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Chapter 5: Local control of the equipment 

 

 
 

User’s Manual: DT-02 Series 

 

27

 
Pressing right arrow the parameter changes from one option to another. 
There is no need to confirm the change. 

 
The selected modulation scheme can be observed in the second line of the 
main screen.  
 

 

 

Figure 3.4 Main screen. Modulation scheme parameter highlighted 

 
Bear in mind that the QPSK is the most robust modulation scheme and 64 
QAM the least robust. On the other hand, using 64QAM modulation a higher 

bitrate can be transmitted. 

3.5

 

FEC (Forward Error Correction) 

 
The ETSI EN 300744 defines five FEC types (1/2, 2/3, 3/4, 5/6 and 7/8) for 

the COFDM transmission system.  
 
To configure the FEC to be used in transmission, once in SETUP menu:  
1.

 

Select line no.5 (FEC) using Up and Down arrows. 

2.

 

Press right arrow to change the value of this parameter.  

 
Pressing the right arrow the parameter changes from one value to another. 
There is no need to confirm the change. 
 
The FEC value is related to the redundant bits that are introduced in the 
transmitted signal in order to correct in the receiver the possible errors that 

have occurred during the transmission. So, the higher the FEC value (1/2) 
the more protected the transmitted signal will be, although the useful 
bitrate decreases 
 

3.6

 

Guard interval (1/4, 1/8, 1/16 o 1/32) 

 
To configure the guard interval to use in the transmission: 
1.

 

Using Up and Down arrows select line no.6 (Guard Interval) in the 
SETUP menu.  

2.

 

Press right button to change the value of this parameter. 

 
Pressing the right arrow the parameter value changes from one option to 
another (1/4, 1/8, 1/16 o 1/32). There is no need to confirm the change. 
 

Содержание DT-02 Series

Страница 1: ...DT 02 Series COFDM DIGITAL CAMERA TRANSMITTER USER S MANUAL SVP Broadcast Microwave...

Страница 2: ...outputs power supply remote control and physical and environmental characteristics Chapter 4 Front panel controls on the transmitter unit This chapter offers detailed descriptions of all controls on t...

Страница 3: ...Preliminary pages User s Manual DT 02 Series ii...

Страница 4: ...r selecting this equipment and welcome you to the SVP s growing family of products We are sure that the addition of this equipment to your existing installation will cause you nothing but satisfaction...

Страница 5: ...uipment s maximum output power is 100mw 5 It is important to take special care in 2400 to 2500MHz band due to the possible presence of Wi Fi signals 6 If second audio or data channel are not to be use...

Страница 6: ...Contents 1 Description 1 List of figures Figure 1 1 DT 02 Camera transmitter 2 Figure 1 2 DT 02 Camera transmitter Front view 3 Chapter 1 Introduction...

Страница 7: ...osen so that the sub carriers are orthogonal to each other meaning that cross talk interference between the sub channels is eliminated The orthogonality allows high spectral efficiency On the other ha...

Страница 8: ...tal camera transmitter applies a MPEG2 compression to either video or SDI input signal together with their corresponding 4 analogue audio signals or digital embedded audio signals respectively The res...

Страница 9: ...scheme the forward error correction rate FEC the guard interval and other important and decisive parameters as transmission frequency and transmission power The equipment also offers the possibility t...

Страница 10: ...port Stream 8 6 Antenna 9 List of figures Figure 1 1 DT 02 Camera transmitter s connections 5 Figure 1 2 DT 02 Camera transmitter s front panel 6 Figure 1 3 DT 02 Camera transmitter s rear panel 6 Fig...

Страница 11: ...ont panel In chapter 3the features of each connection are explained With the equipment audio video and power supply cables are supplied All the input output connections of the camera transmitter are s...

Страница 12: ...Chapter 2 Connections User s Manual DT 02 Series 6 Figure 1 2 DT 02 Camera transmitter s front panel Figure 1 3 DT 02 Camera transmitter s rear panel...

Страница 13: ...t is out of that range the LED of the equipment blinks green and red showing an alarm Moreover the equipment s display alternates the main screen with another that the power supply voltage is shown bl...

Страница 14: ...udio The DT 02 has 4 analogue audio input signals that are inserted in pairs via two 5pin Lemo 0B connectors on equipment s rear panel Only balanced audio signals are accepted Audio cables are supplie...

Страница 15: ...transmitter remote control The transmitter can transmit data at different bitrates or data direct from a GPS The DT 02 can also be controlled remotely by commands via RS 232 connection 7 Antenna The a...

Страница 16: ...sical characteristics 13 5 Environmental conditions 14 List of tables Table 1 1 SDI Input features 11 Table 1 2 Composite Video Input features 11 Table 1 3 Audio input features 12 Table 1 4 DVB ASI tr...

Страница 17: ...sert up to four embedded audio channels Bit rate 270Mbit s Video encoding standard MPEG 2 ISO IEC 13818 2 422P ML MP ML 4 2 0 Latency Standard 800ms Super low delay 80ms Aspect ratio 4 3 16 9 1 2 Comp...

Страница 18: ...frequency 48 KHz Bit rate 256 o 384 Kbit s selectable Encoding standard MPEG 1 L2 Signal to noise ratio 80dB The pinout of the audio connector is Pin 3 Ground Pins 1 and 2 Audio L signals Pins 4 and 5...

Страница 19: ...AM Guard interval 1 4 1 8 1 16 1 32 FEC 1 2 2 3 3 4 5 6 7 8 Transmission mode 2K 3 1 DC Power supply Table 3 1 DC power supply features Item Feature Connector label POWER D C Connector type 4 pin Lemo...

Страница 20: ...Chapter 3 Technical features User s Manual DT 02 Series 14 Table 5 1 Environmental conditions Item Feature Operation temperature range From 10 C to 55 C 5 Environmental conditions...

Страница 21: ...FF the equipment POWER ON OFF 16 2 Up Down Left and right arrows 16 2 1 Left button 17 2 2 Right button 17 2 3 Up and Down buttons 18 List of figures Figure 1 1 On Off button 16 Figure 2 1 Up Down Lef...

Страница 22: ...is displayed MPEG 2 4 2 2 or MPEG 2 4 2 0 Latency Standard delay or Super Low Delay Modulation Scheme QPSK 16QAM o 64QAM FEC 1 2 2 3 3 4 5 6 o 7 8 Guard Interval 1 4 1 8 1 16 o 1 32 Transmitted bitrat...

Страница 23: ...e a parameter has been selected pressing this button the option selected changes For example the modulation scheme has 3 options QPSK 16QAM or 64QAM the input video type has also 3 options Analogue Vi...

Страница 24: ...enus Using this buttons the submenu to be entered o the parameter to be changed is selected Once selected to enter to it right button has to be pressed This buttons are also used to change the frequen...

Страница 25: ...Audio Options 29 3 11 Data GPS Channel options 30 4 Monitor Menu 34 4 1 Frecuencia de transmisi n 36 4 2 Transmisson power 36 4 3 Input type selection 36 4 4 Modulation 36 4 5 FEC Forward Error Corre...

Страница 26: ...ort Stream 26 Figure 3 4 Main screen Modulation scheme parameter highlighted 27 Figure 3 5 GPS data transmission enabled 31 Figure 3 6 Data channel enabled 31 Figure 3 7 Data channel disabled 31 Figur...

Страница 27: ...X Input signal type selection and detection Video SDI or DVB ASI Transport stream When the selected input is ASI Transport Stream the equipments displays the input signal bitrate If the selected input...

Страница 28: ...ameters can be changed The equipment is configured from this menu In the main menu Up and Down buttons are used to select which menu monitor or setup to access Once the option has been selected Right...

Страница 29: ...2 2 Delay est ndar 800ms o muy bajo retardo 80ms System PAL o NTSC Aspect ratio 4 3 o 16 9 10 Audio options Input type analogue o SDI embedded Audio 1 enable disable Audio 1 rate Kbps Audio1 L micro o...

Страница 30: ...f the frequency set is out of range for example in the transmitter which works on 2200 to 2600MHz band the equipment is locked to 2200MHz if the frequency set is lower than 2200MHz or to 2600 MHz if i...

Страница 31: ...ct line no 3 input select using Up and Down arrows 2 Press right arrow to change the input signal type Pressing the right arrow the input signal type is changed there is no need to confirm the selecti...

Страница 32: ...nal When the selected input type is ASI the main screen shows Input Bitrate Signal presence absence Figure 3 3 Main screen Selected input type ASI Transport Stream If the input bitrate is higher than...

Страница 33: ...elect line no 5 FEC using Up and Down arrows 2 Press right arrow to change the value of this parameter Pressing the right arrow the parameter changes from one value to another There is no need to conf...

Страница 34: ...ckets identifier PMT PID PMT Program Map Table information packets identifier PCR PID PCR Program Clock Reference information packets identifier Prog Number Program number To change the value of each...

Страница 35: ...irm the change 3 10 Audio Options The configuration of the audio parameters is done as explained below 1 Once in the SETUP menu using Up and Down arrows move to line no 10 Audio options 2 Press Right...

Страница 36: ...tted we recommend disabling the audio channels that are not going to be used That way the bitrate for the video signal increases and so does the video signal quality To configure these parameters 3 In...

Страница 37: ...he main screen the data channel indicator displays a D Figure 3 6 Data channel enabled If the data channel is disabled the data channel status indicator shows a D over black background Figure 3 7 Data...

Страница 38: ...n When help word is typed and then enter pressed on the PC keyboard the instructions that the transmitter accepts and their syntax are displayed Figure 3 10 Instructions accepted by the transmitter To...

Страница 39: ...mation To switch off the transmitter remotely second function must be typed see figure 3 10 When the DT 02 carries out the function a parameter is changed OK word is displayed on hyperterminal screen...

Страница 40: ...itor Menu The Monitor menu is used to monitor the status of different parameters of the DT 02 camera transmitter It cannot be used to configure these parameters To Access the Monitor Menu press Left b...

Страница 41: ...Pid Data Pid PMT Pid PCR Pid Program number 10 Transmission bitrate Mbps 11 Video options Profile MPEG 2 4 2 0 or MPEG 2 4 2 2 Delay Standard or Super low delay System PAL or NTSC Aspect ratio 4 3 or...

Страница 42: ...he parameter is monitored in the main screen 2 To see it using Monitor menu use Up and Down arrows to go to line no 3 of the Monitor menu When the configured input signal type is not the same that the...

Страница 43: ...to select the line of the parameter that is to be checked L nea 1 Video Pid video packets identifier L nea 2 Audio 1 Pid Audio 1 packets identifier L nea 3 Audio 2 Pid Audio 1 packets identifier L nea...

Страница 44: ...9 18 43 19 52 20 11 7 8 17 42 19 35 20 49 21 11 64 QAM 1 2 14 93 16 59 17 56 18 10 2 3 19 91 22 12 23 42 24 13 3 4 22 39 24 88 26 35 27 14 5 6 24 88 27 65 29 27 30 16 7 8 26 13 29 03 30 74 31 67 4 11...

Страница 45: ...in the SDI signal o Group 1 Audio DID 767 o Group 2 Audio DID 509 o Group 3 Audio DID 507 o Group 4 Audio DID 761 Line 3 Audio 1 Enable Disable Line 4 Audio 1 Rate 128 160 192 224 256 320 384 bitrate...

Страница 46: ...s in the main screen In this case transmitter configuration constellation scheme guard interval and or convolutional coding will have to be changed so that overflow does not occur Line 4 Packet format...

Страница 47: ...ps to 60 C the alarm is cancelled 4 16 Data channel options To observe the value of the parameters related to the data channel 1 Using Up and Down arrows move to line no 16 in the Monitor menu 2 Enter...

Страница 48: ...gered and the input bitrate value in the main screen blinks Therefore transmitter configuration constellation scheme guard interval and or convolutional coding will have to be changed so that overflow...

Страница 49: ...T 02 Series 43 Contents 1 Introduction 44 2 Application example 45 2 1 Iphone application 45 List of figures Figure 2 1 DT 02 applications example 45 Figure 2 2 Iphone application 46 Chapter 6 Possibl...

Страница 50: ...atus Configuration 2 Operating together with the PA 04 Advantages a Compact and lightweight high power transmitter b Installation in vehicles is not a problem because both equipments have a wide power...

Страница 51: ...broadcast the transmission operator should be able to control the receiver and monitor the received signal To reach this aim the following working scheme is suggested First the receivers should be co...

Страница 52: ...Chapter 6 Applications User s Manual DR 70 Series 46 The figure below shows the scheme to be used Figure 2 2 Iphone application...

Страница 53: ...Chapter 6 Applications User s Manual DR 70 Series 47 Notes...

Страница 54: ...y can be derived from the information illustrations or descriptions contained in this manual The texts illustrations and instructions in the manual are based on the existing situation when the manual...

Страница 55: ...crowave reserves the right to make changes to this manual and to the equipment without prior notice SVP Broadcast Microwave C Zubiaurre 7 bajo 48215 Iurreta Vizcaya Espa a Tel 34 94620 3722 svpbm svpb...

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