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TV Explorer HD DTMB user manual

1. WP AP 21 19 17 15 13 119 7 5 3 1 Figure 71 Scart socket external view Also known as PERITEL connector in conformity with standard NF C92250 The signals in this connector are the following PIN number SIGNAL CHARACTERISTICS 1 Right channel audio output Right channel audio input 3 Left channel audio output 4 Audio grounding 5 Blue grounding B 6 Left channel audio input 7 Blue output B 8 Switching voltage 9 Green grounding G 10 Digital bus interface not connected 11 Green output G 12 Digital bus interface not connected 13 Red grounding R 14 Digital bus reserved not connected 15 Red output R 16 Blanked signal not connected 17 Composite video grounding 18 Blanked return not connected 19 Composite video output 20 Video input 21 Connector shield grounding Table 6 Description of the Scart In order to select the SCART connector operation mode between video Input video Output or Automatic from the TV visualisation mode 10 in terrestrial band follow the following steps n 1 Select the Measurement Configuration menu by pressing the n7 key and verify that the type of signal selected is ANALOGUE 2 Select the suitable operation mode for the SCART by means of the Video Aud Ext option in this menu Page 96 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 6 6 C
2. 30 5 3 Selecting the Operation Mode TV Spectrum Analyser Measurements 31 5 4 Channel Tuning Frequency Tuning eeeeeessesseeeeeeeeeeee nnn 31 5 5 Automatic Transmission 32 5 6 Selecting the measurement configuration Analogue Digital signal 32 5 7 External Units Power UpDply suusexecemunziu bo 32 5 8 Automatic signal identification function AUTO ID 33 59 Ohannel pans E T EL m T 35 5 10 Acquisition function Datalogger sees 37 5 10 1 Datalogger for Attenuation and IF SAT 38 5 11 Verification of distribution 39 5 12 Spectrum exploration function 41 5 13 Measurements configuration 42 5 13 1 DVB C QAM Digital Channel Configuration 42 5 13 2 DTMB Digital Channel Configuration sees 44 5 13 3 DVB S S2 QPSK 8PSK Digital Channel Configuration 44 5 14 Selecting the nnns 47 5 14 1 Analogue TV Measuring the Video Carrier
3. 48 5 14 2 Analogue TV Measuring the Video Audio ratio V A 50 5 14 3 Analogue TV Measuring the FM 50 5 14 4 Analogue FM Measuring the Level and demodulating signal 51 5 14 5 Analogue Digital TV Measuring the Carrier Noise ratio C N 51 5 14 6 Digital TV Measuring the Power of Digital Channels 53 5 14 7 Digital TY Measuring tando beet s 54 SAZI TTUET J 83 B SidllalS A 55 5 14 72 DVE G auti ret ne i DOE a N 56 SN SONAS S cc 57 5 14 74 DVB S S2 5lghalS busbubadunueee cd 58 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 14 8 Digital TV Measuring 61 5 15 Constellation usurpant oc tenute testa qua dd area Eo ada 63 5 15 1 ITU T J 83 B QAM Annex B 63 5 15 1 1 Zoom scroll and erasing 64 SNPs M 65 5 15 3 DVB C QAM SIG Mall 66 5 15 4 DVB S S2 OPSK SPSR SIORl 66 oM sies INO FY i PME TU Tm 68 I o om 70 5516 2 OPECIN
4. 70 5 16 2 1 Spectrogram 72 5 16 2 2 Recall a Spectrogram file 73 5 16 2 3 Delete a Spectrogram file cesses 74 5 17 ECHOES and PRE ECHOES Analyser 74 SNMP here nti oar ENE REAR NER 77 SN Maece TL 77 519 2 Te 78 5 19 PRINT SCREEN Gu dad da ince 78 5 20 VIEWPFRINT SCREEN deine 79 5 21 USB On the Go Function ult Ca osi ub as us eid Dona fuc ecu wc Ul 79 5 21 1 Connection of TV EXPLORER HD DTMB host to a USB flash drive slave 79 5 21 1 1 Connecting a computer host to the TV EXPLORER HD DTMB slave 81 5 22 Setting the esee 82 5 23 Ee cuu 84 5 23 1 Recording and playing video 88 5 24 Antenna Alignment Function nennen 89 5 25 DiSEqC Command p x exu beo xxxn iln mago Rua 90 DA NIE M 92 5 27 Using the alphanumeric ennn reenen nnee 92 6 DESCRI
5. Only terrestrial band Selects the function for testing signal distribution networks in terrestrial band Function to automatically acquire measurements Displays the available acquisition list Deletes an acquisition previously recorded Users can delete one by one or all of them by selecting the option ALL Saves with a file name the capture screen in order to be later processed Only for digital signals Recall a constellation diagram stored in memory Recall a Spectrogram graph stored in memory Recall a signal spectrum previously stored It allows deleting a captured screen by selecting it from its folder constell for constellations mer for merograms sp for spectrum other for the rest It displays the screens that have been captured by the print screen function It allows deleting a selected print screen Only for the new channel plans made Delete the channel plan selected Delete a channel from the active channel plan Add a channel to the current channel plan from another standard list of channels Exit from Utilities 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX It activates the Preferences menu long pulsation Language Beep Skin Light Sensor Power measure Ter Identify Analog Identify Min Ter Power Min Ter Level QAM A Identify Min Sat Power C N 11 2013 Selects the language between GERMAN ENGLISH SPANISH FRENCH ITALIAN CATALAN POR
6. Page 62 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 5 15 Constellation Diagram The constellation diagram is a graphic representation of the digital symbols received over a period of time There are different types of constellation diagrams for the different modulation modes With the TV EXPLORER HD DTMB it is possible to display constellations for DTMB DVB C DVB S and DVB S2 signals In the case of an ideal transmission channel free of noise and interferences all symbols are recognised by the demodulator without mistakes In this case they are represented in the constellation diagram as well defined points hitting in the same area forming a clear dot Noise and impairments cause the demodulator to not always read the symbols correctly In this case the hits disperse and create different shapes that at the end will allow to determine at a glance the type of noise in the signal Each type of modulation is represented in a different way A 16 QAM signal is represented on screen by a total of 16 different zones and a 64 QAM is represented by a diagram of 64 different areas and so on The constellation shows in different colours the density of hits and includes zooming scrolling and clearing functions for a better graph representation on screen 5 15 1 ITU T J 83 B QAM Annex B signal Go to the UTILITIES menu by pressing the 8 22 key and then select the CONSTELLATION option For example the modulation type ITU
7. 1 pressed until the equipment is powered on 2 Connect the RF signal source in the input connector 30 Figure 2 Power and signal connection 11 2013 Page 15 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB STEP 3 To carry outa complete channel band exploration 5 m8 l Select the frequency band to explore v 14 terrestrial or satellite 2 Activate the exploration process by holding 2 25 key pressed 3 Press 10 key to visualise the channels detected and right or left 6 to change between channels from detected channels list STEP 4 To carry outthe tuned channel identification E 1 Select the frequency band explore v 14 terrestrial or satellite 2 Activate the identification process pressing once on 2 25 key 3 Press 10 key to visualise the signal detected from channel or frequency 4 identified or 13 to monitor the corresponding spectrum NOTE In the case that is desired to explore or identify DVB C signals it is necessary to select previously DVB C standard as digital signal identifier through 5 22 PREFERENCES menu STEP 5 Making measurements 1 Select the channel or frequency 24 to measure by means of the rotary selector Fr e Vn 3 2 Press 7 12 key to select the type of measurement until on screen appears the corresponding measurement Page 16 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX STEP 6 Frequency spec
8. Figure 8 Rear panel view 38 CAM module extraction button Press it to remove a CAM module inserted into the connection socket 38 39 HDMI Connector High Definition Multi media Interface 40 USB Connector It enables the communication with a PC and to download dataloggers and channel plans 41 CAM module connection socket Enables the conditional access desencryption of encoded digital TV signals in agreement with DVB CI Common Interface recommendation 42 TS ASI Output 43 TS ASI Input 5 2 Adjustment of Volume and Monitor Parameters je Repeatedly pressing the ans 20 key sequentially activates the VOLUME CONTRAST BRIGHTNESS SATURATION and HUE control menus this last only for NTSC colour system On activation of a menu for a specific parameter the screen displays a horizontal bar whose length to the parameter level to modify this value simply turn the rotary selector Lo 1 To exit the menu and validate the new ea value press the rotary selector LO 1 Page 30 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 5 3 Selecting the Operation Mode TV Spectrum Analyser Measurements The TV EXPLORER HD has three basic operation modes TV Spectrum Analyser and Measurements To switch from TV operation mode to the Spectrum 4 Analyser press 13 key To switch to the Measurements mode press 12 key In the TV operation mode the demodulated television
9. USER S MANUAL TV EXPLORER HD DTMB The modulation type DVB S QPSK or DVB S2 8PSK is showed on screen Next the frequency and channel number corresponding to the channel plan selected as well as the satellite downlink frequency Finally it shows the status line similar to the measurement screen MODULATION DVB S QPSK 1139 00 MHz F B ES ATE 11390 0 cH DECAY 16 BNET Figure 46 Constellation Diagram DVB S QPSK signal When selecting a constellation diagram for DVB S2 signals on screen will appear the following information a MODULATION DOVE S2 PSE F 1139 00 MHz mE ATE 11390 0 16 DECAY ZOOM x1 CLEAR Figure 47 Constellation Diagram DVB S2 8PSK signal Page 67 11 2013 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB NOTE The transmission quality is visualised in a qualitative way using a colour range for the symbol density concentrated in a certain area This colour coding goes from black no symbols to red maximum density and runs from blue to yellow in ascending order A greater dispersion of the symbols indicates greater level of noise or worse signal quality If concentration of symbols or noise appears is indicative of good carrier noise ratio or absence of problems as phase noise etc 5 16 Spectrum Analyser The Spectrum Analyser mode allows the user to discover the signals present in the frequency band in q
10. 4QAM 4QAM NR 16QAM 32QAM 64QAM 8 MHz 240 720 16 32 64 128 256 QAM 1000 to 7000 kbauds 0 15 Selectable ON OFF Page 5 AX PFHROMIAX DVB S SIGNAL PARAMETERS S ymbol rate Roll off a factor of Nyquist filter Code Rate Spectral inversion DVB S2 SIGNAL PARAMETERS S ymbol rate QPSK Symbol rate 8PSK Roll off a factor of Nyquist filter Code Rate QPSK Code Rate 8PSK Spectral inversion Pilots STANDART VIDEO Format Services decoding HD VIDEO Input resolution Aspect Ratio HDMI Output Resolution Audio Compression type USER S MANUAL TV EXPLORER HD DTMB 2 to 45 Mbauds 0 35 1 2 2 3 3 4 5 6 7 8 and AUTO Selectable ON OFF 1 to 45 MSps 1 to 45 MSps 0 20 0 25 and 0 35 1 4 1 3 2 5 1 2 3 5 2 8 3 4 4 5 5 6 8 9 9 10 and AUTO 3 5 2 8 3 4 5 6 8 9 9 10 and AUTO Selectable ON OFF Indication if are present DVB MPEG2 MP HL Main Profile High Level MPEG 4 AVC 264 free or scrambled High Profile Level 4 1 Service list and PIDs 10801 720p and 576i 16 9 and 4 3 1920 x 1080 MPEG 1 MPEG 2 HE AAC Dolby Digital and Dolby Digital Plus MPEG 2 y MPEG 4 H 264 ANALOGUE SIGNALS MEASUREMENT LEVEL MEASUREMENT Measurement range Terrestrial TV amp FM bands Satellite TV band Reading Numerical indication Graphical indication Measurement bandwidth Audible indicator Page 6 10 to 130 3 16 uV to 3 16 V 30
11. Automatic Identification for an automatic identification of the signal see next figure Page 74 11 2013 USER S MANUAL TV EXPLORER HD DTMB ZXPROMAX ae AUTO ID FREQ 482 00 MHz DL 482 0 MHz CHANNEL 22 TESTING FOR ANALOG ANALOG DISCARDED TESTING DTMB POWER OK 51 6 gt 32 0 dByV TRYING CURRENT DTMB CONFIG SEARCHING DTMB CONFIG DIGITAL DTMB CANCEL Figura 51 Automatic identification of the signal Now the ECHOES function is available The steps to go through in order to select the ECHOES function are the next 5 Press short press the key w 22 Utilities to access the menu Utilities 6 Select the option DTMB ECHOES next figure Mas DTMB LBER 1 0 7 SSS DTMB ECHOES gt 26 4 dB 69 3 dBuV 22 5 dB gt lt 1 0 7 Figure 52 ECHOES Menu 7 Press the rotary knob It appears the ECHOES screen and the ECHOES detection starts The screen shows a graphical representation of the echoes and a list of the six most important echoes The horizontal axis of the graph corresponds to the delay in receiving an echo respect to the main path the most powerful signal The vertical axis represents the attenuation in dB of the echo respect to the main path At the top right area there is the frequency and channel tuned 11 2013 Page 75 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The user can also zoom in or zoom out the main path area just selecting the ZOOM button on the screen and
12. may appear on the screen due to the frequency beats between the sound chrominance and the picture frequencies If there is a chrominance carrier defect then the television colour amplifier must function at maximum gain which could result in noise appearing all over the television screen with points of colour that disappear when the saturation control is reduced in an extreme case loss of colour may occur 11 2013 Page 69 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 16 1 Markers Only in Spectrum Analyser mode The central marker indicates the central frequency or tuning frequency which can be moved by means of turning the rotary selector 9 1 as well in channel as in frequency tuning mode 24 When monitoring a digital signal spectrum also appears two additional markers at the sides which indicate the bandwidth of the digital channel See previous Figure If the highlighted measurement which appears on the measurement screen corresponds to C N the Spectrum Analyser mode will measure the C N ratio at the frequency indicated by the marker and a second marker will indicate the frequency for the noise measurement 5 16 2 Spectrogram The Spectrogram is a useful tool and it has been designed to detect problems in a wide range of frequencies These problems could appear at any time and sporadically The Spectrogram function makes a graphical representation of the frequency signal level regards to the time Each lev
13. to red maximum density and runs from blue to yellow in ascending order A greater dispersion of the symbols indicates greater level of noise or worse signal quality If concentration of symbols or noise appears is indicative of good carrier noise ratio or absence of problems as phase noise 11 2013 Page 65 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 15 3 DVB C QAM signal Sets on the UTILITIES menu by pressing the 22 key and select the CONSTELLATION option On screen appears the modulation type DVB C 256 QAM Also the frequency and channel number are indicated Finally it shows the type of DVB C broadcast network used MODULATION DVB C 256 QAM DECAY 16 ZOOM x1 CLEAR Figure 45 Constellation diagram DVB C QAM 256 signal NOTE The transmission quality is visualised in a qualitative way using a colour range for the symbol density concentrated in a certain area This colour coding goes from black no symbols to red maximum density and runs from blue to yellow in ascending order A greater dispersion of the symbols indicates greater level of noise or worse signal quality If concentration of symbols or noise appears is indicative of good carrier noise ratio or absence of problems as phase noise etc 5 15 4 DVB S S2 QPSK 8PSK signal Go to the UTILITIES menu by pressing the 22 key and then select the CONSTELLATION option Page 66 11 2013 AX PFROMIAX
14. 21 3 dB kHz POWER 55 8 dBuv MER 19 5 dB LBER gt 1 8E 2 Figure 11 Channel plans listing Keep the 24 key pressed in order to accede to the listing of channel plans available in the instrument and later select the current channel plan by means of the rotary selector 1 The TV EXPLORER HD DTMB allows directly changing the tuned channel pertaining to the active channel plan by means of the horizontal cursors 6 4 key From this way once selected the channel tuning field 24 and in the TV 10 and MEASUREMENTS 12 operation modes is possible to check cyclically the entire active channel list NOTE The icon A in the upper corner of the screen indicates that the equipment is carrying out an internal operation and user must wait to complete it Page 36 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 5 10 Acquisition function Datalogger The Datalogger function allows the user to carry out and store measurements in a fully automatic way It can store for each acquisition the measurements made in different points of the installation The measurements made are relevant to the current analogue or digital channel in the active channel plan To select the Datalogger function activate the UTILITIES 5 22 select the RUN DATALOGGER option Later by turning the rotary selector 1 select previously stored acquisition for instance if you want to keep making measur
15. LL SCREEN 16 9 Original Pd Table 4 Selecting the screen and SCART video format 11 2013 Page 87 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Therefore if the original video signal shows 4 3 format and a 4 3 video format is selected for the instrument screen will appear a PILLAR BOX format and if the 16 9 video format is selected will appear a FULL SCREEN format NOTE In order to obtain the video signal in the original format through the Scart connector the 16 9 format must be selected from the Measurements Configuration 20 17 menu 5 23 1 Recording and playing video streams When the display visualises a digital channel with the tuning information see previous section Press the UTILITIES 22 key to record or to reproduce a video sequence 8 In order to record the channel on tune press the UTILITIES 22 key and select the option PVR Recording by means of the rotary selector 9 1 On the picture will appear the Q icon stating that the channel is being recorded RECORDING SIZE 0 1MB 0 2Mb s VIDEO MPEG 2 4014kb s 25Hz VPID 111 AUDIO MPEU 1 L 1 160kb s APID 112 LANGUAGE en ME TWW 12 9 FREE MID l1z2b 4 SID 955 GFF Figure 64 Digital channel recording On screen appears the duration of the recorded sequence the size that occupies in the internal memory and the transport stream rate In order to stop
16. Pixels which are not detected when the distance from the surface of the TFT screen to the human eye is greater than 35 cm with a viewing angle of 90 between the eye and the screen should not be considered manufacturing defects either It is advisable a viewing angle of 15 in the 6 00 o clock direction in order to obtain the optimum visualization of the screen 7 2 Cleaning Recommendations CAUTION To clean the cover take care the instrument is disconnected CAUTION Do not use scented hydrocarbons or chlorized solvents Such products may attack the plastics used in the construction of the cover The cover should be cleaned by means of a light solution of detergent and water applied with a soft cloth Dry thoroughly before using the system again CAUTION Do not use for the cleaning of the front panel and particularly the viewfinders alcohol or its derivatives these products can attack the mechanical properties of the materials and diminish their useful time of life 1st Edition 11 2013 Page 99
17. To select this option go to the configuration menu and select the temporal reference end The tag begin indicates how many seconds you are from when starting the capture To select this option go to the configuration menu and select the temporal reference beginning On the Y axis are placed the frequency variables In this axis the initial and final frequencies are showed and depend on the Spectrum Analyser configuration For example if the Spectrum Analyser frequency is 650 MHz and the 100 MHz the Spectrogram will show as initial frequency 601MHz and end frequency 701MHz Finally near the end frequency the position of the cursor frequency is shown and on its right the signal level for this frequency To move among the parameters press the cursor keys UP or DOWN To change a parameter press the arrow keys LEFT or RIGHT or use the rotary selector 11 2013 Page 71 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 16 2 1 Spectrogram Configuration Before the capture begins the options must be configured Press the key 17 and an option menu will be displayed Temporal reference Save Begin The captured information will be showed on the display with initial reference 0 In this option the screen is not updated with news acquisitions unless the cursor is moved at the end of the capture Using the temporal position the cursor can be move through the entire file and the display will be updat
18. for example Freq 730 MHz 2 kHz Finally it is shown a status line with information about the detected signal The possible messages that can appear and its meaning are showing the following list The messages are exposed from less to more fulfilment of the MPEG 2 standard No signal received No signal has been detected Signal received A signal is detected but it can not be decoded MPEG 2 TS DTMB Correct detection of a MPEG 2 DTMB signal 5 14 7 4 DVB S S2 signals Once determined the parameters of QPSK signal it will be possible to measure BER Following is shown the BEH measurement before the error corrections BER before the FEC CBER Page 58 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX C N 15 1 dB POWER 74 2 DL Ku Ka MER 6 9 dB CH 99 1 4 2 1 4E 6 Figure 35 DVB S QPSK signals CBER measurement screen In a digital reception system for satellite signals DVB S after the QPSK decoder two different correction methods are applied see following Figure Obviously each time we apply an error corrector to a digital signal the error rate changes therefore if we measure in a digital satellite television system for example the error rate at the output of the QPSK demodulator at the output of the Viterbi decoder and at the output of the Reed Solomon decoder we obtain nothing more than different error rates This is the reason because the BER measuremen
19. 9 4 3 PAL SECAM and NTSC I D K and L Span dynamic range and reference level are variable by means of arrow cursors 40 dByV for a correct synchronism DVB MPEG 2 MP HL MPEG 4 AVC H 264 free or scrambled Common Interface by means of the users CAM module Scart 1 Vpp 75 Q positive video Scart 75 Q Scart Built in speaker Scart TV PAL SECAM NTSC system according to DTMB DVB C DVB S S2 and MPEG standards 50 us 75 us NTSC Digital frequency synthesis according to the TV standard USB On the go for datalogger and channel plans transfer Mass Storage Host The equipment can read write on Flash drives Serial Port Emulation USB CDC Communications Device Class 1 DVB ASI input and 1 DVB ASI output Female BNC impedance 75 Q Transport Stream of 188 or 204 bytes automatic detection 11 2013 Transmission USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Packet or burst mode EXTERNAL UNITS POWER SUPPLY Through the RF input connector Terrestrial and Satellite External or 5 13 15 18 24 V 22 kHz signal Selectable in satellite band Voltage 0 65 V 0 25 V Frequency 22 kHz 4 kHz Maximum power 5W DiSEqC GENERATOR According to DiSEqC 1 2 standard POWER SUPPLY Internal Batteries 7 2 V 12 Ah Li lon battery Autonomy 4 5 hours in continuous mode Recharging time 3 hours up to 80 instrument off External Voltage 12 V Consumption 40
20. DELETE CAPTURE Then it pops up a new menu where you should select Other Then select the file you want to delete 5 17 ECHOES and PRE ECHOES Analyser DTMB The ECHOES Analyser can detect and display echoes that may appear when receiving simultaneously the same signal from several transmitters Another reason that can cause echoes is the reflection of the signal on large objects such as buildings or mountains PRE ECHOES are signals received before the main signal arrives With the ECHOES function is possible to know the distance from where we are to the transmitter or the object that has caused the echo Thus the installer can minimise the effects of echoes on the facility Knowing echoes the installer is able to reposition the antenna and therefore reduce the effect of echoes received This feature is only available for DTMB signals Therefore you should configure the TV EXPLORER HD DTMB in order to receive this type of signals If not the ECHOES function will not appear on the menu Utilities The steps to go through to set up the digital terrestrial reception are the next 5 28 1 Press the key i 14 Satellite Terrestrial Band to select the TV terrestrial frequency band 2 Press the key 29 17 Measurement Configuration to select the measurement mode for Digital TV 3 Check the led indicator D and the led indicator T are lighted 4 Enter parameters manually to lock signal or press 25
21. ID TV EXPLORER HD DTMB allows automatically identifying TV signals according to the established configuration which are presents in the channel or tuned frequency In order to activate this function must once press 25 key Specially 4 useful is to combine this process with the spectrum monitoring 13 so that after locating the marker on the levels susceptible to contain a transmission and activating later the process of automatic identification in order to identify the present signal 11 2013 Page 33 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB a AUTO ID FREQ 482 00 MHz DL 482 0 MHz CHANNEL 22 TESTING FOR ANALOG ANALOG DISCARDED TESTING DTMB POWER 51 6 gt 32 0 dByuV TRYING CURRENT DTMB CONFIG SEARCHING DTMB CONFIG DIGITAL DTMB CANCEL Figure 9 Signal automatic identification screen AUTO ID First it recognises whether the signal is an analogue channel or a digital one If the channel is analogue it determines the television standard of the signal When the signal is digital DVB it analyses for each modulation type QAM QPSK 8PSK DTMB all the associated parameters such as the modulation system carriers symbol rate code rate etc and determines the value of the signals under test the AUTO ID function is launched in the spectrum analyser mode the name of the network will appear temporarily on screen it also appears in the measurement display In case of
22. IF SAT test at satellite band see section 5 11 Verification of distribution networks For it one of these tests should be activated previously as the following figure shows dBuw Figure 13 Attenuation Test Terrestrial band In order to make the automatic acquisition of these measurements select it from UTILITIES menu by pressing the 22 key and activating the RUN DATALOGGER option and later the NEW DATALOGGER option In the CHANNEL SET field will appear the type of test that the instrument is going to store automatically DATALOGGER CH DATE TEST POINT POINT 01 CHANNEL SET CCIR_ 01 48 30 MHz POWER MER LBER READY TO STAR Pa x T START Figure 14 Datalogger screen for Attenuation test frequencies Once the START option is selected the instrument will capture all test values corresponding to the three pilot frequencies in the active band When measuring is completed it will offer the options to store data or to start a new acquisition Page 38 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX DATALOGGER 1 50 DATAL OO DATE 18 01 2012 08 15 TEST POINT POINT_O1 CHANNEL SET CCIR_O1 826 00 MHz lt 2 7 dB kHz z 80 3 dB PILOT 10 0 0 dB gt 1 0E 2 Figure 15 End of data acquisition The Attenuation Test is available for the TV terrestrial frequency band and the IF SAT test is available for the TV Satellite fr
23. Pendrive To scroll through the options press the cursor keys UP e 6 or DOWN 6 6 To select an option press the rotary selector 9 1 Figure 56 Next it is explained every option Copy To Pendrive It copies all files from the memory of the instrument to the memory connected to the USB port except for the video file stream When copying files it also copies the whole structure of folders from the instrument It creates a general folder called EXPLORER and within this folder are the following series of folders CAPTZ Here are stored the captures of the MER the SPECTRUM and others CH Here are stored the terrestrial and satellite channels plans DATALOG Here are stored the data acquisition files DISEQC Here are stored the DiSEqC programs PVR Here are stored the TS ASI video stream SKINS Here are stored several colours skins for the screen VAR Here are stored the screenshots Page 80 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX Get From Pendrive It performs the function opposite to the previous explained one that is to copy existing files from USB memory to the folders at the TV EXPLORER HD DTMB memory To perform this function is necessary to have the same structure see last paragraph of folders in both USB memory and TV EXPLORER HD DTMB Copy Streams to Pendrive It copies TS files recorded from a service inside the PVR folder of the pendrive Normally this is the file that takes u
24. Power Off Terrestrial Units Satellite Units Rotary Selector Ref level Transport Mode Capture Timestamp Factory Reset Exit Page 26 USER S MANUAL TV EXPLORER HD DTMB Sets the maximum time that the equipment will carry out the identification of a channel unknown before going to the next one Only satellite band Selects the C band or Ku Ka Band for tuning satellite signals When it is set to ON it activates the auto power off function that forces shutdown after a time defined in the Time Power Off option touching no key Select the power off timeout from 1 to 120 minutes Select the measurements units for terrestrial and cable dBuV dBmV or dBm Select the measurements units for satellite dBu V dBmV or dBm Select the movement sense CW clockwise or CCW counter clockwise It selects the most suitable range when accessing to the spectrum analyser mode MANUAL defined by the user or AUTO calculated by the instrument It activates or it deactivates the automatic power off function for transportation So it allows to prevent an accidental start up of the equipment It enables ON or disables OFF the timestamp on the screenshots It recoveries the default settings the ones the equipment originally had This option will remove all acquisitions made by the user Added channel plans are kept Exit from preferences menu 11 2013 23 24 25 USER S MANUAL TV EXPLORER H
25. T J 83 is showed on screen Next the frequency and channel number corresponding to the channel plan MODULATION ITU T J 83 B 256QAM F 533 00 MHz 7 CH 24 CARRIER DISPLACEMENT PUSH ENCODER DECAY 16 MPEG 2 ITU T 2 83 8 ZOOM x1 CLEAR Figure 42 Constellation Diagram MPEG 2 TS ITU T J 83 B 11 2013 Page 63 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The TV EXPLORER HD DTMB also includes a ZOOM function to enlarge graphic representation over one single quadrant Select the SCROLL option to move the focus over the whole viewing area using arrow cursors 6 key CLEAR option to reset the graph screen or SHARP option to increase the image clearness over a range from 0 minimum visual persistence to 16 maximum visual persistence NOTE The transmission quality is visualized in a qualitative way using a colour range for the symbol density concentrated in a certain area This colour coding goes from black no symbols to red maximum density and runs from blue to yelllow in ascending order A greater dispersion of the symbols indicates greater level of noise or worse signal quality If concentration of symbols or noise appears is indicative of good carrier noise ratio or absence of problems as phase noise etc 5 15 1 1 Zoom scroll and erasing functions The TV EXPLORER HD DTMB also includes a ZOOM function to enlarge graphic representation over one single quadr
26. W Auto power off Programmable After the selected amount minutes without operating on control Deactivable OPERATING ENVIRONMENTAL CONDITIONS Altitude Temperature range Max relative humidity Up to 2000 m From 5 to 40 Automatic disconnection by excess of temperature 80 up to 31 C decreasing lineally up to 5096 at 40 C MECHANICAL FEATURES Dimensions Weight INCLUDED ACCESSORIES 1x 1x 1x 1x 1x 1x 1x 1x CB 077 AT 010 AD 055 AD 056 AD 057 AL 103 DC 229 DC 267 230 W x 161 H x 76 D mm Total size 2 814 cm 2 2 kg without holster Rechargeable Li battery 7 2 V 12 Ah 10 dB attenuator H Adapter Adapter Adapter External DC charger Transport suitcase Carrying bag 6 qt you select 5V the maximum power shall not exceed 2 25 W 450 mA 7 DiSEqC is a trademark of EUTELSAT 11 2013 Page 9 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 1x DC 289 Transport belt 1x AA 103 Car lighter charger 1x CC 041 Connection USB Cable On the go A Male Mini USB B Male 1x CC 045 USB Cable A Female Mini USB A Male 1x CA 005 Mains cord 1x USB Memory RECOMMENDATIONS ABOUT THE PACKING It is recommended to keep all the packing material in order to return the equipment if necessary to the Technical Service Page 10 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 2 SAFE
27. according to the type of capture that has been carried out 1 Recall Constellation Recall a constellation diagram 2 Recall Spectrum Recall a frequency spectrum graph P When trying option by means of the rotary selector V 1 a menu appears that TO M contains the names of the stored files Select one using the rotary selector 2 1 press EXIT The saved spectrum and constellation data can be exported in the form of a text file CSV These files can be very useful if they are included in documents such as a spreadsheet data base etc There is a specific software application to download the files to the PC Users can also develop a tailored program to read those files using remote control commands 11 2013 Page 77 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 18 2 Delete capture Also it is possible to delete the stored screens For it access the Utilities menu 8 22 and select the DELETE CAPTURE option Select one of the following options according to the model and type of capture that has been done constell Deletes a constellation diagram 5 Deletes a frequency spectrum other Deletes any other kind of capture oe When pressing with the rotary selector 1 over the option will appear a menu that contains the names of the stored files Select one by means of the rotary selector FC P k J 1 or press EXIT 5 19 PRINT SCREEN function It is also possible to sav
28. cable and press the rotary selector 7 1 for more than two seconds The fully charged battery can power the equipment for more than 4 5 hours non stop If battery is very weak the battery cut off circuit will prevent the device from functioning In such a situation battery must be recharged immediately Before taking any measurements you have to check the charge status of the battery by checking the battery charge level indicator that appears when activating the measurement mode pressing key cer 12 These are the indicators on screen 11 2013 Page 13 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB BATTERY CHARGE LEVEL INDICATORS COLOUR SYMBOL CHARGE LEVEL C8 10 30 96 0 10 Empty battery Recharge in progress Table 2 Indication of the battery charge level on screen 3 1 2 1 Battery Charging To fully charge the battery connect the instrument to the external DC charger without activating the power on process The length of time it takes to recharge it depends on the condition of the battery When the instrument is in operation the recharging process is slower If they are very low the recharging period is about 5 hours The CHARGER 4 indicator should remain lit When the battery charging process is completed with the instrument off the fan stops IMPORTANT The instrument battery needs to be kept charged between 30 and 50 of its capacity when not in use The battery needs to be fully charge
29. dByV to 130 dBuV 31 6 uV to 3 16 V Auto range reading is displayed on an OSD window Absolute value according to parameters Analogue bar on the screen 230 kHz Terrestrial band 4 MHz Satellite band According to span maximum band ripple 1 dB Pitch sound A tone with pitch proportional to signal strength only when using Antenna Alignment function 11 2013 USER S MANUAL TV EXPLORER HD DTMB Accuracy Subband Terrestrial bands Satellite band Over range indication MEASUREMENTS MODE Terrestrial bands Analogue channels Digital channels Satellite band Analogue channels Digital channels DATALOGGER function Analogue channels Digital channels SAT IF TEST Function ATTENUATION TEST Function SPECTRUM ANALYSER MODE Satellite band Terrestrial bands Measurement bandwidth Terrestrial S atellite Span Terrestrial S atellite Markers Vertical range Measurements Terrestrial bands Analogue channels Digital channels 3 Using PkTools software application with a PC AX PFRROMIAX 31 5 dB 30 120 dBuV 5 45 MHz 22 5 41 5 dB 30 120 dByV 45 1000 MHz 22 5 2 5 dB 40 100 dBuV 950 2050 MHz 22 C 5 lt gt Level Video Audio ratio Carrier Noise ratio and frequency deviation Channel power Carrier Noise ratio and Channel identification Level and Carrier Noise ratio Channel power and Carrier Noise ratio Automatic acquisition and storage of
30. measurements Level C N and V A Frequency offset MPEG 2 MPEG 4 detection power C N MER CBER VBER LBER and noise margin IF distribution network response for satellite band Signal distribution network response for terrestrial band 30 dBuV to 130 dBuV 31 6 uV to 3 16 V 10 dByV to 130 dBuV 3 16 uV to 3 16 V According to span 230 kHz 1 MHz 4 MHz 1 MHz Full span full band 500 200 100 50 32 16 8 MHz selectable Full span full band 500 200 100 50 32 16 MHz selectable 1 to indicate Frequency and level or C N Adjustable by steps of 5 or 10 dB Level Channel power Function to be used with RP 250 or RP 050 IF signal simulator Function to be used with RP 250 or RP 080 pilot signals simulator 11 2013 Page 7 AX PFHROMIAX Satellite band Analogue channels Digital channels USER S MANUAL TV EXPLORER HD DTMB Level Channel power ECHOES ANALYSER MODE DTMB Measurement range Delay Distance Power range MONITOR DISPLAY Monitor Aspect ratio Colour system TV standard Spectrum mode Sensibility BASE BAND SIGNAL VIDEO Format Conditional access types External video input Sensibility Video output SOUND Input Outputs Demodulation De emphasis Subcarrier USB INTERFACE DVB ASI INTERFACE Type Connectors Packets Page 8 0 1 us to 200 us 0 3 km to 60 km dBc to 30 dBc TFT colour 6 5 inches Transflective LCD 16
31. name frequency active channel plan and satellite downlink frequency The following data box shows the VIDEO data type of video coding MPEG 2 or 4 video bit rate profile and level with its resolution and aspect ratio video program identifier VPID and the TS identifier TSID Next data box contains AUDIO information type of audio coding MPEG 1 2 or AC 3 audio bit rate audio program identifier APID and language e g spa The last box located in the same column shows the NETWORK data network name and or satellite orbital position service name network identifier NID and service identifier SID Page 84 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX On the left column appears the type of DVB signal a window showing the signal decoded and finally a data box stating if the emission is encrypted or free SCRAMB or FREE when the service supports interactive TV MHP i e Multimedia Home Platform and when is inserted a CAM module into the TV EXPLORER HD DTMB the indication CAM appears cin 794 00 MHz VIDEO MPEG Z2 4014kb s Ew 25Hz WPID 111 Ju 1 OOT AUDIO MPEG 1 L 1 160khb s APID 112 LANGUAGE en RED OSD OFF 14 9 E FREE VT 1 MID L26574 SID Figure 62 Digital channel monitoring When pressing the cursor arrow 6 key will appear the tuning information window again in order to fix on screen this window the vertical cursors
32. output This is the reason because this screen provides the BER measurement before FEC Forward Error Correction BER before FEC J 83 B QAM Figure 30 Digital reception system via cable REED SOLOMON The BER measurement is provided in scientific notation i e 1 0 E 5 means 1 0 10 that is to say wrong bit of every 100 000 and through an analogue bar as its length is smaller the signal quality will be better The analogue representation is done on a logarithmic scale not linear 11 2013 Page 55 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 14 7 2 DVB C signals Once determined the parameters of QAM signal it will be possible to measure 3 BER press the a 12 key until the BER measurement display appears In the BER measurement mode the monitor will show a display like the following one DVB C gt 1 0E 2 5 QEF 3 2 818 00 C N 232 8 dB kHz POWER 76 6 dBpV MER 0 0 dB gt 1 0 2 Figure 31 DVB C QAM signals BER measurement screen The BER measurement before error correction is shown BER before FEC Forward Error Correction In a digital reception system for cable signals after the QAM demodulator an error correction method called Reed Solomon is applied see following Figure Obviously the error rate after the corrector is lower to the error rate at the QAM decoder output This is the reason because this screen provides the BER measurement
33. signal is shown on screen this is the default operation mode various functions can be selected as shown in the following paragraphs In the Spectrum Analyser operation mode the screen displays the spectrum of the active band terrestrial or satellite The span and the reference level In the Measurement mode the screen shows the available measurements according to the type of signal selected 5 4 Channel Tuning Frequency Tuning Pressing 24 key the EXPLORER switches from frequency tuning to channel tuning and back again In channel tuning mode turning the rotary selector V 1 sequentially tunes the channels defined in the active channels table When turning it clockwise frequency increases while turning it anticlockwise frequency decreases In frequency tuning mode there are two ways of tuning l Turning the rotary selector v 1 Turning the rotary selector ww 1 selects the desired frequency tuning is continuous from 5 to 1000 MHz and from 950 to 2150 MHz When turning it clockwise frequency increases while turning it anticlockwise frequency decreases 11 2013 Page 31 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 2 Using the keyboard fps Press the rotary selector 7 1 the frequency listing will disappear and will appear on the upper left corner of screen the keyboard symbol of manual data entry 123 next enter the frequency value in MHz using the numeric keyboard The TV EXPLOR
34. user using a slot can tune and decode any signal present in the satellite In order to select the SATRC function press the DiSEqC key lt i 21 from frontal panel and using the rotary selector 9 1 activate the SATRC option In the display are the configuration options that users can modify slot selection number of slots device address Frequency sep pilot signal activation and finally the frequencies corresponding to each slot SATELLITE alae SELEC TED SLOT OFF 44 dBuv 10 Tr 110 130 FREQ 1144 n EL 74 4 DBW DL Ku 1140k 6 3 dB CH Figure 68 SatCR command screen When activating the Enable Pilots options the SatCR device located in the headend emits a pilot signal with constant level for each down frequency slot This function facilitates the verification and identification for different satellite channels that are available in the installation The SatCR technology is being developed and tested in many countries 5 27 Using the alphanumeric keyboard In order to enter numerical data or text the built in alohanumeric keyboard must be used Many keys incorporate a number and several letters like the telephone keypad SatCR is a trademark of STMicroelectronics Page 92 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 1 Entering numerical data e g a channel frequency Press the key corresponding to the digit that you wish to enter from the O to n the 9 When p
35. working in the satellite band the orbital position appears as well While performing automatic identification may be the equipment keeps detecting the NETWORK ID for a long time During this process the CANCEL button switches to SKIP which allows by passing the NETWORK ID without losing the other parameters of the autodetection Whenever the process detects new parameters for a channel or frequency will create a new channel plan containing the detected information NOTE The O icon in the upper corner of a digital measurement screen states that the signal level is higher than the minimum threshold see the PREFERENCES menu but demodulator cannot lock it maybe due to some wrong configuration parameter In such case the user must press AUTO ID 25 key Page 34 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX NOTE In the case that is desired to explore or identify DVB C signals will be necessary to select previously a DVB C standard as digital signal identifier by means of 8 22 PREFERENCES menu TER IDENTIFY option 5 9 Channel plans The signal automatic identification process as much as the exploration of the frequency spectrum could yield the generation of new customised channel plans relative to the usual work locations of the meter equipment In this way the characterisation of the band will be faster and easier when causing that the equipment only analyses a shorter set of channels Whenever a new pro
36. 6 key must be pressed up to select the OSD OFF field so press rotary selector 1 to switch to OSD ON Also the standard MPEG 2 profile is indicated which determines the compression rate for the digital service decodified the aspect ratio 4 3 the resolution horizontal x vertical for received video and the picture refreshment frequency rate In the OSD OFF mode the information window previously described will appear whenever the rotary selector is pressed again 1 When a digital channel is decodified once the Table of Services SDT Service Description Table acquisition is completed is possible to accede to the list of services contained in the Table For it place the field selector by means of the vertical cursors 6 key on the field of the active service e g 7 in the following figure and later press the rotary selector 1 11 2013 Page 85 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The DIGITAL SERVICES menu will appear then with the services available in the co Multiplex Move the vertical cursors 6 key or turn the rotary selector 1 and press it to select the service to visualise on screen In the list of available services a service may appear preceded by a symbol with two possible meanings Indicates that the service is encrypted f Indicates that it is an internal service from a provider and it is not supported 3014kb s 11 1 L 1 160kb s APID 112 LANGUAGE
37. BER measurement Bit error rate for the digital signal before error correction BER before FEC VBER Only for DVB S The BER measurement Bit error rate for the digital signal after error correction BER after Viterbi LBER Only for DVB S2 The BER measurement Bit error rate for the digital signal after error correction BER after LDPC 3 In order to change the measurement highlighted press the Em 12 key On the monitor will appear cyclically all the measures available for the signal on tune 5 14 1 Analogue TV Measuring the Video Carrier Level In the measurement mode of analogue signals the TV EXPLORER HD DTMB monitor can work as an analogue indicator of level representing the signal present in the input 3 TERRESTRIAL 59 2 dBuv 110 130 839 25 MHZ gt LEVEL 39 2 dB C N 18 0 V A 5 0 dB FM DEV 56 kHz Figure 22 Analogue signal level measurement in terrestrial band Page 48 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX a Turn the rotary selector V 1 to change the tuning channel frequency Press the 12 key to select the type of measurement to highlight on the monitor The available types of measurements are LEVEL Level indication on the upper part of the screen analogue bar C N Carrier Noise ratio measurement V A Video Audio ratio measurement FM Deviation Measure the frequency peak deviation for any modulated analogue carrier in FM WARNING Whe
38. D DTMB 2x PROMAX Key number 8 to enter numeric data 9 ANTENNA ALIGNMENT Tool for faster sweep antenna alignment at terrestrial and satellite bands Displays the measurements by means of a graph level bar Key number 9 to enter numeric data 0 TUNING BY CHANNEL OR FREQUENCY Switches tuning mode between channel and frequency In channel mode the tuning frequency is defined by the active channels table CCIR Key number 0 to enter numeric data AUTO IDENTIFICATION EXPLORATION e Activates the automatic identification function short pulsation The instrument will try to identify the signal under test First it recognises whether the signal is an analogue channel or a digital one If the channel is analogue it determines the television standard of the signal detected When the signal is digital it analyses the modulation type DTMB DVB C DVB S DVB S2 and all the associated parameters such as the carriers 2k 8k the symbol rate the code rate etc and it tries to lock to the signal In the spectrum analyser and measurements mode it appears on screen the name of the network and the orbital position only in satellite band e Activates the band exploration function long pulsation The meter explores the entire frequency band to identify the analogue and digital channels present 11 2013 Page 27 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 80 Figure 5 Top panel vie
39. ER HD DTMB will calculate the tuneable frequency closest to the entered value and then display it on screen 5 5 Automatic Transmission Search Holding pressed the 25 key search starts over the active channel plan When tuning a channel the instrument tries to identify it and save it with the configuration If the identification is not possible the channel is removed from list As a result obtains a new channel plan that only contains the channels that have been identified 5 6 Selecting the measurement configuration Analogue Digital signal Measuring the characteristics of a channel depends in the first place on the type of modulation analogue or digital n Use key c 17 to switch between analogue and digital channels Press the n 17 key to show the measurements CONFIGURATION menu and select the i PN Signal option by turning and pressing the rotary selector w 1 The Signal option allows setting the type of signal to measure When switching to a new type the TV EXPLORER HD DTMB activates the last measurement configuration used for that type of signal 5 7 External Units Power Supply The TV EXPLORER HD DTMB can supply the voltage needed to power the external units antenna preamplifiers in the case of terrestrial TV LNB in the case of satellite TV or IF simulators 2 In order to select the supply voltage of the external units press 11 key and the screen will display a functions menu labelled EXT
40. N use the cursor arrow left or right 6 To move the Gain vertical axis press the cursor arrow up or down Vv 6 11 2013 Page 89 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Hold the up arrow v 6 for half a second to change the vertical axis to 10 dB per division Hold the down arrow 6 for half a second to change the vertical axis to 5 dB per division 5 25 DiSEqC Command Generator DiSEqC Digital Satellite Equipment Control is a communication protocol between the satellite receiver and the accessories of the installation switches LNBs etc proposed by Eutelsat with the aim to standardize the diversity of switching protocols 13 18 V 22 kHz and to satisfy the demands of the digital TV installations In order to define and or to send a sequence of DiSEqC commands press the DiSEqC key sss 21 on frontal panel It allows to define the satellite band configuration parameters and select through SEND function one of the eight predefined programs which execute basic functions to control an universal switch with two or four inputs by means of the rotary selector 1 TELLITE 24 LEVEL a COMMANDS 10 30 9 0 130 FREQ 1140 98 Miz LEVEL 4 4 DBuV Di Ku 1140 98 MHz f C N 98 Figure 66 DiSEqC command screen Whenever a DiSEqC program is sent the commands that correspond to the equipment status in relation to the Horizontal or Vertical polarization and High or Low frequency b
41. PTION OF THE INPUTS AND 95 X MEL sm UU Mtm 95 ss eee 95 Oo TRDOT rn 95 6 4 HDMI Conector High Definition Multimedia Interface 95 6 5 Scant DIN EN 50049 96 6 6 Connector for CAM modules and SMART CARD 97 ME 99 7 1 Considerations about the 99 7 2 Cleaning 99 USER S MANUAL TV EXPLORER HD DTMB 2X PROMAX UNIVERSAL TV EXPLORER TV EXPLORER HD DTMB Digital Video Broadcasting 1 GENERAL 1 1 Description The television explorer TV EXPLORER HD DTMB represents an evolutionary step with respect to the traditional field strength meters This new jewel of the PROMAX range will become a reference in the industry for being the very first meter of its kind to actually meet the requirements to be called a real HDTV instrument The continuous PROMAX innovation process in the sector of field strength meter yields an instrument that changes the way to take and understand television signals measurements This equipment incorporates important advances in the functional aspects as well as in the ergonomics to allow the installers to make
42. RED 12 9 FREE MID 1z2b 4 SID 955 GFF Figure 63 Digital channel monitoring Digital services Also is possible to change the active service directly acting through the horizontal cursors 6 key once has selected the field of the service from information window of the currently tuned channel On the TV EXPLORER HD DTMB screen always the image is visualised according to the option selected from the Video format function in the Measurement n Configuration c 17 menu and also according to the instrument display features that is to say the format conversions are based on a TFT with 16 9 aspect ratio Through the Scart connector 35 output and for digital signals it will obtain a video signal according to the format selected by the users see the following table Page 86 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX ANALOGUE MODE ORIGINAL SELECTED TV EXPLORER HD PILLAR BOX 4 3 original y x FULL SCREEN 4 3 original 16 9 d S PILLAR BOX 16 9 original LL SCREEN 16 9 original d DIGITAL MODE ORIGINAL SELECTED TV EXPLORER HD PILLAR BOX Scaling 4 3 in 16 9 TFT FULL SCREEN 4 3 Original 1 6 9 b 4 N PILLAR BOX FO Do not select
43. SI input by the user Figure 60 You can also access the TS ASI option from the MEASUREMENT mode Press the key for measurement configuration e 17 to access the SETUP menu and go to the bottom of the menu until the option Enable ASI INTERFACE Select the option by pressing the rotary knob and turn it to switch from OFF to ON Press the rotary knob to accept the change Now there is a new option ASI OUTPUT SOURCE option as explained above allows selecting the output between two options DEMODULATORS and AUXILIAR The option DEMODULATORS uses the TS that comes from the internal demodulator which is active at that time The AUXILIARY option uses any video file 11 2013 Page 83 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 23 TV Operating Mode 1 5 When pressing the 10 key from any mode of operation the TV EXPLORER HD DTMB accedes to the TV mode and tries to demodulates on the monitor the currently video signal on tune In the monitor will appear the TV picture with a window on the lower part to show for five seconds whenever the signal is analogue the channel number the frequency the active channel set the colour system the TV standard and the saturation level SYNC OK SYNC FAIL Figure 61 Analogue channel monitoring If it is a digital television signal DTV on screen appears for about some seconds the following parameters The top data box shows the tuned CHANNEL data number or satellite
44. SUPPLY listing the choice of rU P voltages which will depend on the band being used Turn the rotary selector ww 1 to the desired voltage and press to activate it The following table shows the choice of supply voltages Page 32 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX SATELLITE Output Enabled Disabled External 13 V 22 kHz 18 V 22 kHz TERRESTRIAL Output Enabled Disabled External 5 V 13V 15V 18V MATV Master Antenna Television 24 V Table 3 External units powering voltages When the OUTPUT is enabled the equipment puts at the output the voltage selected by the user When the OUTPUT is disabled it does not apply the voltage at the output but it works like it was In the External power supply mode is the unit powering the amplifiers before the antenna terrestrial television or the satellite TV receiver house hold or community also powers the external units The DRAIN 3 indicator lights when current is flowing to the external unit If any kind of problem occurs e g a short circuit an error message appears on the monitor SUPPLY SHORT the acoustic indicator will be heard and the instrument will cease to supply power The TV EXPLORER HD DTMB does not return to its normal operating state until the problem has been solved during this time it verifies every three seconds the persistence of the problem warning with an acoustic signal 5 8 Automatic signal identification function AUTO
45. TO option is selected from the PREFERENCES 22 menu If the C N MANUAL option has been activated the frequency where noise level will be measured will correspond to the position of the vertical discontinuous green coloured cursor that appears the spectrum graph 13 Page 52 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX In order to modify this frequency press the measurement configuration 17 key to accede to the CONFIGURATION menu By turning the rotary selector 1 locate the NOISE cursor on the position of the marker using NOISE FREQ TO MARKER option see section 5 16 1 Markers or directly enter the value of the new noise frequency by means of NOISE FREQ option Figure 27 NOISE cursor C N MANUAL When measuring channels in the satellite band or digital channels to measure the C N ratio correctly the bandwidth of the channel must be defined previously using the Channel BW option on the Measurements Configuration menu that appears when pressing the 22 17 key IMPORTANT REMARK In order to measure digital channel C N ratio it is indispensable to tune channel at its central frequency In the case of the presence of adjacent digital channels these could mask the noise level measurement 5 14 6 Digital TV Measuring the Power of Digital Channels The TV EXPLORER HD DTMB allows choosing between two measuring methods The extrapolated approach makes an approximation to a specif
46. TUGUESE CZECH GREEK and RUSSIAN Activates ON deactivates OFF the beeper Sets the display skin It is possible to add new types through the USB port It activates a light sensor to automatically adjust the display contrast and brightness Options are High contrast with high luminosity Low contrast with low luminosity and AUTO It allows you to select between two options to measure power Integrated or extrapolated The integrated method performs a calculation based on the true RMS value for any type of signal The extrapolated method is an approximation according to power measurements already taken Selects the type of terrestrial digital signal DTMB or DVB C used by AUTO ID and EXPLORER functions It enables ON disables OFF the detection of analogue signals Sets the minimum power for a terrestrial digital signal to be identified Sets the minimum level for a terrestrial analogue signal to be identified When using automatic identification for DVB C signal it should be also selected its annex To work with Annex A put this option to YES To work with Annex B put this option to NO Sets the minimum power for a satellite digital signal to be identified Defines the C N measuring method between Auto or Reference Noise Manual used to determine the frequency where noise level will be measured in the spectrum analyser mode Page 25 AX PFHROMIAX Identify Timeout Sat Band Auto Power Off Time
47. TV EXPLORER HD DTMB UNIVERSAL TV EXPLORER 0 MI1933 ZA PROMAX SAFETY NOTES Read the user s manual before using the equipment mainly SAFETY RULES paragraph The symbol J on the equipment means SEE USER S MANUAL In this manual may also appear as a Caution or Warning symbol Warning and Caution statements may appear in this manual to avoid injury hazard or damage to this product or other property USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX TABLE OF CONTENTS 1 Tcr 1 EE cir 1 k2 FSC CAT OAS NET m TU 4 28 al hg 11 2 1 General safety rules 11 2 2 Descriptive Examples of Over Voltage Categories 12 3 INSTALLA 13 13 3 1 1 Operation using the External DC 13 3 1 2 Operation USING the Battery siecciscciscnesavescsecnnconstinvcxsennnsoasedecdennsuentiedneceusoandes 13 3 1 2 1 Battery 14 32 JMstallation dnd a a aaa 14 A QUICK USER GUIDE 15 5 OPERATING 5 5 19 5 1 Description of the Controls and 19 5 2 Adjustment of Volume and Monitor
48. TY RULES A 2 1 General safety rules The safety could not be assured if the instructions for use are not closely followed Use this equipment connected only to systems with their negative of measurement connected to ground potential The AL 103 external DC charger is a Class 1 equipment for safety reasons plug it to a supply line with the corresponding ground terminal This equipment can be used in Overvoltage Category installations and Pollution Degree 2 environments External DC charger can be used in Overvoltage Category Il installation and Pollution Degree 1 environments When using some of the following accessories use only the specified ones to ensure safety Rechargeable battery External DC charger Car lighter charger cable Power cord Observe all specified ratings both of supply and measurement Remember that voltages higher than 70 V DC or 33 V AC rms are dangerous Use this instrument under the specified environmental conditions When using the power adaptor the negative of measurement is at ground potential Do not obstruct the ventilation system of the instrument Use for the signal inputs outputs specially when working with high levels appropriate low radiation cables Follow the cleaning instructions described in the Maintenance paragraph 11 2013 Page 11 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB ix Symbols related with safety DIRECT CURRENT ON Supply ALTERNATING CURRENT o OFF S
49. To select the BER measurement mode D 1 Select digital signals Measurements Configuration pressing 17 key 2 Select by means of Signal option from CONFIGURATION menu DVB C for the measurement of QAM modulated signals DTMB for the measurement of DTMB modulated signals or DVB S S2 for the measurement of QPSK 8PSK modulated signals 3 Enter the parameters relative to the digital signal which appear in the measurement CONFIGURATION menu as described previously 4 Select the option to exit from measurements CONFIGURATION menu Page 54 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 5 14 7 1 ITU T J 83 B signals Once determined the parameters of QAM Annex B signal it will be possible to measure BER press the a 12 key until the BER measurement display appears In the BER measurement mode the monitor will show a display like the following one J 83 B QAM 33 3 dBm wm 10 TOV 30 40 533 00 MHz 40 0 dB POWER 65 0 dByv MER 38 3 BER 1 0E B8 Figure 29 Screen of BER measurement of QAM signals The BER measurement before error correction is shown BER before FEC Forward Error Correction In a digital reception system for cable signals after the QAM Annex B demodulator an error correction method called Reed Solomon is applied see following Figure Obviously the error rate after the corrector is lower to the error rate at the QAM Annex B decoder
50. and are also sent This allows assuring that the installation status is the one indicated by the equipment 8 DiSEqC M is a trademark of EUTELSAT Page 90 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX The COMMANDS option from DiSEqC menu allows to execute any of the following commands POWER o S E Em BM STANDBY _ _ o Eo O i i Assigned Switch POSITION A B SWITCH OPTION DISABLELIMTS y ENABLE LIMITS O LIMTEAST LIMIT Positioner PEA Table 5 Available DiSEqC commands When selecting the COMMANDS option in the Spectrum Analyser mode JM sx 13 in the screen will appear a dynamic execution line in order to use with the positioner commands DRIVE EAST WEST This allows to carry out a fine adjustment in steps or in seconds to aim the antenna through the rotary selector 1 Figure 67 DiSEqC commands DRIVE T Press the DiSEqC key 21 on frontal panel order to quit the commands execution mode and to locate the mark cursor on the frequency or channel 11 2013 Page 91 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 26 SATCR function By means of function SATCR it is possible to control the devices of a TV installation satellite that are compatible with the SatCR technology Satellite Channel Router which allows to concentrate manifold down frequencies slots by an only cable By this way each
51. ant Select the SCROLL option to move the focus a over the whole viewing area using arrow cursors 6 key CLEAR option to reset the 04 MODULATION V ITU T 3 83 B 256QAM LANE 533 00 MHz CH 24 CARRIER DISPLACEMENT PUSH ENCODER DECAY 16 ZOOM x4 CLEAR Figure 43 Zoom x2 constellation diagram Page 64 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 5 15 2 DTMB signal Activate the UTILITIES menu by pressing the 5 22 key and select the CONSTELLATION option Now on screen will be recorded the hits due to symbols received during the digital signal transmission MODULATION DTME 650 00 MHz CH 43 Figure 44 Constellation Diagram DTMB QAM 256 signal By means of the rotary selector 9 1 and the arrow cursors 6 key is possible to change the frequency or channel The DECAY option sets the visual persistence for symbol impacts on the screen in a range from 0 minimum to 16 maximum First appears the information about the type of modulation DTMB QAM 256 Next it is indicated the frequency the channel and the carrier tuned It is also indicated the carrier type data or pilot Finally it shows the status line similar to the measurement screen NOTE The transmission quality is visualised in a qualitative way using a colour range for the symbol density concentrated in a certain area This colour coding goes from black no symbols
52. asurement CONFIGURATION By means of the Threshold Attenuation option is possible to adjust the maximum difference between the pilots reference level from 5 to 50 dBuV Later by means of the horizontal cursors v 6 key select the Calibrate function see the following figure Wait for some seconds until the calibration process for three pilots is completed MEASURING REF is indicated on screen while this process is in progress 1703 25 2108 25 MHz 90 2 100 3 90 2 99 1 dB 0 0 dB CALIBRATE EXIT Figure 16 SAT IF Test Satellite band The calibration process must be carried out over the point of the installation which is taken as reference i e usually the headend During this process is determined the number of pilot frequencies to check from one to three in addition to the reference level for pilots In order to determine the number of pilots the equipment takes the higher found level and verifies that the other pilots have a non lower level to the reference one plus the defined threshold level If the pilot agrees this condition it will show on screen Page 40 11 2013 USER S MANUAL TV EXPLORER HD DTMB Z2XSPROMAX The user can also define the pilot frequencies n From the calibration screen press the key x 17 to show on screen the CONFIGURATION menu of the measure The PILOTS function allows you to set pilot signals manually To do this using the rotary selector 1 select that function and
53. before FEC Forward Error Correction BER before FEC REED SOLOMON Figure 32 Digital reception system via cable The BER measurement is provided in scientific notation i e 1 0 E 5 means 1 0 10 that is to say one wrong bit of every 100 000 and through an analogue bar as its length is smaller the signal quality will be better The analogue representation is done on a logarithmic scale not linear Page 56 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX With the aim to have a reference about the signal quality it is considered that a system has a good quality when it decodes less than one non correctable error for every transmission hour This border is known as QEF Quasi Error Free and it corresponds approximately to a BER before FEC of 2 0E 4 BER 2 0x10 that is to say two incorrect bits of every 10 000 This value is marked on the measurement bar of the BER and therefore BER for acceptable signals must be at the left side of this mark Below the BER analogue bar it is shown the tuned frequency or channel and the frequency deviation in kHz between the tuned frequency and the one which optimises the BER i e 800 00 MHz 1 2 kHz This deviation must be adjusted specially from the C N measurement in satellite band by tuning again the channel in frequency mode 24 to the lower reachable value 5 14 7 3 DTMB signals Once determined the parameters of DTMB signal it will be possible to measure BER Follo
54. ber 5 to enter numeric data wS 5 This led remains lighted when the equipment works with the frequencies and the corresponding channels to the satellite band T This led remains lighted when the equipment works with the frequencies and the corresponding channels to the terrestrial band A gt MEASUREMENT CONFIGURATION It allows the commutation between the measurement mode for Digital TV or Analogue TV D This led remains lighted when the equipment works with digital signals A This led remains lighted when the equipment works with analogue signals IMAGE UST Activation of VOLUME CONTRAST BRIGHT SATURATION and HUE only for NTSC colour system control menus Key number 6 to enter numeric data i DISEgC eons DISEQC Only in satellite band It allows adjusting configuration parameters in satellite band Key number 7 to enter numeric data Page 22 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 22 UTILITIES PREFERENCES It activates the Utilities menu short pulsation Equipment Info Save Constellation Spectrogram SatIF Test DTMB Echoes PVR RECORD PVR STOP PVR PLAY STOP PLAYING 11 2013 It displays information about the instrument Company s Name PROMAX ELECTRONICA Equipment Name TV EXPLORER PN Serial Product Number Software Version number and date of the internal software CF Total memory space in th
55. cess of exploration is activated the TV EXPLORER HD DTMB analyses all the present channels in the active channel plan which acts as pattern channel plan specified by means of the option CHANNEL SET from n configuration measurement menu CONFIGURATION e 17 If during exploration or automatic identification process the TV EXPLORER HD DTMB detects new parameters for some channel or frequency a new list will be generated with the information updated and will be saved with the name of the original channel plan followed by the extension 0 where x it is the number of the consecutive channel plan see the following figure CCIR 02 03 04 01 S02 so 68 69 STD CHANNEL PLAN LONG P PRESS CCIR 01 02 04 03 6 68 PARAMS NEW CHANNEL PLAN CCIR 02 03 04 01 02 soy fr 68 69 STD CHANNEL PLAN SHORT PRESS TM CCIR 01 02 03 04 sos 69 PARAMS CH04 Figure 10 New channel plan generation process 11 2013 Page 35 AXXPROMAX USER S MANUAL TV EXPLORER HD DTMB Those channels that have not been identified during the exploration process are removed from the new generated channel plan The user can save this table in the n memory modify its name and later use it by means of the CONFIGURATION c 17 menu Also can delete any channel list or remove and add channels from another g standard list by means of the editing options offered by the UTILITIES 22 menu _ DTME 55 8 dBuV 70 90 110 130 650 00 MHz c n
56. change it to MANUAL You will see a menu where you can set the frequency of each of the 3 pilot signals If you want to return to the automatic generation of pilot signals change back PILOTS function to AUTO 2 MEASUREMENT OF THREE PILOTS THROUGH THE NETWORK Once TV EXPLORER HD DTMB has been calibrated start to make level measurements in the different distribution sockets On the screen will appear the attenuation values for the three pilot frequencies measured in the socket see the following figure a 8 WA dB Figure 17 Attenuation measurements in an outlet plate In order to finish measuring press the rotary selector 9 1 and select the EXIT option 5 12 Spectrum exploration function EXPLORER The Exploration function allows exploring the full frequency band in order to identify the analogue channels and digital presents in agreement with the configuration set over the active channel plan In order to activate the function hold pressed the 25 key until the EXPLORER screen appears 11 2013 Page 41 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB EXPLORER m TESTING CHANNEL SET 25 50 DIGITAL DYB 5 Ba ANALOG Ba ANALOG V D Ba DIGITAL DVB S Ba DIGITAL DVB S2 V D Ba ANALOG CANCEL Figure 18 Spectrum exploration screen When the instrument completes the exploration a new channel plan is generated based on the active channel plan This new
57. channel plan contains only the channels that have been identified and the rest are removed The equipment offers the possibility of saving in memory the channel plan generated to use later If the new channel plan is not saved it will remain active until the instrument is powered off or some other plan is loaded NOTE In the case that is desired to explore or identify DVB C signals will be necessary to select previously DVB C standard as digital signal identifier by means of 22 PREFERENCES menu 5 13 Measurements configuration With the aim of taking the measurements of all types of signals some times could be necessary that user enters parameters relative to particular characteristics of these signals whether an automatic detection has not been possible or these parameters differ from the standard corresponding ones 5 13 1 DVB C QAM Digital Channel Configuration Press the Measurements Configuration 17 key to access to the CONFIGURATION menu and turn the rotary selector 9 1 until the SIGNAL option Select the signal DVB C which uses QAM modulation Parameters related to QAM modulation that the user can set are described below Page 42 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Channel BW channel bandwidth Enables the channel bandwidth to be selected up to 9 2 MHz The selection of this parameter is essential for the correct operation of the tuner as it affects the frequency separation of the carrier
58. d for best results A fully charged battery suffers temperature related discharge For example at a room temperature of 20 C it can lose up to 10 of its charge over 12 months 3 2 Installation and Start up The TV EXPLORER HD DTMB level meter is designed for use as a portable device Therefore does not require installation When the rotary selector Ae 1 is pressed for more than two seconds the instrument is started up in the automatic power off mode that is the device is automatically disconnected after the selected minutes if no key has been pressed When the device is operating it is also possible to select the auto power off mode by means of the Preferences menu 5 22 and to select the time out until the automatic power off When the equipment is going to be moved activate the Transport mode by means of the Preferences menu 5 22 to disable the power process until one specific key from main keyboard is pressed 8 as is it indicated on screen Page 14 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 4 QUICK USER GUIDE STEP 1 Battery charging 1 Connect the DC external charger to the equipment through connector 32 located on the lateral panel 2 Connect the DC charger to the mains 3 When the equipment is connected to the mains the CHARGER led 4 remains lighted CHARGER Figure 1 Battery charging STEP 2 Power on and signal connection 1 Hold the rotary selector
59. ds I D K and L adopting apart from the characteristic parameters of the standard the correcting automatic system to obtain in all the cases an accurate measuring of the input signal level It accepts any TV system PAL SECAM and NTSC and allows the user to work directly with digital TV signals decoding them so that the television image may be viewed and directly measuring the power carrier noise ratio C N the bit error rate BER and the modulation error ratio MER as well for DTMB as DVB S S2 QPSK 8PSK and DVB C QAM signals This instrument allows to obtain a graphical representation of the Constellation Diagram for DVB C QAM DTMB and DVB S S2 QPSK 8PSK signals Being a multistandard instrument it can be efficiently used in any country of the world adapted to the corresponding standard Includes a symbol based keyboard that allows the direct access to the various functions that are displayed simultaneously on screen USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX The TV EXPLORER HD DTMB makes a dynamic exploration of the spectrum detecting all the channels in the explored band this applies for the terrestrial and the satellite television bands The meter locates all the channels in the spectrum with no need of any previous information about the number of channels the type of signals transmitted or their characteristics With the data collected after each exploration it creates a register that contains tabl
60. e Compact Flash card User Available memory for the user Date and time Current date and time set by the user by means of the arrow keys press the rotary selector and use the numerical keypad to enter date and time Only available from the spectrum analyser It allows the user to save the current spectrum on screen on the instrument s memory Sets the constellation diagram graph for the digital signal on tune The Spectrogram function makes graphical representation of the frequency signal level regards to the time Only satellite band Selects the function for testing signal distribution networks in satellite band Only for terrestrial band Graphical representation of the channel response and list of echoes detected in the signal response Only when a video signal is available It saves a video clip of the tuned channel Only when a video signal is available It stops saving the video clip of the tuned channel Only when a video signal is available It plays a video clip previously saved Only when a video signal is available It stops playing the video clip Page 23 AX PFHROMIAX Attenuation Test Run Datalogger View Datalogger Erase Dataloggers Save as Recall Constell Recall Spectrogram Recall Spectrum Delete Capture Viewprint Screen Delete Print Screen Delete Channel Set Delete Channels Insert Channels Exit Page 24 USER S MANUAL TV EXPLORER HD DTMB
61. e anything that appears on the screen of the meter using the PRINT SCREEN function To save an image you only need to press the key 1 10 during a few seconds A file with the screen content in bit map format bmp will be generated automatically These files can be viewed later with the VIEWPRINT SCREEN function or using any program that supports bmp formats If the option CAPTURE TIMESTAMP at the PREFERENCES menu is enabled ON each captured image will be marked with the date and time of capture n To delete one or more of the captured images press 22 and select DELETE PRINT SCREEN You will see a list of captured screens files To delete a file 9 place on it and press the rotary idi 1 To delete all stored files place on ALL option and press the rotary selector A 1 A window pops up asking for permission to delete all the screenshots NOTE You cannot use this function in the case of OSD messages Page 78 11 2013 USER S MANUAL TVEXPLoRER HD orms LASS PROMAYX 5 20 VIEWPRINT SCREEN With this function the user can see the screen that has been captured except for the video screenshots in TV mode by using the PRINT SCREEN function previous section To access this function press 22 and select VIEW PRINT SCREEN Then there is a list of files names captured The user can move along this list of the screen captures files by turning the rotary knob and see the image thumbnail To zoom in press t
62. ecoded Viterbi synchronized A digital carrier has been detected and the Viterbi algorithm is synchronized but too many frames arrive with non correctable errors It is not possible to quantify the BER MPEG 2 TS DVB S Correct detection of a MPEG 2 signal 5 14 8 Digital TV Measuring MER Once determined the suitable parameters for DTMB QAM QPSK or 8PSK signal reception it will be possible to measure MER press 12 key until it appears the MER measurement screen 19 5 dB 10 20 30 40 650 00 gt 21 3 dB 3 kHz POWER 55 8 dBuV MER 19 5 dB LBER lt 1 0E 8 Figure 40 COFDM signals MER measurement screen First of all you will see the modulation error ratio measurement MER 11 2013 Page 61 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Following it appears the Noise Margin NM measurement in the figure value 8 4 dB It indicates a safety available margin according to the MER level measured that allows signal degradation until arriving to the QEF Quasi Error Free limit value 1527 97 C N 637 kHz POWER 56 8 dBu 11278H 0 Mrz MER 9 2 dB CBER 1 5E 2 LBER 1 0E 8 Figure 41 DVB S2 QPSK 8PSK signals MER measurement screen In the case of a DVB S2 signal QPSK 8PSK instead of the Noise Margin NM appears the measure of the Link Margin LM in the previous figure with a value of 2 3 dB The LM is equivalent to the NM and indicates the distance to the QEF ge
63. ect functions and entering alphanumeric data Page 20 11 2013 10 11 12 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 16 99 10 9 2 49 04107 7 fi ED a on 85 8 20 2 62 63 02 Figure 4 keyboard 1 e TV KEY It allows visualising the image of TV corresponding to the input signal as well as data relative to the reception of the video signal After pressing down for a second it saves the current screen on memory Key number 1 to enter numeric data 2 EXTERNAL UNITS POWER SUPPLY Enables selecting the power supply to the external units Available voltages are External 5 V 13 V 15 V 18 V and 24 V for the terrestrial band and External 5 V 13 V 15 V 18 V 13 V 22 kHz and 18 V 22 kHz for the satellite band Key number 2 to enter numeric data 3 oer MEASUREMENTS Enables the type of measurement to be selected The types of measurements available depend on the band the standard and the operating mode Key number 3 to enter numeric data 11 2013 Page 21 13 14 15 16 17 18 19 20 21 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB SPECTRUM TV Allows switching between any previous operating mode and the Spectrum Analyser mode and vice versa Key number 4 to enter numeric data 5 dT Jet SATELLITE TERRESTRIAL BAND Allows switching between the Satellite or Terrestrial TV frequency band Key num
64. ed according to the new temporal reference This option is very useful to visualize the captured information For example if the elapsed time is 500 s and we want to show the 200 s this number must be filled in the temporal position The cursor will be moved to and the screen will be updated showing the new levels signals End Selecting this option the cursor is related to the last acquisition time If the temporal reference is filled with 0 seconds the cursor will be placed at the end of the capture therefore the screen always shows the last acquired data This option is very useful if we want to work during the capture process due to the problems can be detected in real time and the cursor can be moved at any temporal reference When a temporal movement is introduced noticed that a negative sing is placed before the number by default This is due to the displayed data on the screen is captured in real time so that if we want to analyse a previous point we should go backward in the time For example if the elapsed time is 500 s and we want to go to the second 200 the temporal position t must be filled with 300 s Introduce a name to save the file If the name already exists a message will be showed and the file could be overwritten or the operation cancelled Page 72 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Acquisition mode Select the different modes to capture a file CIRCULAR If this option is selected ot
65. el is represented with a different colour the Y axis belongs to frequency and the X axis to time Therefore a colour map is showed on the display see next figure Any frequency signal level could be displayed at any time reference using the cursors or the variable knob This tool is especially useful when a level signal analysis is going to be processed during a long period of time When the process is finished the capture could be showed and any anomaly will be easily detected at any time 951 MHz B51 68 4 dB mE fol end 5 T span Figure 49 Spectrogram Page 70 11 2013 USER S MANUAL TV EXPLORER HD DTMB ZXPROMAX 4 To access the spectrogram first press the button 13 to access the spectrum analyser Then you should set the parameters reference span and frequency Then press 22 and select SPECTROGRAM using the cursors or the variable knob The figure below shows the initial screen 951 MHz Figure 50 First Screen On the X axis the time variables references are showed At the bottom right corner the capture elapsed time is displayed in seconds At the bottom center the T span defines the seconds that will be displayed on the screen For example if the T span is 60s therefore the last 60s captured will be displayed on the screen On the left corner the t variable is at time can be end time s or begin time s The tag end indicates how many seconds you are from the last capture
66. ements on a different point test but in the same installation NEW DATALOGGER DATALOGGER 10 101 DATAL OO DATE 18 01 2012 07 59 TEST POINT POINT 01 CHANNEL SET CCIR 210 2 dB 50 9 dBuv 0 0 dB gt 1 OE 1 1 0E 1 _ DVB C MEASURING CANCEL Figure 12 DATALOGGER screen During analogue channel measuring process a percentage counter appears at the bottom of the screen showing the percentage of channel measurement done In the case of digital channels appears a timer showing time left to finish in seconds At the top left corner appears the channel being measured followed by the total amount of channels in the current channel plan In order to select a field on the datalogger screen Test point and datalogger name press the arrow v 6 key and then edit it by pressing the rotary selector 1 After selecting the START field the instrument begins to carry out the available measurements automatically Once completed the process will be ready to repeat again START for example for a new test point or view measured data by selecting the channel and turning the rotary selector 1 or store the information in memory SAVE or exit from this acquisition EXIT 11 2013 Page 37 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 10 1 Datalogger for Attenuation and IF SAT tests The TV EXPLORER HD DTMB allows to make measurement acquisitions while executing an Attenuation test at terrestrial band or an
67. equency band 5 we To switch between these frequencies press the key i 14 5 11 Verification of distribution networks SAT IF Test Attenuation Test This application allows the user to verify easily the TCI features Telecommunications Common Infrastructures before the antennas and head end devices are operative The procedure allows the user to evaluate the frequency response of a whole TV signals distribution network by means of two steps NOTE For this application the use of PROMAX RP 050 RP 080 RP 110 or RP 250 signal generators are required for which they have been specially designed If you use a generator that emits not modulated carriers this may cause a slight uncalibration during the SAT IF TEST 1 CALIBRATION Connect the generator directly to the TV EXPLORER HD DTMB using the BNC F adapter 11 2013 Page 39 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Power the signal generators of the RP PROMAX family through the TV EXPLORER HD DTMB or an external power supply To set the External supply 2 function see section 5 7 External Units Power Supply press the 11 key and the rotary selector 9 1 to set a voltage of 13 V Finally select the SAT IF TEST application on UTILITIES 5 22 menu for band the ATTENUATION TEST for terrestrial band and connect the generator to the point where the antenna will be connected signal source Press the 17 key to see on screen the me
68. es of channels that can be independent for each system or installation At any time the measurement sessions using only the pretuned channels can be repeated In this way it is possible to optimise the measurement process Shown on the frontal panel is the type of measurement that is being carried Terrestrial Satellite Analogue Digital and the data are presented on a hi res 6 5 colour graphic TFT transflective display with panoramic aspect ratio 16 9 The equipment incorporates a light sensor that activates the contrast and luminosity of the display according to the environmental conditions Furthermore the TV EXPLORER HD DTMB comes with a connector for CAM modules PC Card that allows the insertion of subscriber conditional access cards The TV EXPLORER HD DTMB is an ideal size to hold with a hand The instrument can be held to the body with the carrying bag or transport belt which at the same time protects it from the rain Because it is designed for outdoor use it includes an anti shock protector that completely covers the instrument and is supplied with a strong transport case As well the front panel does not have any keys nor gaps to avoid accidental water ingress The TV EXPLORER HD DTMB is designed to integrate measurements that require different operating configurations In this way it incorporates a specific function to facilitate the alignment of antennas When activating the alignment function the instrument is set automatica
69. he RF 30 connector on the side panel The peak signal level should never exceed 130 dBuV 6 2 TS ASI Input Output The TS ASI input output signals works through the connectors 42 output lt 43 input at the rear panel 6 3 USB port The TV EXPLORER HD DTMB incorporates an USB On the go port 40 which enables the communication with a PC and to download dataloggers and channel plans The USB On the go makes it possible for two USB devices to communicate with each other without requiring a separate USB host In practice one of the USB devices acts as a host for the other device amm Figure 69 USB On the go connector at the rear panel External view 6 4 HDMI Conector High Definition Multimedia Interface HDMI High Definition Multimedia Interface is a compact audio video interface for transmitting uncompressed digital data HDMI supports on a single cable any TV or PC video format including standard enhanced and high definition video up to 8 channels of digital audio and a Consumer Electronics Control CEC connection The CEC allows HDMI devices to control each other when necessary and allows the user to operate multiple devices with one remote control handset Figure 70 HDMI Connector at the rear panel External view 11 2013 Page 95 C dig AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 6 5 Scart DIN EN 50049 20 1816 141210 8 6 4 2 O o
70. he rotary knob 1 Press again the rotary knob to get back to the list of files 5 21 USB On the Go Function The TV EXPLORER HD DTMB has a female mini USB port that uses a specific communication protocol called USB On The Go OTG abbreviated This type of communication allows the equipment to work in two different ways depending on the element connected to the USB port as a server host or as a device slave In general the TV EXPLORER HD DTMB works as a host when connecting a USB flash drive and as a Slave when connecting to a computer This function converts the PC into a much more versatile instrument 5 21 1 Connection of EXPLORER HD DTMB host to a USB flash drive slave This option allows you to copy a certain file from the TV EXPLORER HD DTMB to the USB flash drive or vice versa To access these options you should previously connect a USB memory device flash drive portable hard drive etc to the mini USB female port of the instrument To do this use the CC 045 cable Mini USB male female USB supplied with the equipment When the connection is working it appears an USB icon on the measurement screen see picture and the USB option becomes available on the Utilities menu DTMB 1 0E 1 1 16 5 dB 20 5 dB 24 7 dB 1 0 E 1 Figure 55 11 2013 Page 79 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The USB menu has the following options Copy To Pendrive Get From Pendrive Copy Streams to
71. her menu will be displayed Choose the file duration The capture system stores the data in a file during the performed period of time When the elapsed time is higher than the file the last captured data will be stored For example if the selected file time is 1800 s and the elapsed time is 36000 the file will be stored the seconds from 34200 to 36000 BOUNDED If this option is selected other menu will be displayed Choose the file duration When the end of the file arrives the capture will be stopped and stored CONTINUOUS The equipment starts the capture and it is not stopped until the user does it manually or the equipment does not have free memory OSD INFO If this option is selected on the left edge of the screen a heading to connect each signal level dB with the respective colour will be showed START Select it to start the capture process n To finalize the capture manually pres the key 17 and select STOP EXIT Select it to go to the first screen of the Spectrogram 5 16 2 2 Recall a Spectrogram file n Press the key 22 choose RECALL SPECTROGRAM and select the file with the variable knob The file will be displayed on the screen All the file information is available The saved files are stored in the folder OTHERS 11 2013 Page 73 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 16 2 3 Delete a Spectrogram file To delete a Spectrogram capture press the key 22 and select the option
72. ic power value according to some known power values so that it measures channel power in the bandwidth of the measuring filter and estimates the total channel power assuming that the spectrum density is uniform over the entire bandwidth of the channel The integrated approach gives the true RMS value for any signal 11 2013 Page 53 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB On selecting the CHANNEL POWER measurement mode the screen displays the following information 77 4 dBuV _ 50 JO 90 110 130 818 00 MHz C N gt 33 6 dBuV 15 kHz POWER 77 4 dB MER 26 9 dB LBER 1 BE 2 Figure 28 Digital channel power measurement In addition to the power of the digital channel 77 4 dBuV in previous figure this also shows the tuning frequency or channel depending on the tuning mode selected and the offset frequency to calculate the digital channel power and the deviation frequency of the central tuning calculated by the demodulator measurement that indicates the adjustment in the channel tuning For the power measurement of a digital channel to be correct it is essential to have previously defined the channel bandwidth using the Channel BW option in the Measurements Configuration menu that appears when pressing A 17 key 5 14 7 Digital TV Measuring BER The TV EXPLORER HD DTMB offers three ways to measure the error rate BER of digital signals depending on the type of used modulation
73. ied This configuration menu shows besides the QPSK 8PSK signal parameters selected by user all the values automatically detected Roll Off Nyquist filter roll off factor Pilots Only in DVB S2 Pilots detection in transmission IMPORTANT REMARK DVB channels tuning may require an adjusting process It is recommended to follow next procedure From the spectrum analyser mode 13 tune the channel at its central frequency Switch to Measurements mode 12 measurement selection If in the lower line of the screen does not appear MPEG 2 message and consequently is unacceptable by turning the rotary selector deviate the tuning frequency until MPEG 2 message appears Finally tune channel again to minimize the frequency deviation which optimises the BER and therefore minimize the If it is not possible to detect any MPEG 2 channel make sure that digital signal parameters are correctly defined Page 46 11 2013 USER S MANUALTVEXPLoRER HD orms LASS PROMAX 5 14 Selecting the Measurements The types of measurements available depend on the operating band terrestrial or satellite and the type of signals analogue or digital Terrestrial band Analogue channels Level Video Audio C N FM Deviation Level measurement of the currently tuned carrier Video carrier to audio carrier ratio Ratio between the modulated signal power and the equivalent noise power for a same bandwid
74. igate through the CAM module menu Whenever an option is selected the waiting A icon appears until the module allows accessing to the next menu or to the option selected In order to insert or to change one CAM module follow these steps CAM module connector 38 is located on the equipment rear panel Place the instrument on a stable surface and insert the module so the printed arrow appears on visible upper face pressing until the extractor mechanism button 39 becomes activated 11 2013 Page 97 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB OF o gt m Figure 72 Subscriber Smart Card and CAM module insertion To extract an inserted CAM module press the button from extractor mechanism 39 and remove the module IMPORTANT REMARK The insertion of a CAM module or a SMART CARD in a wrong position might produce the instrument malfunction and could generate damages to the equipment Page 98 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 7 MAINTENANCE N 7 1 Considerations about the Screen This paragraph offers key considerations regarding the use of the colour screen taken from the specifications of the manufacturer In the TFT display the user may find pixels that do not light up or pixels that are permanently lit This should not be regarded as a defect in the TFT In accordance with the manufacturer quality standard 9 pixels with these characteristics are considered admissible
75. information acquired using a computer system The equipment is able to generate automatic measurement reports and to update itself through Internet by means of PkTools provided software The TV EXPLORER HD DTMB in addition allows to record and play one service from the TS of the digital channel that is being demodulated by an internal memory up to 1 GB Also this meter incorporates a DiSEqC command generator and permits to supply different voltages to the external unit 5 V 13 V 15 V 18V 24 V and includes an EUROCONNECTOR or Scart connector for audio video input output The TV EXPLORER HD DTMB is powered by a rechargeable battery or connected to the mains through the supplied external DC power charger It incorporates a USB On the go port which enables the communication with a PC and to download dataloggers and channel plans This instrument due to its extreme compact design technical specifications and low cost becomes the industry standard for the installer 1 2 Specifications N CONFIGURATION FOR MEASURING LEVEL AND POWER TUNING Digital frequency synthesis Continuous tuning from 5 to 1000 MHz and from 950 to 2150 MHz Terrestrial and Satellital respectively Tuning modes Channel or frequency IF or downlink at satellite band Channel plan configurable on demand Resolution 5 1000 MHz 50 kHz 950 2150 MHz lt 200 kHz span FULL 500 200 100 50 32 16 MHz Automatic search Explorer Threshold level
76. l Rate It is possible to choose over the following values from 1000 to 45000 kbauds When selecting the option appears the current value in order to modify it enter a new value through keyboard when appears the data enter symbol appears on the upper left corner screen When altering this parameter modifies automatically the value of the Channel Bandwidth and vice versa due to the relation that exists between these two parameters an DVB S SIGNAL DVB S VBER ims 1 0E 3 RR 8 531 1 FREQ B t i2 PLU 1 3 dB 61 2 dByV DL Ku 1143 x 3 0 a JL R 1 0 1 1 0E 3 Figure 21 Mesurement configuration screen QPSK signals Modulations Only in DVB S2 Modulation used by carriers It defines also the system noise immunity QPSK and 8PSK Polarization It affects to the signal reception in the SAT band satellite It allows to select the signal polarisation among Vertical Right vertical and circular clockwise and Horizontal Left horizontal and circular counter clockwise or to deactivate the polarization OFF 11 2013 Page 45 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 7 Sat Band Selects the High or Low frequency band for satellite channel tuning 8 LNB Low Osc Sets the LNB low band local oscillator 9 LNB High Osc Sets the LNB high band local oscillator up to 25 GHz NOTE In the channel tuning mode the Polarization and Sat Band options cannot be modif
77. lly to offer a fast spectrum sweep and a high sensitivity graphical bar that allows fine adjust for the maximum signal In addition it includes a module for the powering of LNBs and DTMB antennas to 5V and the commands for the programming of DiSEqC 1 2 and SatCR devices The TV EXPLORER HD DTMB can be updated to new software versions that extend the available functions in the future That means it can incorporate new benefits without additional cost For example in the test of satellite signals distribution networks using combined with an IF generator permits to carry out an easy verification of the installations before commissioning The spectrum analyser features with high accuracy resolution sensitivity and sweep speed allows the instrument to be very useful for applications as the installation of antennas It presents an innovative control system based on four arrows that makes the use of the spectrum analyser very intuitive The arrows allow adjusting the reference level by steps of 10 or 5 dB and the frequency margin Span on screen 11 2013 Page 3 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB To enhance its convenience of use it includes memories to store automatically the different data acquisitions i e acquisition name test points frequency channel plan etc Moreover the DATALOGGER function makes it much easier to test systems in which a large number of measurements have to be made and enables further processing of all the
78. n at the HF input appear an important number of carriers with a high level the tuning circuit may become out of control giving as a result wrong level measurements To be able to determinate the equivalent level of a carrier group with similar levels at the RF input it is possible to use the expression 10 log N Ly equivalent total level L average level of the carriers group N number of carriers So if there are ten carriers with a level around 90 dBuV their equivalent level will be 90 dBuV 10 log 10 100 dBuV Observe that in this case loss of tuning by overload of the RF input may occur besides other effects such as tuner saturation and generation of intermodulation products that may mask the spectrum visualization 11 2013 Page 49 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 14 2 Analogue TV Measuring the Video Audio ratio V A In the Audio Video measurement mode on the screen appears the following information TERRESTRIAL 16 2 dB 30 40 7B OBUV 40 1 dB 16 2 dB 2B kHz Figure 23 Measurement of the video audio ratio In addition to the video carrier audio carrier level ratio 16 2 dB in previous figure it also shows the frequency or channel depending on the tuning mode selected and the Carrier Noise ratio 5 14 3 Analogue TV Measuring the FM deviation The TV EXPLORER HD DTMB measure the deviation in frequency of any modulated analogue carrier in FM This function allows visualisi
79. nd to avoid the input saturation Speed of sweep can be modified for terrestrial TV signals To that end press n shortly the key 17 MEASUREMENT CONFIGURATION On the menu Configuration it will appear the option Sweep Entering in this option you can switch between Fast for a quick sweep of the spectrum or Accurate for a slower sweep This option will only appear when you re working with terrestrial TV signals therefore the led T on the front panel must be lighted The frequency range displayed called span from hereon can also be altered using the horizontal cursors 6 key Therefore enables selecting the displayed screen frequency range in Spectrum Analyser mode between Full the entire band 500 MHz 200 MHz 100 MHz 50 MHz 32 MHz 16 MH and 8 MHz the latter one only in terrestrial band A vertical broken line called marker appears on the spectrum display to identify the tuned frequency One of the applications of the TV EXPLORER HD DTMB operating as Spectrum Analyser is in the search for the best orientation and position of the receiving antenna This is particularly important in UHF Because such frequencies are involved with wavelengths ranging from 35 cm to 65 cm if the antenna is shifted only a few centimetres the relationship between the picture chrominance and sound carrier frequencies change affecting the quality of the picture in the receiver If there is an excess of sound carrier tearing or moir
80. nerally defined as one lost packet per hour The LM is measured in dB and its value is equal to the safety margin that separates us from the QEF As bigger LM better signal quality An LM with a negative value means that there is no signal reception or errors are beginning to display clearly in the video or the audio An LM equal to 0 zero displays a service and occasionally some artefacts can be observed Analogue and digital carriers are very different in terms of signal contents and power distribution over the channel They therefore need to be measured differently The modulation error ratio MER used in digital systems is similar to the Signal Noise S N ratio in analogue systems MER represents the relation between the average power of DVB signal and the average power of noise present in the constellation of the signals When measuring MER it also shows the noise margin in DTMB C S and the Link margin in DVB S2 which indicates the distance from the QEF point at the current signal By example QAM 64 demodulators require a MER greater than 23 dB to work Though it is preferable to have at least a 3 or 4 dB margin to compensate for any possible degradation of the system While QAM 256 demodulators require a MER greater than 28 dB with margins of al least 3 dB Normally the maximum MER value seen in portable analysers is of approximately 34 dB Finally it is shown a status line which displays information about the detected signal
81. ng frequency peak deviation for FM carrier signals Once this DESV FM measurement mode is activated will appear the following information on screen TERRESTRIAL 28 dB iS 100 LEVEL 42 3 dBiVv C N 0 7 dB VIA 1 6 dB SFM DEV 41 KHz Figure 24 FM carrier peak deviation Page 50 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX On the screen appears the deviation peaks in order to observe if they are within a suitable range limit valid for both the receiver and the transmitter in the transmitting system 5 14 4 Analogue FM Measuring the Level and demodulating signal Press the Measurement Configuration 17 key to accede to the CONFIGURATION menu and turn the rotary selector 9 1 in order to select the analogue FM signal In the analogue FM measurement mode the TV EXPLORER HD DTMB display works like an analogue level indicator showing the signal level present in the input ANALOG 56 6 dBuV 90 110 130 EIE 96 6 FM DEY Figure 25 FM analogue signal measurement The instrument also demodulates the FM carrier radio and allows to listen sound through the loudspeaker 33 5 14 5 Analogue Digital TV Measuring the Carrier Noise ratio C N The TV EXPLORER HD DTMB carries out C N ratio measurement in four different ways according to the carrier type and the used band A Terrestrial band analogue carrier Carrier level is measured using a quasi peak detect
82. ntrol moving between the various on screen menus and sub menus and validation of the different options In order to power on the equipment hold the rotary selector pressed for more than two seconds until the presentation screen appears In order to power off the meter hold the rotary selector pressed 11 2013 Page 19 2 3 4 5 6 7 8 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Tuning purposes turning it clockwise frequency increases while turning it anticlockwise frequency decreases To move along the on screen menus turning it clockwise active option moves downwards while turning it anticlockwise active option moves upwards EXT VIDEO Video signal presence light indicator It lights up when video on screen is coming through the SCART connector 35 DRAIN External units power supply indicator Lights up when the TV EXPLORER HD DTMB supplies a current to the external unit CHARGER External DC charger operation indicator When batteries are installed the battery charger is automatically activated SENSOR Sensor of environmental luminosity allows automatic adjusts of the display contrast and brightness contributing to the battery saving CURSORS Allow adjust in the Spectrum Analyser mode of the reference level and the margin of frequencies to represent span As well as the movement through the different menus and submenus that appear in the monitor MONITOR MAIN KEYBOARD 12 keys to sel
83. ompression With no doubt it will become the digital replacement for analogue standards such as the Euroconnector SCART The TV EXPLORER HD DTMB also has a DVB ASI standard interface which allows both the input and output of transport streams Automatically detects whether the stream is composed by 188 or 204 bytes and can transmit data in packet mode or burst mode You can select the input you want to decode between the external ASI and the internal demodulator and what data you want in the ASI output either from the demodulator or the CAM module Therefore to have TS ASI inputs and outputs becomes an essential feature for a TV analyser ready for the future When pressing the auto identification key it searches and identifies the signal under test First it recognises whether the signal is an analogue channel or a digital one If the channel is analogue it determines the television standard of the signal When the signal is digital DVB it analyses for each modulation type QAM QPSK 8PSK DTMB all the associated parameters such as the modulation system symbol rate code rate etc and determines the value of the signals under test The range of frequencies covered makes this instrument an excellent tool for FM radio terrestrial TV mobile TV satellite TV and cable TV where the sub band tuning margin from 5 to 45 MHz enables the user to carry out tests on the return channel The TV EXPLORER HD DTMB includes the main TV standar
84. on Equipment detalls Meds HO ANGERS Select Port COMI Prodi Hos 0 1 Port CON Sena Peapod Veg ig angie dans Figure 58 5 22 Setting the TS ASI Input Output The TS ASI option is a key feature for a TV analyser It allows both input and output transport streams It automatically detects whether the stream is composed of 188 or 204 bytes It can transmit in packet mode or burst mode To configure the TS ASI inputs and outputs access from the TV mode or from the measurement mode From the TV mode press the measurement configuration c 17 to access the SETUP menu and go to the bottom of the menu until the Enable ASI INTERFACE option w ENABLE ASI INTERFACE 1 MID Figure 59 Page 82 11 2013 USER S MANUAL TVEXPLoRER __ LZRLPEIOMVOG Select the option by pressing the rotary and turn it to go from OFF to ON Press the rotary to accept the change There are two new options which are ASI OUTPUT SOURCE It allows you to select the output signal between two options DEMODULATORS and AUXILIAR The DEMODULATORS option uses the TS coming from the internal demodulator which is active at that time The AUXILIARY option uses any video file TS INPUT SOURCE It allows selecting the TS to use in the decoder The INTERNAL option uses the TS coming from the internal demodulator of the instrument The EXTERNAL option uses the TS connected through the TS A
85. onnector for CAM modules and SMART CARD Enables the conditional access decryption of encoded digital TV signals in agreement with the DVB CI Common Interface recommendation This technology supports all those decryption systems for which a valid CAM module exists according to DVB Cl with the corresponding subscriber card The TV EXPLORER HD DTMB by means of Common Interface method offers the possibility of supporting various conditional access systems so that video and or audio broadcast by encrypted services scrambled TV for subscribers may be decoded following the SimulCrypt model It provides a standard connector to insert CAM modules Conditional Access Module which allows a specific management for each codification system SimulCrypt is a process supports various parallel conditional access systems together with the encryption algorithms specified by DVB CSA Common Scrambling Algorithm to control access to pay TV services The SimulCrypt broadcasts Transport Stream contains keys for various conditional accesses thereby allowing reception by more than one type of decoder The user just needs to insert the subscriber Smart Card in the CAM module connector designed for this purpose When a CAM module has been inserted and the instrument is in the digital TV operation mode accede to the Measurement configuration menu by pressing the n7 key and select the COMMON INTERFACE option By means of this option the user can nav
86. or 230 kHz BW Noise level is measured with an average detector and corrected to refer it to channel equivalent noise bandwidth according to the definition of the selected standard B Terrestrial band digital carrier Both measurements are done with an average detector 230 kHz and the same corrections are introduced on them bandwidth corrections 11 2013 Page 51 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB C Satellite band analogue carrier Carrier level is measured using a quasi peak detector 4 MHz BW Noise level is measured with an average detector 230 kHz and corrected to refer it to channel bandwidth D Satellite band digital carrier Equivalent to case B but now using the 4 MHz BW filter On selecting the Carrier Noise measurement mode the screen displays the following information TERRESTRIAL gt 41 0 dB 50 60 MHz LEVEL 85 1 dBuV 41 0 dB MEI 49 6 dB FI DEV 28 kHz Figure 26 Carrier to noise ratio measurement C N As well as the video carrier noise level ratio C N 41 0 dB in previous figure the frequency or channel depending the tuning mode selected and the evel of the video carrier and video audio ratio are also shown When representing the spectrum by means of pressing M 13 key the NOISE cursor is automatically positioned to a side of the carrier tuned That is the cursor will indicate the point where the value of the noise is lower whenever the C N AU
87. p more space and time For this reason this option is independent of the copy of the rest of files 5 21 1 1 Connecting a computer host to the TV EXPLORER HD DTMB slave To connect a TV EXPLORER HD DTMB with a computer you should install the drivers if they are not installed yet you have in the folder USB DRIVERS on the memory support delivered with the instrument To install drivers follow the steps described in the manual Lad DTMB POWER 77 4 dBuv LL lt lt amp 4 30 60 oO 110 130 1782 00 MHz 15 1 dB 2477 kHz 77 4 LBER 1 8E 2 Figure 57 Then you have to install the software NetUpdate which is also found in the memory support delivered with your equipment It allows connecting the TV EXPLORER HD DTMB and to perform various functions such as create and edit plans update firmware etc Once installed all the necessary software on your computer connect the TV EXPLORER HD DTMB to the computer by using the CC 041 mini USB male USB male delivered with the equipment After connecting it appears an icon at the top of the measurement screen see next figure Run the program and make the connection with your equipment using the option Detect on the program to access all the available features 11 2013 Page 81 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB tat Hatlpdate 4 Largus Cetens Aa PROMAX NetUpdate 4 Equipment Detecti
88. pressing the rotary knob 9 1 Possible zoom are 1x 2 4x 8x 16x 32x and 64x In the list of the echoes parameters the delay is presented in micro seconds the distance in kilometres and the attenuation in dB 650 00 C delay us 60 dist Km 18 10 2 TS DTMB ZOOM x1i Figure 53 ECHOES Screen Around the main path there is an area in a different colour This area represents the Guard Interval If an echo is outside this area can be dangerous for the transmission In this case a warning message ECHOES WARNING appears delay us 0 9 190 9 dist Km 0 2 71 9 dBc 5 4 5 3 MPEG 2 TS DVB T Figure 54 ECHOES WARNING Screen Page 76 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 5 18 Screen capture The user can capture and save different screens in a file with the aim to process them later The screens which can be captured are the following ones available according to the model 1 Constellation Diagram 2 Spectrum analyser In order to save a screen access through the function or operating mode to the re Utilities menu 22 and select by means of the rotary selector 1 the Save as option later introduce by means of the alphanumeric keyboard 8 the file name of the screen to be captured and finally confirm it by pressing again the rotary selector ae 1 5 18 1 Recall screen Accede to the Utilities menu 22 and select one of the following options
89. r Single Wl DTMB POWEF 110 130 6 4 dB 69 3 dBuV 22 5 dB 1 8 2 Figure 20 Screen of mesurement configuration DTMB signals 5 13 3 DVB S S2 QPSK 8PSK Digital Channel Configuration Press the Measurements Configuration c 17 key to access to the CONFIGURATION menu and turn the rotary selector 9 1 until the SIGNAL option Select the signal DVB S S2 which uses QPSK 8PSK modulation Parameters related to QPSK 8PSK modulation that the user can set are described below 1 Channel BW channel bandwidth Enables the channel bandwidth to be selected over a range from 1 3 MHz to 60 75 MHz The selection of this parameter is essential for the correct operation of the tuner as it affects the frequency separation of the carriers If you change the bandwidth the Symbol Rate changes proportionally and vice versa Page 44 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX Spectral Inv If necessary activate the Spectral inversion On Reception will be bad if spectral inversion has been incorrectly selected Code Rate Also known as Viterbi ratio It defines the ratio between the number of data bits and actual transmission bits the difference corresponds to the control bits for error detection and correction In DVB S it permits to choose between 1 2 2 3 3 4 5 6 and 7 8 In DVB S2 it permits to choose one of the following values 1 4 1 3 2 5 1 2 3 5 2 3 3 4 4 5 5 6 8 9 y 9 10 Symbo
90. re 39 DVB S2 QPSK 8PSK signals LBER measurement screen The BER measurement is provided in scientific notation i e 2 7 E 7 means 2 7x10 that is to say two incorrect bits of every 10 000 000 and through an analogue bar as its length is smaller the signal quality will be better The analogue representation is done on a logarithmic scale not linear With the aim to have a reference about the signal quality it is considered that a system has a good quality when it decodes less than one non correctable error for every transmission hour This border is known as QEF Quasi Error Free and it corresponds approximately to a BER after Viterbi of 2 0E 4 BER 2 0x10 This value is marked on the measurement bar of the BER after Viterbi and therefore BER for acceptable signals must be at the left side of this mark Next it is shown the tuning frequency and the frequency deviation in MHz between the tuned frequency and the one which optimises the BER Page 60 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Finally it is shown a status line with information about the detected signal The possible messages that can appear and its meaning are shown in the following list The messages are exposed from less to more fulfilment of the MPEG 2 standard No signal received Any signal has been detected Signal received A signal is detected but it can not be decoded Carrier recovered A digital carrier has been detected but it can not be d
91. ressing the decimal point E 17 key it enters the character point and later the equipment allows entering two more digits In order to introduce a negative number first press the 24 key until the sign appears In order to erase a digit move with the horizontal cursors 6 key placing n the cursor behind the digit that is desired to erase and later keep c 17 key pressed until the digit disappears Repeat the operation by each additional digit you wish to eliminate n Once deleted the first digit when keeping pressed the 17 key erases the rest of characters from field 2 Entering alphanumeric data a channel plan name Press the corresponding key of the keyboard 8 letter or digit to be entered The word to be entered can be written by pressing each key The keys must be pressed two seconds before and for a suitable number of times until it appears the expected letter or digit on screen In order to switch between small letters to capital letters and vice versa first press the key 25 Note Press the upper arrow cursor 6 key to cancel any data entry through the keyboard When maintaining pressed a numerical key in text mode the corresponding number is directly entered 11 2013 Page 93 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Page 94 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 6 DESCRIPTION OF THE INPUTS AND OUTPUTS 6 1 RF input RF The RF input is through t
92. s The user can modify the bandwidth and then the symbol rate will change according to the bandwidth but once the demodulator locks a signal the bandwidth will change according to the symbol rate detected Spectral inversion If necessary activate the Spectral inversion On If the spectral inversion is not correctly selected reception will not be correct Symbol Rate When selecting this function and pressing the rotary selector 9 1 is possible to choose the symbol rate Modulation It defines the modulation type When selecting this function and turn the rotary selector 9 1 to choose one of the following modulations 16 32 64 128 and 256 DVB C DVB C 2 10 130 16 5 dB gt dB dB 20 7 3 4 E 4 66 Figure 19 Screen of mesurement configuration QAM signals 11 2013 Page 43 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 13 2 DTMB Digital Channel Configuration This configuration menu shows the value of the signal parameters detected automatically Channel BW Fixed to 8 MHz in DTMB configuration Code Rate FEC protection ratio 0 40 0 60 0 80 Constellation Carriers modulation It also defines the system noise immunity QAMANR QAM4 QAM16 QAM32 QAM64 Time Interleaver 240 720 Frame Header The frame header corresponds to the dead time between symbols its purpose is to permit a connect reception in multi path situation 420 595 945 Carrier Mode Multiple o
93. selectable DTMB DVB C DVB S and DVB S2 selection DiSEqC is a trademark of EUTELSAT USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Signal identification RF INPUT Impedance Connector Maximum signal Maximum input voltage DC to 100 Hz 5 MHz to 2150 MHz Analogue and digital Automatic 750 Universal with BNC or F adapter 130 dByV 50 Vrms powered by the AL 103 power charger 30 Vrms not powered by the AL 103 power charger 130 dByV DIGITAL SIGNALS MEASUREMENT MARGIN OF POWER MEASUREMENT DTMB QAM QPSK 8PSK MEASUREMENTS DTMB Presentation DVB C QAM Presentation DVB S QPSK Presentation DVB S2 QPSK 8PSK Presentation CONSTELLATION DIAGRAM Type of signal Presentation DTMB SIGNAL PARAMETERS Carriers Guard Interval Code Rate Modulation Bandwidth Time interleaver DVB C SIGNAL PARAMETERS Demodulation S ymbol rate Roll off a factor of Nyquist filter Spectral inversion 11 2013 45 dByV to 100 dBuV 45 dByV to 110 dBuV 44 dBuV to 114 dBuV Power MER C N LBER LDPC Iterations and Link Margin Numeric and level bar Power BER MER C N and Noise margin Numeric and level bar Power CBER VBER MER C N and Noise margin Numeric and level bar Power CBER LBER MER C N wrong packets and Link Margin Numeric and level bar DTMB DVB C DVB S and DVB S2 l Q graph Multi Carrier or Single Carrier 420 595 945 0 40 0 60 0 80
94. t is provided before FEC after Viterbi VBER BER before FEC BER after Viterbi FREQ 1782 00 MHz 15 1 dB 2477 kHz POWER 72 4 dBpV DL Ku Ka 12382 0 MHz 7 1 dB s MEER 1 1 6 MPEG 2 TS 30W Via Digital Figure 37 DVB S QPSK signals VBER measurement screen 11 2013 Page 59 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB In a digital reception system for satellite signals DVB S2 after the QPSK decoder other two different correction methods are applied see following Figure In this case as the previous one each time we apply an error corrector to a digital signal the error rate changes therefore if we measure in a digital satellite television system for example the error rate at the output of the QPSK 8PSK demodulator at the output of the Low Density Parity Check LDPC decoder and at the output of the BCH decoder we obtain nothing more than different error rates This is the reason because the BER measurement is provided after LDPC LBER It also shows the amount of packet errors PER that is the amount of packets receiving during the measurement time which are not correctable by the demodulator WP BER before FEC CBER BER after LDPC QPSK 8PSK DEMOD Figure 38 Digital reception system via satellite DVB S2 2 7 E 7 ELAPSED TIME 00 00 05 FREQ 2121 97 MHz 9 C N 16 1 dB 1657 kHz POWER 69 8 DL Ku Ka 12722 0 MHz 8 MER 12 6 dB rari a Figu
95. th according to TV standard Measure the frequency peak deviation for any modulated analogue carrier in FM Terrestrial band Digital channels DVB C DTMB and ITU T J 83 B Channel power C N MER CBER Channel power is measured assuming that power spectral density is uniform throughout channel bandwidth measure it correctly it is indispensable to define the Channel BW Out channel measurement Noise level is measured at froise ftuning Je Channel BW To measure it correctly digital channel must be tuned at its central frequency Modulation error ratio with noise margin indication only for DVB C and ITU T J 83 B LBER only for DTMB BER measurement Bit error rate for the digital signal before error correction BER before FEC BER measurement Bit error rate for the digital signal after error correction BER after LDPC Satellite band Analogue channels Level C N 11 2013 Level measurement of the currently tuned carrier Ratio between the modulated signal power and the equivalent noise power for a same bandwidth Page 47 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Satellite band Digital channels DVB S S 2 Channel Power Automatic method C N Ratio between the modulated signal power and the equivalent noise power for a same bandwidth MER Modulation Error Ratio Complementary measurement of the Noise Margin for DVB S and the Link Margin for DVB S2 CBER The
96. the recording press the UTILITIES 8 22 and select the option Stop recording Page 88 11 2013 USER S MANUAL TVEXPLoRER uo orms LARS PROMA 8 In order to play the previously recorded sequence press the UTILITIES 22 and select the PVR Playback option using the rotary selector 9 1 In the image it will appear an icon indicating that the video is being played the option can be stopped the sequence selecting Pause Playing When is completed on screen appears the pause icon Select the Stop Playing option to back to the tuned channel viewing 5 24 Antenna Alignment Function 9 F Pressing the w 23 you access the function Antenna Alignment in order to align antennas using a faster sweep without display of numerical measures The display appears divided in two parts the left one shows the spectrum of the signals detected in the band and on the right two analogue bars represents the more high signal level found during the last carried out sweeping The left bar shows the peak value with a certain persistence The right bar shows a filtered average value Figure 65 Utility for antenna alignment Simultaneously the instrument emits by means of the loudspeaker an acoustic tone which varies according to the level of received signal 0 Press the 24 key to switch between tuning by frequency or by channel Turn the rotary selector Ed 1 to change frequency or channel To modify the SPA
97. their work with maximum comfort and speed Simultaneously the instrument is reliable for any possible problem at the input signal at the distribution components or the receiver equipment Millions of people in Europe are now served with digital TV broadcasting only Analogue switch off is history for them For these and those who still are in the migration process from analogue to digital the use of digital TV distribution equipment will be more frequent every day The typical high definition formats used in nowadays broadcast are 1080i 1920x1080 pixels and 720p 1280x720 pixels Most of the TV programmes using these video resolutions are being broadcasted compressed in MPEG 4 The TV EXPLORER HD DTMB is able to display those TV programmes thanks to its state of the art electronics HDTV content is expensive to produce and therefore it is usually protected by encryption Once again the TV EXPLORER HD DTMB is setting new standards with its CAM interface that allows the encrypted high definition programmes to be displayed as well TV EXPLORER is a registered trademark PROMAX Electronica S L Digital Wideo 1 Brosdcasting Trademark of the DVB Digital Video Broadcasting Project 11 2013 Page 1 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The TV EXPLORER HD DTMB has an HDMI connector High Definition Multi media Interface which allows the use of standard enhanced or high definition video as well as 8 audio digital channels without c
98. trum monitoring 5 mi 1 Select the frequency band to graph 14 terrestrial or satellite 4 2 Press 13 key to activate the signal sweeping 3 Press 6 to modify the reference level in the vertical axis 4 Press 6 to modify span in the horizontal axis STEP 7 Video signal monitoring 5 268 1 Select the terrestrial frequency band v 14 2 Tune the channel or frequency 24 that is desired to visualize on screen J 3 Verify that the equipment receives an appropriate signal level 12 Press 10 key to visualise the TV image if the channel is digital press 6 and place the cursor on the Service Identifier field and press the rotary selector fos M 1 to obtain the available list of services 11 2013 Page 17 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Page 18 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2x PROMAX 5 OPERATING INSTRUCTIONS WARNING The following described functions could be modified based on software updates of the equipment carried out after manufacturing and the publication of this manual 5 1 Description of the Controls and Elements Front panel e 58 CR s J Wha LJ DAAN p j CHARGER I TV EXPLORER DTMEB D 8 5 4 3 2 Figure 3 Front panel 1 Rotary selector button This has many different functions Equipment power on off tuning co
99. uickly and easily and to make measurements at the same time 4 To select it press M 13 key The monitor will show a picture like the one described in the next figure ee unes eae uu x Figure 48 Spectrum analyser mode The horizontal lines define the signal level the broken lines being separated a distance equals to 10 dB The level of the top line 70 in previous figure named Reference Level can be altered using the vertical cursors v 6 key over a range from 60 dBuV to 130 by steps from 70 dBuV to 130 dByV in satellite band The vertical measurement range changes to 5 dB div by holding pressed the lower arrow cursor key 6 and changes to 10 dB div by holding pressed the upper arrow cursor key v 6 Page 68 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX The signal level for each frequency is displayed vertically the lower frequencies appear at the left of the screen and the higher ones at the right The amplitude of the lobes is calibrated In the example in previous figure the noise level is at around 25 dBuvV and the lobe with the highest signal level third from the right is at 70 dBuV In the case that the equipment detects saturation on RF input due to an excess of signal it will appear the icon in the Spectrum Analyser mode and the message SYNC FAIL in the TV mode to indicate this situation The user must increase the Reference Level in order to activate an additional attenuator a
100. upply DOUBLE INSULATION Class II protection CAUTION Risk of electric shock DIRECT AND ALTERNATING GROUND TERMINAL PROTECTIVE CONDUCTOR CAUTION REFER TO MANUAL FRAME TERMINAL FUSE Qu EQUIPMENT OR COMPONENT eS A EQUIPOTENTIALITY TO BE RECYCLED 2 2 Descriptive Examples of Over Voltage Categories Catl Low voltage installations isolated from the mains Cat Il Portable domestic installations Cat Ill Fixed domestic installations Cat IV Industrial installations Page 12 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 3 INSTALLATION 3 1 Power Supply The TV EXPLORER HD DTMB is a portable instrument powered by one 7 2 V Li lon battery There is also an external DC charger provided for mains connection and battery charging 3 1 1 Operation using the External DC Charger Connect the external DC charger to EXT SUPPLY 32 the TV EXPLORER HD bi Sidi panel Connect the DC charger to the mains Then press the rotary selector 7 1 for more than two seconds The level meter is now in operation and the battery is slowly charged When the instrument is connected to the mains the CHARGER indicator 4 remains lit This indicator changes of colour according to the battery charge status BATTERY CHARGE STATUS GREEN 100 100 Table 1 Indication of the battery charge status CHARGER 3 1 2 Operation using the Battery For the Ld to operate on the battery disconnect the power
101. w 30 RF gt RF signal input Maximum level 130 dBpV Universal connector for F F or F BNC adapter with input impedance of 75 Q ATTENTION JN Use the 10 dB attenuator AT 010 to protect the RF gt 30 input whenever the input signal level is greater than 130 dB V 1 V or when suspecting about intermodulation problems This accessory allows DC voltages to pass when powering external units as LNB and amplifiers o Figure 6 Connecting external attenuator on RF input 30 Page 28 11 2013 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX ATTENTION JN Note the importance to protect the RF gt 30 input signal with an accessory to block the AC voltages used in CATV cables needed to feed the amplifiers and remote control areren aS aS e a a atat 8 5 8 5 5 5 5 afa aT tatu na al arat t tu 8 8 B B 5 e 5 s s 5 e 5 5 n n 5 Ln n n S n n 8 8 B B b e 5 n n 8 stats Los on E te Rotor cx ECC XEXEXXXEKZXEEXEEXI Rotor C A EXEXEXEXEXEZXEEXEEXI 8 69 86 Figure 7 Lateral panel elements 31 RESET button Enables the user to restart the instrument if there is any irregularity when operating 32 External 12 V power supply input 33 Fan 34 Loudspeaker 35 SCART connector 36 Transport belt hook 11 2013 Page 29 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB
102. wing is shown the BER measurement after the LDPC error correction the LBER In a DTMB digital reception system after the decoder other two different correction methods are applied see following Figure In this case as the previous one each time we apply an error corrector to a digital signal the error rate changes therefore if we measure for example the error rate at the output of the DTMB demodulator at the output of the Low Density Parity Check LDPC decoder and at the output of the BCH decoder we obtain nothing more than different error rates This is the reason because the BER measurement is provided after LDPC LBER It also shows the LDPC iterations which is the number ot times that the LDPC error corrector goes through the signal BER before FEC CBER BER after LDPC LBEHR Figure 33 Digital reception system via terrestrial DTMB 11 2013 Page 57 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB as DTMB LBER lt 1 0E 8 LDPC 1 FREQ 730 00 C N gt 22 9 dB 2 kHz 58 7 LBER lt 1 0E 8 Figure 34 DTMB signals LBER measurement screen The LBER measurement is provided in scientific notation i e 1 0 E 8 means 1 0 x 10 8 that is to say one incorrect bit of every 100 000 000 as its value is smaller the signal quality will be better Next it is shown the tuning frequency and the frequency deviation in kHz between the tuned frequency and the one which optimizes the LBER

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