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TV Explorer HD DTMB user manual

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1. CCIR 02 03 04 801 sz fe 68 69 STD CHANNEL PLAN CCIR 01 04 S03 sues us PARAMS NEW CHANNEL PLAN CCIR 02 03 04 501 02 of 67 68 69 STD CHANNEL PLAN CCIR 01 02 03 04 sf 68 69 PARAMS CH04 Figure 10 New channel plan generation process 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 D memory modify its name and later use it by means of the CONFIGURATION 17 menu Also can delete any channel list or remove and add channels from another 8 standard list by means of the editing options offered by the o UTILITIES 22 menu DTMB 55 8 OO 10 30 50 70 90 110 130 650 00 C N gt 21 3 CENE 4 POWER 55 8 MER 19 5 dB LBER gt 1 8 2 Figure 11 Channel plans listing fi 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 Page 34 09 2011 Ax PFRROMAJX USER S MANUAL TV EXPLORER HD DTMB The TV EXPLORER HD DTMB allows directly changing the tuned channel pertaining to the active channel plan by means of the horizontal cursors 6 key 0 1 m 3 From this way once selected the channel tuning field 24 and in the e 10 C and MEASUREMENT
2. enne 19 5 2 Adjustment of Volume and Monitor 29 5 3 Selecting the Operation Mode TV Spectrum Analyser Measurements 29 5 4 Channel Tuning Frequency nnn 30 5 5 Automatic Transmission 30 5 6 Selecting the measurement configuration Analogue Digital signal 30 5 7 External Units Power 31 5 8 Automatic signal identification function AUTO ID 32 5 9 Channel dece cieei ipn tt u ha ha onde bak ta retain nean motn ed 33 5 10 Acquisition function DATALOGGER essere nnns 35 5 11 Verification of distribution NETWOFKS cccccccsseseseeeeeeeeneceeeeeeeeanaeeeeeeeeeeanaeeeees 38 5 12 Spectrum exploration function 40 5 13 Measurements configuration 41 5 13 1 DVB C QAM Digital Channel Configuration 41 5 13 2 DTMB Digital Channel 42 5 13 3 DVB S S2 QPSK 8PSK Digital Channel Configuration 43 5 14 Selecting the
3. eene nennen nnne 45 5 14 1 Analogue TV Measuring the Video Carrier Level 46 5 14 2 Analogue TV Measuring the Video Audio ratio 48 5 14 3 Analogue TV Measuring the FM 48 5 14 4 Analogue FM Measuring the Level and demodulating signal 49 5 14 5 Analogue Digital TV Measuring the Carrier Noise ratio C N 50 5 14 6 Digital TV Measuring the Power of Digital Channels 52 5 14 7 Digital TV Measuring BER cecinere nnn nnne hnnc 52 SAAT ITU T 86 8 SUP deme ene 53 514 72 DVB C norint 54 549 DIMB BUM 55 ND IV Bee col e 56 5 14 8 Digital TV Measuring necat cenae eue Seed rene e 59 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 15 Constellation 61 5 15 1 ITU T J 83 B QAM Annex ennenen 61 5 15 1 1 Zoom scroll and erasing 62 5 152 DIME Signal Mem 63 5 15 3 DVB C QAM SION Al rte pas 64 5 15 4 DVB S S2 QPSK 8PSK 64 5
4. 6 and changes to 10 dB div by holding pressed the upper arrow cursor key e Page 66 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 dBuV 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 icon in the TV mode to indicate this situation The user must increase the Reference Level in order to activate an additional attenuator and to avoid the input saturation Speed of sweep can be modified for terrestrial TV signals To that end press D 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 Analys
5. 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 9 4 3 PAL SECAM and NTSC I D and L Variable span dynamic range and reference level by means of arrow cursors 40 dByV for correct synchronism DVB MPEG 2 MP HL MPEG 4 AVC H 264 free or scrambled Common Interface according to available user CAM 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 Transport Stream of 188 or 204 bytes automatic detection 09 2011 Transmission USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 x 0 25 V Frequency 22 kHz 4 kHz Maximum power 5W
6. 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 z Pressing the key 23 you access the function Antenna Alignment 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 lt Press the 24 key switch between tuning by frequency or by channel Turn the rotary selector 9 1 to change frequency or channel To modify the SPAN use the cursor arrow left or right 6 To move the Gain vertical axis press the cursor arrow up or down 6 09 2011 Page 87 ZA PROMAX USER S MANUAL TV EXPLORER HD DTMB Hold the up arrow 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 ch
7. Page 30 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX D Use key 17 to switch between analogue and digital channels Press the D c 17 key to show the measurements CONFIGURATION menu and select the Signal option by turning and pressing the rotary selector 9 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 SUPPLY listing the choice of voltages which will depend on the band being used Turn the rotary selector 9 1 to the desired voltage and press to activate it The following table shows the choice of supply voltages SATELLITE Output Enabled Disabled External 5V 13 V 15 V 13 V 22 kHz 18 V 22 kHz TERRESTRIAL Output Enabled Disabled External 5 V 13V 15V 18V MAT V 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 th
8. VPID and the TS identifier TSID Page 82 09 2011 exPLoReR ome LZR PHOMVPG Next data box contains AUDIO information type of audio coding MPEG 1 MPEG 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 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 CCIR 794 00 MHz VIDEO MPEG 2 4014kb s 25Hz VPID 111 TSID AUDIO MPEG 1 L 1 160kb s APID 112 LANGUAGE en RED 12 9 E 50 FREE VTV 1 NID 12674 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 6 key must be pressed up to select the OSD OFF field so press rotary selector 9 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 v
9. 74 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 Utilities menu 22 and select by means of the rotary selector 9 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 1 5 18 1 Recall screen Accede to the Utilities menu 22 and select one of the following options 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 When trying an option by means of the rotary selector E 1 it appears a menu that contains the names of the stored files Select one using the rotary selector 1 or 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 software application to download the files to the PC Users can also develop a tailored program to read those files using remote
10. 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 charged for best results A fully charged battery suffers temperature related discharge For example at a room temperature of 20 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 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 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 8 means of the Preferences menu 22 to disable the power on process until one specific key from main keyboard is pressed 8 as is it indicated on screen Page 14 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 4 QUICK USER GUIDE STEP 1 Battery charging 1 Connect the DC external charger to the equipment through connector
11. DiSEqC GENERATOR According to DiSEqC 1 2 standard POWER SUPPLY Internal Batteries 7 2 V 12 Ah Li lon battery Autonomy gt 4 5 hours in continuous mode Recharging time 3 hours up to 80 instrument off External Voltage 12 V Consumption 40 W Auto power off Programmable After the selected amount of minutes without operating control Deactivable OPERATING ENVIRONMENTAL CONDITIONS Altitude Temperature range Max relative humidity Up to 2000 m From 5 to 40 C Automatic disconnection by excess of temperature 80 up to 31 C decreasing lineally up to 50 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 F F BNC F adapter F F DIN F adapter F F F F adapter External DC charger Transport suitcase Carrying bag 8 if you select 5V the maximum power shall not exceed 2 25 W 450 mA 7 DISEgC is a trademark of EUTELSAT 09 2011 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 Memo
12. Free and it corresponds approximately to 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 Following 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 t
13. INTERFACE FREE 1 NID 12674 SID Figure 59 09 2011 UsERSMAWUAL TvExPLoRER __ LZR PHOMVPG 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 ASI input by the user Figure 60 You can also access the TS ASI option from the MEASUREMENT mode Press D the key for measurement configuration 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 and turn it to switch from OFF to ON Press the rotary 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 09 2011 Page 81 ZA PROMAX
14. QAM Annex B signal it will be possible to WA measure BER press the ce 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 383 TOV 30 40 40 0 dB 65 0 dBuV 38 3 dB lt 1 0E 8 Figure 29 Screen of BER measurement of QAM Annex B 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 output This is the reason because this screen provides the BER measurement before FEC Forward Error Correction Figure 30 Digital reception system via cable BER before FEC J 83 B QAM DEMOD REED SOLOMON 09 2011 Page 53 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 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 5 14 7 2 DVB C signals Once determined the parameters of QAM signal it will be possible to measure 3 Cz BER pre
15. 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 58 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 decoded 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 C 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 Mard gt 21 3 3 kHz POWER 55 8 dBuV LBER lt 1 0E 8 Fi
16. control commands 09 2011 Page 75 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 18 2 Delete capture Also it is possible to delete the stored screens For it accede to the Utilities menu ruv 22 and after activating this function select one of the following options according to the model and type of capture that has been done constell Deletes a constellation diagram sp Deletes a frequency spectrum other Deletes any other kind of capture When pressing with the rotary selector 9 1 over the option will appear a menu that contains the names of the stored files Select one by means of the rotary selector 1 or press EXIT 5 19 PRINT SCREEN function It is also possible to save 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 e 10 during few seconds A file with the screen content in bit map format bmp will be generated automatically These files can be viewed later on using any program that supports bmp formats To delete one or more of the captured images press vuv 22 and select DELETE PRINT SCREEN You will see a list of captured screens files To delete a file place on it and press the rotary selector 1 To delete all stored files place on ALL option and press the rotary selector 1 A window pops up asking for permission to delete all the screenshots NOTE You cannot use this function in the case
17. number are indicated Finally it shows the type of DVB C broadcast network used MODULATION DVB C 256 QAM E 794 00 MHz 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 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 64 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 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 F 1139 00 MHz DL Ku 11390 0 CH DECAY 16 Figure 46 Constellation Diagram DVB S QPSK signal When selecting a constellation diagram for DVB S2 signals on screen will appear the following information MODULATION DV
18. 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 Page 60 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA 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 co
19. the Controls and Elements Front panel PS a 6 TV EXPLORER HO DTMB m Da DOLBY DB 7 8 5 04 3 02 Figure 3 Front panel 1 Rotary selector button This has many different functions Equipment power on off tuning control 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 09 2011 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 brig
20. 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 DIMB FOES al 16 5 dB 20 5 dBuV 24 7 dB gt 10 cat Figure 55 09 2011 Page 77 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB The USB menu has the following options Copy To Pendrive Get From Pendrive Copy Streams to Pendrive To scroll through the options press the cursor keys UP 6 or DOWN e 6 To select an option press the rotary selector 9 1 Copy To Pendrive 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 Pa
21. 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 D To finalize the capture manually pres the key c 17 and select STOP EXIT Select it to go to the initial display 5 16 2 2 Recall a Spectrogram file 8 Press the key o 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 09 2011 Page 71 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 16 2 3 Delete a Spectrogram file To delete a Spectrogram capture press the key rv 22 and select the option DELETE CAPTURE Then it pops up a new menu where you should select SP 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 re
22. 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 D Press the Measurements Configuration c 17 key to access to the CONFIGURATION menu and turn the rotary selector 9 1 to access to parameters which are modifiable by the user 5 13 1 DVB C QAM Digital Channel Configuration D Press the Measurements Configuration 17 key to access to the CONFIGURATION menu and turn the rotary selector 1 to access the QAM signals parameters which can be defined by user and are described below 1 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 carriers 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 2 Spectral inversion If necessary activate the Spectral inversion On If the spectral inversion is not correctly selected reception will not be correct 3 Symbol Hate When selecting this function and pressing the rotary selector 9 1 is possible to choose the symbol rate 09 201 1 Page 41 ZA PROMAX USER S MANUAL TV EXPLORER HD DTMB 4 Modulation It defi
23. well in channel as in frequency tuning mode 24 When monitoring a digital signal spectrum also appears two additional markers in white colour 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 level 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 figure 46 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 851 751 end s T span Figure 49 Spectrogram Page 68 09 2011 manual Dome M To access the spectrogram fir
24. 16 Spectrum Analyser Lava a Ead eek eau a a xad ski epa XR xad d 66 ww Uc EN T p 68 556 2 SPECO r o een eee ne ee ERN EUN 68 5 16 2 1 Spectrogram Configuration eeeeeesesseseseeeeeeeeeeee ee 70 5 16 2 2 Recall a Spectrogram 71 5 16 23 Delete a Spectrogram file 72 5 17 ECHOES and PRE ECHOES Analyser 72 98 19 Seeon CADIS i iut 75 ROG PR T IL m m TT 75 518 2 Delle 2 cpm 76 5 19 PRINT SCREEN de 76 5 20 VIEWPRINT SCREEN ida nbn e carbasa 76 5 21 USB On the Go Function 71 5 21 1 Connection of TV EXPLORER HD DTMB host to a USB flash drive slave 77 5 21 1 1 Connecting a computer host to the TV EXPLORER HD DTMB slave 79 5 22 Setting the TS ASI 80 b 29 MV Operating 82 5 23 1 Recording and playing video 86 5 24 Antenna Alignment Function 87 5 25 DiSEqC Command n
25. 2 Right channel audio input 3 Left channel audio output 4 Audio grounding 5 Blue grounding B 6 7 8 9 Left channel audio input Blue output B Switching voltage 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 D 1 Select the Measurement Configuration menu by pressing the c 17 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 94 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 6 6 Connector 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 CI with the corresponding subscriber card The TV EXPLORER HD DTMB by mea
26. 32 located on the lateral panel 2 Connect the DC charger to the mains When the equipment is connected to the mains the CHARGER led 4 remains lighted CHARGER XR gt Figure 1 Battery charging STEP 2 Power on and signal connection 1 Hold the rotary selector t 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 09 2011 Page 15 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB STEP 3 To carry out a complete channel band exploration 5 OMS 1 Select the frequency band to explore e 14 terrestrial or satellite 2 Activate the exploration process by holding 25 key pressed 1 3 Press 10 key to visualise the channels detected and 6 to change between channels from detected channels list STEP 4 To carry out the tuned channel identification 5 MS 1 Select the frequency band to explore e 14 terrestrial or satellite 2 Activate the identification process pressing once on 25 key 1 m 3 Press 10 key to visualise the signal detected from channel or frequency identified or c 13 to monitor the corresponding spectrum 4 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 8 through a 22 PREFERENCES menu STEP 5 Makin
27. 6 pi Repeatedly pressing the mm 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 is proportional to the parameter level to modify this value simply turn the rotary selector 1 To exit the menu and validate the new value press the rotary selector 1 5 3 Selecting the Operation Mode TV Spectrum Analyser Measurements The TV EXPLORER HD DTMB has three basic operation modes TV Spectrum Analyser and Measurements To switch from TV operation mode to the Spectrum Analyser press 13 key To switch to the Measurements mode press cer 12 key In the TV operation mode the demodulated television 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 09 2011 Page 29 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 4 Channel Tuning Frequency Tuning 0 uy Pressing 24 key the EXPLORER switches from frequency tuning to channel tuning and back again In channel tuning mode turning the r
28. B Allows to delete a screen capture file It allows deleting a selected print screen Exit from Utilities It activates the Preferences menu long pulsation Language Beep Skin Light Sensor Power measure Min Ter Power Min Ter Level Min Sat Power C N Identify Timeout Sat Band Page 24 Selects the language between DEUTSCH ENGLISH ESPANOL FRANGAIS ITALIANO CATALA and PORTUGUES 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 Sets the minimum power for a terrestrial digital signal to be identified Sets the minimum level for a terrestrial analogue signal to be identified 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 Sets the maximum time that the equipmen
29. B S2 8PSK F 1139 00 MHz DL Ku 11390 0 NEM DECAY 16 Figure 47 Constellation Diagram DVB S2 8PSK signal 09 201 1 Page 65 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 quickly and easily and to make measurements at the same time To select it press 13 key The monitor will show a picture like the one described in the next figure 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 dBuV in previous figure named Reference Level can be altered using the vertical cursors gt 6 key over a range from 60 dBuV to 130 dBuV by steps from 70 dByV to 130 dByV in satellite band The vertical measurement range changes to 5 dB div by holding pressed the lower arrow cursor key
30. DTMB In order to select the different fields on the screen press the cursors Y 6 key and then edit 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 for example for a new test point or view measured data by turning the rotary selector 1 or store the information in memory SAVE or exit from this acquisition EXIT 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 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 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 Page 36 09 2011 USER S MANUAL TV EXPLORER HD DTMB TEST POINT CHANNEL SET FREQ Cr START AX PROMAX DATALOGGER PINEMALLCTR PREMISE1 ATTENUATION TEST REF LEVEE dBuV Figure 14 Datalogger screen f
31. Digital Video Broadcasting Project 09 2011 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 compression 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 Th
32. ER 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 BEH If it is not possible to detect any MPEG 2 channel make sure that digital signal parameters are correctly defined 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 Level measurement of the currently tuned carrier Video Audio Video carrier to audio carrier ratio C N Ratio between the modulated signal power and the equivalent noise power for a same bandwidth according to TV standard FM Deviation 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 Channel power is measured assuming that power spectral density is uniform throughout channel bandwidth To measure it correctly it is indispensable to define the Channel BW C N Out channel measurement Noise level is measured at fhojise tuning Channel BW To measure it correctly digital channel must be tuned at its central frequency 09 201 1 Page 45 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB MER Modulation error ratio with noise margin indication CBER only
33. ETER General i i i i Sa didt DISABLE ENABLE LIMITS 0000000 0 00 00 LIMITEAST LIMIT o0 0000000 ee DEBER S EE e Table 5 Available DiSEqC commands When selecting the COMMANDS option in the Spectrum Analyser mode 4 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 DiSEqC Press the DiSEqC key 21 on frontal panel in order to quit the commands execution mode and to locate the mark cursor on the frequency or channel 09 2011 Page 89 ZA PROMAX 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 user using a slot can tune and decode any signal present in the satellite 7 DiSE C In order to select the SATRC function press the DiSEqC key 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 Freque
34. IGURATION 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 D pressing the 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 09 2011 Page 51 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 14 6 Digital TV Measuring the Power of Digital Channels The TV EXPLORER HD DTMB measures digital channel power in the measurement filter bandwidth and estimates total channel power assuming that spectral density is uniform throughout channel bandwidth On selecting the CHANNEL POWER measurement mode the screen displays the following information DIMB 77 4 dBuV EE EE SSS 10 30 50 70 90 110 130 818 00 Mard C N gt 33 6 15 kHz Bj POWER 77 4 dB CH MER 26 9 dB LBER 52 72 Figure 28 Digital channel power measurement In addition t
35. L TV EXPLORER HD DTMB ZA PROMAJX zd DVB S CBER lt 1 4E 2 5 FREQ 818 00 15 1 15 kHz 72 2 dBuV DL Ku 12382 0 6 9 1 4 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 measurement is provided before FEC after Viterbi VBER BER before FEC BER after Viterbi VITERBI REED SOLOMON Figure 36 Digital reception system via satellite DVB S DVB S VBER l lE 6 QEF 3 FREQ 1782 00 MHz 15 1 dB 2477 kHz 72 4 dBuV DL Ku 12382 0 MHz 7 1 dB 1 1E 6 Figure 37 DVB S QPSK signals VBER measurement screen 09 2011 Page 57 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 ch
36. MPEG 2 y MPEG 4 H 264 ANALOGUE SIGNALS MEASUREMENT LEVEL MEASUREMENT Measurement range Terrestrial TV amp FM bands Satellite TV band Reading Digital Analogue Measurement bandwidth Audible indicator Page 6 10 dByV to 130 dBuV 3 16 uV to 3 16 V 30 dBuV to 130 dBuV 31 6 uV to 3 16 V Auto range reading is displayed on an OSD window Absolute value calibrated in dBuV dBmV or dBm Relative value through an analogue bar on the screen 230 kHz Terrestrial band m 4 MHz Satellite band According to span maximum band ripple 1 dB LV audio A tone with pitch proportional to signal strength 09 2011 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 Satellite Span Terrestrial Satellite Markers Vertical range Measurements Terrestrial bands Analogue channels Digital channels 3 Using PkTools software application with a PC AX PFRROMAJX 1 5 dB 30 120 dBuV 5 45 MHz 22 C 5 1 5 dB 30 120 dBuV 45 1000 MHz 22 C 5 2 5 dB 40 100 dBuV 950 2050 MHz 22 C 5 lt gt L
37. ROMAX 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 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 A 1 Digital Video Broadcasting Trademark of the DVB
38. S 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 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 g To select the Datalogger function activate the UTILITIES 22 menu and select the RUN DATALOGGER option Later by turning the rotary selector 1 select a previously stored acquisition or a NEW DATALOGGER a 0 101 TEST POINT CHANNEL SET DATALOGGER DATALOGGER 00 POINT O1 CCIR FREQ C N gt 10 2 dB POWER 50 9 CH MER lt 0 0 gt 1 0E 2 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 09 2011 Page 35 ZA PROMAX USER S MANUAL TV EXPLORER HD
39. S 5 6 gt 26 4 69 3 dBuV M xci 22 5 dB lt 1 0E 7 FREQ 8 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 09 2011 Page 73 ZA PROMAX 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 pressing the rotary knob 1 Possible zoom are 1x 2X 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 F 650 00 C delay us 60 dist Km 18 dBc 10 MPEG 2 TS DTMB 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 it appears a warning message ECHOES WARNING F 650 00 C e NL Pc E ho O RS dist Km 0 2 T719 dBc 5 4 5 3 MPEG 2 TS DVB T Figure 54 ECHOES WARNING Screen Page
40. SCARDED TESTING DTMB POWER 51 6 gt 32 0 dBuV 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 If 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 working in the satellite band the orbital position appears as well Page 32 09 2011 users manual Tv expLoReR ome LZ PHOMVPG 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 th
41. TV EXPLORER HD DTMB UNIVERSAL TV EXPLORER 0 MI1903 ZA PROMAX SAFETY NOTES Read the user s manual before using the equipment mainly SAFETY RULES paragraph The symbol N 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 USERS MANUAL TvExpLoRER ___ LZR PHIOMAXG TABLE OF CONTENTS WEEC HUIIO e w 7 1 ig S 1 22 seem m T MT 4 NV d hdosB we PT Corr 11 2 1 General safety 11 2 2 Descriptive Examples of Over Voltage 12 3 INSTALLATION H A 13 LU ideis 13 3 1 1 Operation using the External DC 13 3 1 2 Operation using the Battery nnne 13 3 1 2 1 Battery Charging 14 3 2 Installation and Start up iius cereo ridere treten ra rennen kao repetentes 14 4 QUICK USER uus kan 15 5 OPERATING INSTRUCTIONS tria Fedex itunes a saura en pP YER Ee Dau pd Exerc uade 19 5 1 Description of the Controls and
42. USER S MANUAL TV EXPLORER HD DTMB 5 23 TV Operating Mode 1 2 5 When pressing the e 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 and the TV standard Lr dien 3 NOR DE Ba gl T KE Lamia tii iio onc UMEN 0 2 emi ea uiu umm e udi iu np CHANNEL M SOHz CCIR PAL FR 815 25 MHz Figure 61 Analogue channel monitoring NOTE The symbol X in the upper corner of the screen indicates that the instrument has detected a saturation condition for analogue signals in the currently channel on tune This symbol also appears when the colour subcarrier signal Burst does not contain information and therefore the images are shown in black and white 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 name frequency active channel plan and satellite downlink frequency The following data box shows the VIDEO data type of video coding MPEG 2 or MPEG 4 video bit rate profile and level with its resolution and aspect ratio video program identifier
43. 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 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 Symbol Hate 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 09 201 1 Page 43 ZR PROMAX USER S MANUAL TV EXPLORER HD DTMB 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 a0 DVB S SIGNAL DVB S 8 7 ajas Al VBER zu 0 5 5 au FREQ 8 1 3 dB 61 2 DL Ku 1143 lt 3 0 ch gt 1 0E 1 gt 1 0E 3 F
44. 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 gt 25 key until the EXPLORER screen appears 0 EXPLORER TESTING CHANNEL SET NM E 25 50 745 DIGITAL DVB S V D ANALOG H I Ba ANALOG V D Ba DIGITAL DVB S H I Ba DIGITAL DVB S2 V D Ba ANALOG H I Ba CANCEL SKIP Figure 18 Spectrum exploration screen EXPLORER When the instrument completes the exploration a new channel plan is generated based on the active channel plan This new 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 Page 40 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX NOTE 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 8 by means of a 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
45. ange 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 DiSEqC key ans 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 58 COMMANDS BEVEL 4 dBuV sump FREQ 1140 98 MHz LEVEL 74 4 DBuV Di Ku 1140 98 MHz C N 6 3 dB 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 band are also sent This allows assuring that the installation status is the one indicated by the equipment 8 DiSEqC is a trademark of EUTELSAT Page 88 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX The COMMANDS option from DiSEqC menu allows to execute any of the following commands CHARACTER COMMAND ASSOCIATED PARAM
46. anges 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 DVB S2 LBER 2 7E 7 PER O ELAPSED TIME 00 00 05 FREQ 2121597 Mard C N 16 1 dB 1657 kHz POWER 69 8 dBuV DL Ku 12722 0 Mard MER 12 6 dB LBER Figure 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
47. arrier 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 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 C N gt 41 0 dB V A 49 6 dB FM DEV 28 kHz Figure 26 Carrier to noise ratio measurement C N Page 50 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX As well as the video carrier noise level ratio C N 41 0 dB in previous figure the frequency or channel depending on 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 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 AUTO 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 ex 13 In order to modify this frequency press the measurement configuration D c 17 key to accede to the CONF
48. ataloggers and channel plans am Figure 69 USB On the go connector in rear panel External view 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 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 lt Figure 70 HDMI Connector at the rear panel External view 09 2011 Page 93 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 6 5 Scart DIN EN 50049 20 18 16 14 12 10 8 6 4 2 Ae de d a a ll a a d 2119171513119 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
49. ation cables Follow the cleaning instructions described in the Maintenance paragraph 09 2011 Page 11 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Symbols related with safety DIRECT CURRENT ON Supply ALTERNATING CURRENT OFF Supply DOUBLE INSULATION DIRECT AND ALTERNATING Class Il protection CAUTION GROUND TERMINAL Risk of electric shock PROTECTIVE CONDUCTOR CAUTION REFER TO MANUAL FRAME TERMINAL FUSE EQUIPMENT OR COMPONENT EQUIPOTENTIALITY TO BE RECYCLED 2 2 Descriptive Examples of Over Voltage Categories Cat I Low voltage installations isolated from the mains Cat Il Portable domestic installations Cat Ill Fixed domestic installations Cat IV Industrial installations Page 12 09 2011 UseRSMaWUAL TvExPLoRER ome LZR PHOMVPG 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 on the TV EXPLORER HD DTMB side panel Connect the DC charger to the mains Then press the rotary selector 9 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
50. 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 300s 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 70 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX Acquisition mode Select the different modes to capture a file CIRCULAR If this option is selected other 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 1800s 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
51. ce 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 D Configuration 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 84 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX ANALOGUE MODE ORIGINAL SELECTED TV EXPLORER HD VIDEO FORMAT DME SCREEN SCART CONNECTOR PILLAR BOX 4 3 original rd d hs A FULL SCREEN 4 3 original z N N PILLAR BOX 16 9 original nc FULL SCREEN 16 9 original DIGITAL MODE ORIGINAL SELECTED TV EXPLORER HD VIDEO FORMAT SIRES GREEN SCART CONNECTOR PILLAR BOX Scaling 4 3 in 16 9 TFT N FULL SCREEN 4 3 Original 16 9 S FON PILLAR BOX yox Do not select FULL SCRE 16 9 Original Table 4 Selecting the screen and SCART video format 09 2011 Page 85 Ax PFRROMAXX 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 t
52. d 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 selectable DTMB DVB C DVB S and DVB S2 selection DiSEqC is a trademark of EUTELSAT Page 4 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX Signal identification RF INPUT Impedance Connector Maximum signal Maximum input voltage DC to 100 Hz 5 MHz to 2150 MHz Analogue and digital Automatic 75 Q Universal with BNC or F adapter 130 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 Symbol rate Roll off factor of Nyquist filter Spectral inversion 09 2011 45 dBuV to 100 dByV 45 dBuV to 110 dByV 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
53. e 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 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 22 PREFERENCES menu 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 process 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 D configuration measurement menu CONFIGURATION 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 Ox See the following Figure 09 2011 Page 33 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB
54. e 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 standards M N B G 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 Includes a symbol based keyboard that allows the direct access to the various functions that are displayed simultaneously on screen Page 2 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 tel
55. e voltage at the output but it works like it was 09 2011 Page 31 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 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 ID The 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 E 25 key Specially 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 AUTO ID 482 00 MHz DL 482 0 MHz CHANNEL 22 TESTING FOR ANALOG ANALOG DI
56. elete Channels Insert Channels Save as Recall Constell Recall Spectrogram Recall Spectrum 09 2011 Displays information about the instrument Company s Name Instruments Name Product Number Control Software Version User that shows free disk space compact flash to store data Datalogger and channel plans Video that shows free disk space to save Transport Streams Date and time Sets the constellation diagram graph for the digital signal on tune Only terrestrial band Selects the function for testing signal distribution networks in terrestrial band Only satellite band Selects the function for testing signal distribution networks in satellite band Graphical representation of the channel response and list of echoes detected in the signal response It saves or plays a video stream Function to automatically acquire measurements Displays the available acquisition list Deletes an acquisition previously recorded 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 Saves with a file name the capture screen in order to be later processed Recall a constellation diagram stored in memory Recall a Spectrogram graph stored in memory Recall a signal spectrum previously stored Page 23 Ax PROMAX Delete Capture Delete Print Screen Exit USER S MANUAL TV EXPLORER HD DTM
57. ennen nns 88 Sap SATOR 90 5 27 Using the alphanumeric n 90 6 DESCRIPTION OF THE INPUTS AND 93 S n 93 6 2 TS ASI Input P i i crepat cred rna oat t En aate 93 om MM cios rr P 93 6 4 HDMI Conector High Definition Multimedia Interface 93 6 5 Scart DIN EN 50049 nnne nnn nennen nnns nnne nnne nnns 94 6 6 Connector for CAM modules and SMART CARD 95 zie 97 7 1 Considerations about the Screen sse 97 7 2 Cleaning Recommendations eeeeeee eter eee eeeeeeaeaeaaaaaaeaeeeeeeeeeeeseaaaaas 97 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX UNIVERSAL TV EXPLORER TV EXPLORER HD DTMB Digital Video Broadcasting 1 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 P
58. er 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 moir 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 09 2011 Page 67 ZA PROMAX USER S MANUAL TV EXPLORER HD DTMB 5 16 1 Markers Only in Spectrum Analyser mode The marker in red colour indicates the central frequency or tuning frequency which can be moved by means of turning the rotary selector 1 as
59. ertical 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 09 2011 Page 83 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB For it place the field selector by means of the vertical cursors 6 key on the field of the active service e g VTV 7 in the following figure and later press the rotary selector 1 The DIGITAL SERVICES menu will appear then with the services available in the digital 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 4014kb s gt WI 4 i sim Ex ger MPEG 1 L 1 160kb s APID 112 LANGUAGE en RED OSD OFF FREE 12674 SID 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 servi
60. evel 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 Measurements automatic acquisition and storage Level C N and V A ratios 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 with Frequency and level or C N indications Adjustable in 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 09 2011 Page 7 Ax PROMAX 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
61. evision 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 tables 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
62. for DVB C and ITU T J 83 B BER measurement Bit error rate for the digital signal before error correction BER before FEC LBER only for DTMB BER measurement Bit error rate for the digital signal after error correction BER after LDPC Satellite band Analogue channels Level Level measurement of the currently tuned carrier C N Ratio between the modulated signal power and the equivalent noise power for a same bandwidth Satellite band Digital channels DVB S S2 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 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 cer 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
63. g measurements 0 1 Select the channel or frequency 24 to measure by means of the rotary selector 1 3 wa 2 Press cer 12 key to select the type of measurement until on screen appears the corresponding measurement Page 16 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX STEP 6 Frequency spectrum monitoring 5 1 Select the frequency band es to graph 14 terrestrial or satellite am 2 Press Mw 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 SS 1 Select the terrestrial frequency band n4 0 2 Tune the channel or frequency 24 that is desired to visualize on screen 3 3 Verify that the equipment receives an appropriate signal level 12 1 5 Mu 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 1 to obtain the available list of services 09 2011 Page 17 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Page 18 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA 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
64. ge 78 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 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 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 up 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 mm DTMB POWER 77 4 dBuV _ 1 70 2l J 3 10 30 60 90 110 130 FREQ 1782 00 Mista 15 1 dB 2477 kHz B POWER 77 4 dBuV cH MER 7 1 LBER 1 8E 2 Figure 57 Then you have to install the software NetUpdate3 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
65. gital signal transmission MODULATION DTMB E 650 00 MHz CH 43 DECAY 4 2 CLEAR 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 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 09 2011 Page 63 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 15 3 DVB C QAM signal Sets on the UTILITIES menu by pressing the a 22 key and select the CONSTELLATION option On screen appears the modulation type DVB C 256 QAM Also the frequency and channel
66. gure 40 DTMB COFDM signals MER measurement screen First of all you will see the modulation error ratio measurement MER 09 2011 Page 59 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 9 2 dB gt EE 10 20 30 40 FREQ 1527 97 MHz 12 4 dB 637 kHz 56 8 dBuV 11278 0 9 2 dB 1 5E 2 lt 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 generally 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
67. hat the LDPC error corrector goes through the signal BER before FEC CBER after LDPC LBER DTMB Figure 33 Digital reception system via terrestrial DVB T2 09 2011 Page 55 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB DIMB LBER lt 1 0E 8 LDPC 1 FREQ 730 00 Mard Me 222 9 dB 2 kHz POWER 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 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 BER measurement before the error corrections BER before the FEC CBER Page 56 09 2011 USER S MANUA
68. he 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 D Configuration c 17 menu 16 9 format must be selected from the Measurements 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 sequence In order to record the channel on tune press the UTILITIES ruv 22 key to record or to reproduce a video o 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 OSD OFF FREE RECORDING SIZE 00 00 03 0 1MB 0 2Mb s VIDEO MPEG 2 4014kb s 25Hz VPID AUDIO MPEG 1 L 1 APID NETW 12 9 E NID 12674 SID 111 TSID 160kb s 112 LANGUAGE en 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 the recording press 8 8 the UTILITIES Page 86 ruv 22 and select the option Stop recording 09 2011 USERSMAWUAL TvExPLoRER ome LASS PROMA In order to play the previously recorded sequence press the UTILITIES d 22 and select the PVR Playback option using the rotary selector 1 In the image it will
69. htness 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 select functions and entering alphanumeric data Page 20 09 2011 10 11 12 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 9 TU DiSEqC VO mO DB mO gt YHE 930 gt Figure 4 Main keyboard G 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 Key number 1 to enter numeric data asc 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 c cer 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 09 2011 Page 21 13 14 15 16 17 18 19 20 21 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB SPECTRUM TV Allows switching between a
70. igure 21 Mesurement configuration screen QPSK signals 5 Modulations Only in DVB S2 Modulation used by carriers It defines also the system noise immunity QPSK and 8PSK 6 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 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 the channel tuning mode the Polarization and Sat Band options cannot be modified 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 Page 44 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX IMPORTANT REMARK DVB channels tuning may require an adjusting process It is recommended to follow next procedure 4 From the spectrum analyser mode 13 tune the channel at its central frequency Switch to Measurements mode gt gt 12 measurement selection If in the lower line of the screen does not appear MPEG 2 message and consequently B
71. ill 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 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 40 168 25 78 2 40 1 dB S10 16 2 dB 28 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 visualising frequency peak deviation for FM carrier signals Once this DESV FM measurement mode is activated will appear the following information on screen Page 48 09 2011 USER S MANUAL TV EXPLORER HD DTMB ZA PROMAJX TERRESTRIAL 28 dB sg 50 743 100 168 25 LEVEL 42 3 C N 0 7 S10 V A 1 6 dB FM DEV 41 kHz Figure 24 FM carrier peak deviation 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 transmitte
72. 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 automatically 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 09 2011 Page 3 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB To enhance its convenience of use it includes memories to store a
73. l level are displayed 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 09 2011 Page 69 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 D 17 and an option menu will be displayed Temporal reference Save Begin The captured information will be showed on the display with initial reference O s 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 updated according to the new temporal reference This option is very useful to visualize the captured information For example if the elapsed time is 500s and we want to show the 200s 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 O 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
74. 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 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 PROMAX DVB S SIGNAL PARAMETERS Symbol rate Roll off a factor of Nyquist filter Code Rate Spectral inversion DVB S2 SIGNAL PARAMETERS Symbol rate QPSK Symbol rate 8PSK Roll off 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 8 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 3 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 MPEG 2 MP HL Main Profile High Level MPEG 4 AVC H 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
75. ncy sep pilot signal activation and finally the frequencies corresponding to each slot SATELLITE LEVEL Jaizale elas 4 4 dBuvV aa 10 30 110 130 FREQ 1140 FL 74 4 DBuV DL Ku 1146 pie 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 alphanumeric keyboard must be used Many keys incorporate a number and several letters like the telephone keypad SatCR is a trademark of STMicroelectronics Page 90 09 2011 UsERSMAWUAL TvExPLoRER ome 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 D the 9 When pressing the decimal point 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 AD the cursor behind the digit that is desired to erase and later keep 17 key pressed un
76. nes the modulation type When selecting this function and turn the rotary selector 1 to choose one of the following modulations 16 32 64 128 and 256 NN SIGNAL POWEF 10 30 Figure 19 Screen of mesurement configuration QAM signals 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 or Single Page 42 09 2011 USER S MANUAL TV EXPLORER HD DTMB ZA PROMAX au DTMB POWER SIGNAL DTMB 3 dBuV SSS 110 130 gt 26 4 dB 69 3 22 5 dB 1 8E 2 Figure 20 Screen of mesurement configuration DTMB signals 5 13 3 DVB S S2 QPSK 8PSK Digital Channel Configuration D Press the Measurements Configuration 17 key to access to the CONFIGURATION menu and turn the rotary selector 9 1 to access the QPSK 8PSK signals parameters which can be defined by user and are described below 1 2 3 4 Channel BW channel bandwidth Enables the channel bandwidth to be selected over
77. ns 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 D configuration menu by pressing the 17 key and select the COMMON INTERFACE option By means of this option the user can navigate through the CAM module menu Whenever an option is selected the waiting 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
78. nstellation 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 8 Go to the UTILITIES menu by pressing the o 22 key and then select the CONSTELLATION option For example the modulation type ITU T J 83 B 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 CH 24 CARRIER DRE DISPLACEMENT PUSH ENCODER DECAY 16 ZOOM x1 CLEAR Figure 42 Constellation Diagram MPEG 2 TS ITU T J 83 B 09 2011 Page 61 ZA PROMAX 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 v 6 key CLEAR o
79. ny previous operating mode and the Spectrum Analyser mode and vice versa Key number 4 to enter numeric data e SATELLITE TERRESTRIAL BAND Allows switching between the Satellite or Terrestrial TV frequency band Key number 5 to enter numeric data S 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 d a A 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 6 EE IMAGE ADJUST Activation of VOLUME CONTRAST BRIGHT SATURATION and HUE only for NTSC colour system control menus Key number 6 to enter numeric data DiSEqC pars DISEQC Only in satellite band It allows adjusting configuration parameters in satellite band Key number 7 to enter numeric data Page 22 09 2011 USER S MANUAL TV EXPLORER HD DTMB 22 Ax PFRROMAJXX tuv UTILITIES PREFERENCES It activates the Utilities menu short pulsation Equipment Info Constellation Attenuation Test Sat IF Test DTMB Echoes PVR Run Datalogger View Datalogger Erase Dataloggers Delete Channel Set D
80. o 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 D Measurements Configuration menu that appears when pressing c 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 To select the BER measurement mode D 1 Select digital signals Measurements Configuration pressing 17 key Page 52 09 2011 users expLoReR __ LZR PHOMVOG 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 5 14 7 1 ITU T J 83 B signals Once determined the parameters of
81. of OSD messages 5 20 VIEWPRINT SCREEN With this function the user can see the screen that has been captured by using the PRINT SCREEN function previous section Page 76 09 2011 UseRSMaWUAL TvExPLoRER ome LZR PHOMVPG 8 x To access this function press o 22 and select VIEW PRINT SCREEN Then there is a list of files names of screens and videos 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 the 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 caled 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 TV 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
82. 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 09 2011 Page 97
83. or 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 m EN VIEWING TEST POINT CHANNEL SET DATAL 03 FREQ 826 00 MHz dn be CH 65 DATALOGGER DATE 08 07 2010 18 30 POINT_O1 CCIR_O1 lt 37 3 lt 0 0 gt 1 0 1 gt 1 0 1 C N POWER MER CBER VBER EXIT Figure 15 End of data acquisition In order to select the function Attenuation test or IF SAT test might be necessary to switch the frequency band between Terrestrial or 5 ES Satellite by means of the front panel VD key 14 09 2011 Page 37 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 5 11 Verification of distribution networks SAT IF Test Attenuation Test This application allows to verify easily the TCI features Telecommunications Common Infrastructures before the antennas and head end devices are operative The procedure allows 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 ca
84. otary selector 9 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 1 Turning the rotary selector 1 Turning the rotary selector 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 2 Using the keyboard Press the rotary selector 9 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 EXPLORER 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
85. position 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 1 Press the key ey 14 Satellite Terrestrial Band to select the TV terrestrial frequency band D 2 Press the key 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 Automatic Identification for an automatic identification of the signal Figure 47 Page 72 09 2011 Ax PFRROMAJXX USER S MANUAL TV EXPLORER HD DTMB o 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 dBuV 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 pulsation the key 22 Utilities to access the menu Utilities 6 Select the option ECHOES Figure 59 al DTMB LBER 1 0 7 DTMB ECHOE
86. 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 The user can also define the pilot frequencies D Press the key 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 9 1 select that function and change it to MANUAL You will see 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 outlets using the TV EXPLORER HD DTMB On the screen will appear the attenuation values for the three pilot frequencies measured in the outlet plate see the following figure 09 2011 Page 39 ZA PROMAX USER S MANUAL TV EXPLORER HD DTMB 1042 25 1703 25 MHz 84 7 90 2 dBuV 80 7 84 2 dBuV 4 0 6 0 CALIBRATE Figure 17 Attenuation measurements in an outlet plate In order to finish measuring press the rotary selector 9 1
87. ption 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 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 MODULATION ITU T 2 83 256QAM E 533 00 MHz CH 24 CARRIER INAH DISPLACEMENT PUSH ENCODER DECAY 16 ZOOM x4 CLEAR Figure 43 Zoom x2 constellation diagram Page 62 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 5 15 2 DTMB signal Activate the UTILITIES menu by pressing the 22 key and select the CONSTELLATION option Now on screen will be recorded the hits due to symbols received during the di
88. r in the transmitting system 5 14 4 Analogue FM Measuring the Level and demodulating signal D 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 FM 56 6 dByV 10 30 50 70 90 110 130 103 80 MHz LEVEL 56 6 DBV S10 Figure 25 FM analogue signal measurement The instrument also demodulates the FM carrier radio and allows to listen sound through the loudspeaker 33 09 201 1 Page 49 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 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 B C D Terrestrial band analogue carrier Carrier level is measured using a quasi peak detector 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 Terrestrial band digital carrier Both measurements are done with an average detector 230 kHz and the same corrections are introduced on them bandwidth corrections Satellite band analogue carrier C
89. ry 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 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 2 SAFETY RULES N 2 1 General safety rules ui The safety could not be assured if the instructions for use are not closely followed e Use this equipment connected only to systems with their negative of measurement connected to ground potential The 103 external DC charger is a Class I equipment for safety reasons plug it to a supply line with the corresponding ground terminal ii This equipment can be used in Overvoltage Category installations and Pollution Degree 2 environments External DC charger can be used in Overvoltage Category ll 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 ui Do not obstruct the ventilation system of the instrument Use for the signal inputs outputs specially when working with high levels appropriate low radi
90. s 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 09 2011 Page 25 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB 25 AUTO ID EXPLORER 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 Activates the band exploration function long pulsation The meter explores the entire frequency band to identify the analogue and digital channels present 80 Figure 5 Top panel view Page 26 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 30 RF gt RF signal input Maximum level 130 dBuV Universal connector for F F or F BNC adapter with input impedance of 75 Q ATTENTION N Use the 10 dB attenuator AT 010 to protect the RF gt 30 input whenever the input
91. signal level is greater than 130 dBuV 1 V or when suspecting about intermodulation problems This accessory allows DC voltages to pass when powering external units as LNB and amplifiers Figure 6 Connecting external attenuator on RF input 30 ATTENTION N 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 09 2011 Page 27 31 32 33 34 35 36 ZA PROMAX USER S MANUAL TV EXPLORER HD DTMB Figure 7 Lateral panel elements RESET button Enables the user to restart the instrument if there is any irregularity when operating External 12 V power supply input Loudspeaker Fan SCART connector Transport belt hook Figure 8 Rear panel view Page 28 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX 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
92. signal present in the input Page 46 09 2011 USER S MANUAL TV EXPLORER HD DTMB 2XPROMAX Wa uu In order to change the measurement mode press se 12 key it will appear a screen like the following one TERRESTRIAL 59 2 ET 10 30 50 70 90 110 130 839 25 LEVEL 59 2 dB C N 18 0 dBuV V A 5 0 FM DEV 56 kHz Figure 22 Analogue signal level measurement in terrestrial band Turn the rotary selector 9 1 to change the tuning channel frequency Press the Wa cer 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 When at the RF 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 LL 10 log Ly equivalent total level L average level of the carriers group N number of carriers 09 201 1 Page 47 ZR PROMAX USER S MANUAL TV EXPLORER HD DTMB So if there are ten carriers with a level around 90 dBuV their equivalent level w
93. ss 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 Mard gt 32 8 dB kHz POWER 76 6 0 0 dB BER gt 1 0E 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 before FEC Forward Error Correction BER before FEC REED SOLOMON Figure 32 Digital reception system via cable Page 54 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX The BER measurement is provided in scientific notation i e 1 0 E 5 means 1 0x10 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 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
94. st press the button 13 to access the spectrum analyser Then you should set the parameters reference span and frequency Then PEN press 22 and select SPECTROGRAM using the cursors or the variable knob The figure below shows the initial screen Zl end s T span 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 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 Spamz100 MHz the Spectrogram will show as initial frequency 601MHz and end frequency 701MHz Next to the final frequency the cursor frequency and its signa
95. status BATTERY CHARGE STATUS lt 50 __ _ _ _ _ gt 50 GREEN 100 100 Table 1 Indication of the battery charge status CHARGER 3 1 2 Operation using the Battery For the device to operate on the battery disconnect the power cable and press the rotary selector 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 12 These are the indicators on screen 09 2011 Page 13 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB BATTERY CHARGE LEVEL INDICATORS COLOUR SYMBOL CHARGE LEVEL GREEN 75 100 10 30 Pity any PA Table 2 Indication of the battery charge level 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 they are very low the recharging period is about 5 hours The
96. t will carry out the identification of a channel unknown before going to the next one Only satellite band Selects the C band or Ku band for tuning satellite signals 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX Auto Power Off Activates the automatic power off mode Time Power Off Select the power off timeout from 1 to 120 minutes Terrestrial Units Select the measurements units for terrestrial and cable dBuV dBmV or dBm Satellite Units Select the measurements units for satellite dBuV dBmV or dBm Rotary Selector Select the movement sense CW clockwise or CCW counter clockwise Ref level It selects the most suitable range when accessing to the spectrum analyser mode MANUAL defined by the user or AUTO calculated by the instrument Transport Mode It activates or it deactivates the automatic power off function for transportation So it allows to prevent an accidental start up of the equipment Factory Reset 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 Exit from preferences menu Key number 8 to enter numeric data 9 A 23 wxyz 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 24 TUNING BY CHANNEL OR FREQUENCY Switche
97. the module so the printed arrow appears on visible upper face pressing until the extractor mechanism button 39 becomes activated 09 2011 Page 95 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB SUBSCRIBER SMART CARD 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 96 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 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 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
98. til the digit disappears Repeat the operation by each additional digit you wish to eliminate D Once deleted the first digit when keeping pressed the 17 the rest of characters from field 2 Entering alphanumeric data e g 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 09 2011 Page 91 AXPROMAX USER S MANUAL TV EXPLORER HD DTMB Page 92 09 2011 USER S MANUAL TV EXPLORER HD DTMB AA PROMAX 6 DESCRIPTION OF THE INPUTS AND OUTPUTS 6 1 RF input RF The RF input is through the RF is 30 connector on the side panel The peak signal level should never exceed 130 dBuV 6 2 TS ASIInput Output The TS ASI input output signals works through the connectors 42 input 43 output at the rear panel 6 3 X USB port The TV EXPLORER HD DTMB incorporates an USB On the go port which enables the communication with a PC and to download d
99. use 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 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 function see section 5 7 External Units Power Supply press the aia 11 key and the rotary selector 1 to set a voltage of 13 V Finally select the SAT IF TEST application on UTILITIES 22 menu for SAT band or the ATTENUATION TEST for terrestrial band connect the generator to the point where the antenna will be connected signal source D Press the 17 key to see on screen the measurement CONFIGURATION By means of the Threshold Attenuation option is possible to adjust the maximum difference between the pilots reference level from 5 to 50 dBmV Later by means of the horizontal cursors 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 Page 38 09 2011 USER S MANUAL TV EXPLORER HD DTMB ZA PROMAX 1703 25 2108 25 90 2 100 3 90 2 99 1 0 0 1 2 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
100. utomatically the different data acquisitions 1 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 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 to play a TS corresponding to services from a digital channel For it the equipment uses an internal memory of 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 15 V 18 V 24 V and includes an EUROCONNECTOR or Scart connector for audio video input output The TV EXPLORER HD DTMB is powered by 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 A CONFIGURATION FOR MEASURING LEVEL AND POWER TUNING Digital frequency synthesis Continuous tuning from 5 to 1000 MHz and from 950 to 2150 MHZ Terrestrial an
101. 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 Figure 58 Run the program and make the connection with your equipment using the option Detect on the program to access all the available features 09 2011 Page 79 AX PROMIAX USER S MANUAL TV EXPLORER HD DTMB WetUpdate Lok Automatic firmware update E Manual firmware update Run PRO file Resource updates Advanced utilities E Language Options Help NetUpdate 3 Select Port COM4 Detect Ue LIE Model EXPLORER HD Producto 010124438 Version 1 08 1145 320 Port COM4 Server reports your equipment is up to date 4 i 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 D n 17 to access the SETUP menu and go to the bottom of the menu until the Enable ASI INTERFACE Page 80 gt gt ENABLE ASI

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