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Chapter 4: Operating the Equipment

Reference Guide: CT6020HD

Page 18

March 09

3.5 Modulation (4)

In the sub menu “Modulation” the Modulation method can be changed. The following
options are available:

•

QPSK (if SD Resolution is selected)

•

16 QAM (if SD Resolution is selected)

•

64 QAM (1080p/1080i/720p/SD)

Below table shows the Bitrates for the different modulation options. FEC and Guard
Interval will be changed automatically along with the selected modulation.

Bitrate for SD Modulations

Modulation

FEC

GUARD

BITRATE

QPSK

½

1/32

6.03 MBit/s

16QAM

½

1/32

12.06 MBit/s

64QAM

½

1/32

18.09 MBit/s

Bitrate for HD Modulations

Modulation

FEC

GUARD

BITRATE

64QAM

2/3

1/32

24.13 MBit/s

Note

If you have selected the HD resolution 1080p or 1080i or 720p a
modulation of 64QAM will be used and can not be changed.

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Содержание CT6020HD

Страница 1: ...ENGLISH UK REFERENCE GUIDE V 1 3 CT6020HD ...

Страница 2: ... 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 ...

Страница 3: ...tion 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 CT6020HD 9 1 1 Preliminary Remarks 9 1 2 Designation and P N 9 1 3 Description 10 2 Installing the Equipment 11 2 1 Safety instructions 11 2 3 Shut Down 13 3 Operating the Equipment 14 3 1 Multifu...

Страница 4: ... 15 Status 15 24 3 16 Encoder FW 16 25 4 APPLICATION NOTE FOR WIRELESS HD CAMERAS 26 4 1 Introduction 26 4 2 Mounting instructions for CT6020HD on the Sony 1500 camera 27 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 2 Technical Specifications B 3 ...

Страница 5: ...e of individual pages Any revision will be by a complete reissue Further copies of this Reference Guide can be ordered from the address shown on page viii 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 December 2008 1 0 Initial release 1 January 2009 1 1 Update 1 March 1 2 Notes adde...

Страница 6: ... 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 registe...

Страница 7: ...ctly 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 an...

Страница 8: ...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 Services a...

Страница 9: ...n operation maintenance and daily use of the unit in general The manual should be kept with the CT6020HD 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 CT6020HD Fr...

Страница 10: ...asing miniaturization 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...

Страница 11: ...efore starting the unit by connecting it to 12VDC Essential a valid video signal must be connected to the desired input before power on the CT6020HD When you connect the CT6020HD 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...

Страница 12: ...W 23dBm Connecting Signal Sources The Video signal supplied by the camera has to be applied to the HDSDI BNC f connector of the transmitter The 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 UHF Data Input ...

Страница 13: ...to comply with these requirements may cause fatal damage to the battery power pack and or CT6020HD Battery Powered Operation of the CT6020HD 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 first disconnect it from the 12VDC supply voltage After disconnection from the supply voltage by removing the battery or disc...

Страница 14: ...Multifunctional display During start up the 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 UHF Data Receive Quality 6500 MHz 2 Down Button 1 Up Button 3 Select Button Display ...

Страница 15: ...ION 5 LATENCY 6 AUDIO INPUT 7 LINE GAIN 8 MIC GAIN 9 MIC PHANTOM 10 DATA FREQ 11 OUTPUT POWER 12 CONTRAST 13 DISPLAY OFF 14 SOFTWARE 15 STATUS 15 ENCODER FW after a re start please reset this option 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 3 2 Frequency input 1 At the frequency menu the cur...

Страница 16: ...e changed frequency and leave this sub menu press Enter button after all digits of the frequency are set 3 3 Resolution 2 In the sub menu Resolution the desired resolution of your transmitter can be chosen Four options for resolution are available For proper selection please check the video output of your camera SD 720p 1080i 1080p To edit the resolution sub menu press Enter Button for 2 seconds U...

Страница 17: ...SD 60 Hz 1080i 720p SD To edit the frame rate sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired frame rate by pressing the Enter Button To exit this submenu press Enter Button Note With PsF a progressive frame is sliced into two segments with the odd lines in one segment and the even lines in the other segment This allows for a progressive ...

Страница 18: ... Below table shows the Bitrates for the different modulation options FEC and Guard Interval will be changed automatically along with the selected modulation Bitrate for SD Modulations Modulation FEC GUARD BITRATE QPSK 1 32 6 03 MBit s 16QAM 1 32 12 06 MBit s 64QAM 1 32 18 09 MBit s Bitrate for HD Modulations Modulation FEC GUARD BITRATE 64QAM 2 3 1 32 24 13 MBit s Note If you have selected the HD ...

Страница 19: ...the option Standard To edit the latency sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired latency by pressing the Enter Button To exit this submenu press Enter Button 3 6 Audio Input 6 In the sub menu Audio Input the required Audio input can be chosen LINE MIC EMBEDDED Please set the transmitter Audio input to match the selected Audio input...

Страница 20: ...e available if you have selected Line as your input source Line amplification options are 00dB 10dB in 1dB steps 65dB To edit the line gain sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired line gain by pressing the Enter Button To exit this submenu press Enter Button 3 8 Mic Gain 8 Sub menue MIC GAIN will become available if you have selec...

Страница 21: ...te 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 preamplifier circuitry and in some cases to polarized microphone capsules Phantom is usually a DC voltage ranging from 12 to 48 volts Microphones draw current from this voltage based on their needs To edit ...

Страница 22: ...he 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 Down Buttons for navigation and select the desired data freq by pressing the Enter Button To exit this submenu press Enter ...

Страница 23: ...splay contrast sub menu press Enter Button for 2 seconds Use the Up and Down Buttons for navigation and select the desired display contrast by pressing the Enter Button To exit this submenu press Enter Button 3 13 Display OFF 13 The sub menu Display OFF controls the automatic switch off function If you wish to have the display always on this should be set to OFF Otherwise you have the possibility ...

Страница 24: ...ware and Firmware versions number 3 15 Status 15 This sub menu displays the actual Status N B This menu is reachable through menu point 14 Software 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 15 again To enable the Status Menu Please go to the Menu point Soft...

Страница 25: ...tency however with a penalty on the picture quality Please be aware When this setting is changed the transmitter must be completely re started This is achieved by separating the transmitter from the power supply Please wait 10 seconds before connecting the transmitter back to the power supply Because new Firmware has been loaded a 5 minute re boot is required A table indicates the re boot status T...

Страница 26: ...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...

Страница 27: ...s 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 ...

Страница 28: ...tion 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 ...

Страница 29: ...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 ...

Страница 30: ... 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 ...

Страница 31: ... 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 attach...

Страница 32: ...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 t...

Страница 33: ...cked 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 ...

Страница 34: ...ommunications 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 D...

Страница 35: ...A 232 SDI Serial 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 ...

Страница 36: ...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...

Страница 37: ... relating to electromagnetic compatibility 73 23 EEC of 19 February 1973 on the harmonisation of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits B 1 5 FCC Marking FCC ID VFB CT6020HD Radio Frequency Interference 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...

Страница 38: ...n Modifications Changes or modifications made to this equipment not expressly approved by Broadcast Microwave Services may void the FCC authorization to operate this equipment Radiofrequency radiation exposure Information This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum distance of 20 c...

Страница 39: ... 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 200 mW Power Input 11 to 18 VDC Power Consumption 30W 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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