and configure the transmitter likewise This is very important Note Configure the transmitter with the same parameters of the HD video signal you checked with the HD control monitor At this point the transmitter is receiving the right signals and you...

Page 38: ...ns Standard FBAS German for CVBS FEC Forward Error Correction FM Frequency Modulation analog modulation procedure IF Intermediate Frequency IEC International Electro technical Committee ISO International Standards Organisation kbit s 1000 bits per second Mbit s Million bits per second MP ML Main Profile at Main Level A subset of the MPEG 2 standard which supports digital video storage DVD etc and ...

Page 39: ...erial Digital Interface TS Transport Stream XLR Audio connector featuring three leads two for signal and one for GND YUV Y Luminance component brightness U and V chrominance color difference Y C Broadcast Video with separate color Y luminance and C chroma sometimes called S Video ...

Page 40: ...requency interference characteristics of information technology equipment Class A EN 61000 3 23 European Electromagnetic Compatibility EMC Part 3 Limits Section 2 Limits for harmonic current emissions equipment input current 16 A per phase EN 61000 3 33 European Electromagnetic Compatibility EMC Part 3 Limits Section 3 Limitation of voltage fluctuations and flicker in low voltage supply systems fo...

Page 41: ...thin certain voltage limits B 1 5 FCC Marking FCC ID VFB CT2020HD 2000 for P N 11 2422 500 VFB CT2020HD 2300 for P N 11 2422 100 Radio Frequency Interference FCC 15 105 This equipment has been tested and found to comply with the limits for Class B digital devices pursuant to Part 15 of the FCC Rules This equipment generates uses and can radiate radio frequency energy and if not installed and used ...

Page 42: ...eration is subject to the following two conditions This device may not cause harmful interference and This device must accept any interference received including interference that may cause undesired operation Modifications FCC 15 21 Changes or modifications to this equipment not expressly approved by BMS may void the user s authority to operate this equipment ...

Page 43: ...t HDSDI BNC f Audio Input 2x Analogue audio in Line or Mic Level 5pol Lemo Modulator COFDM ETS 300744 2k carriers only Bandwidth 8 MHz QPSK 16 QAM 64 QAM RF Output Power 400 mW Power Input 11 to 17 5 VDC Power Consumption 23W Operating Conditions Ambient temperature 20 C to 45 C Dimensions W x D x H 272 mm x 106 mm x 56 mm without Battery bracket Weight 1 45 kg approx ...

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