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AP01 HD rev.09 UK

18

4.6.1.1.

INSPECTION/MODIFICATION OF STORED CHANNELS

The table of the stored program is displayed on the screen.
It can refer to analogue or digital channels, terrestrial or satellite.

Example of channel tables

Analogue

terrestrial

channel

Digital

terrestrial

channel

Analogue satellite channel

Digital satellite channel

PR: 2 ID:NEWS4
FR: 471.25 STD(BG)
CH: 21 (ITALY)
DEM(TV) RBW(w)
LNB OFF 13V 22kHz OFF
ANLG

C/N(OFF)
A/V(ON)

(2

nd

PR) = SALVA

(PR) = CANCELLA
(PR) = ESCI

PR: 12 ID:CULT
FR: 471.25 STD(BG)
CH: 21 (ITALY)
DEM(TV) RBW(w)
LNB OFF 13V 22kHz OFF
DIGI

OFDM
CHBW: 8MHZ
MOD: 64QAM
SPECT:Di
CARR:8K
CODE:2/3
GUARD:1/32

CHBW( 8)
C/N(OFF)
BER(OFF)

(2

ND

PR) = SALVA

(PR) = DELETE
(PR) = EXIT

PR: 2 ID:MOVI4
FR: 1263.4 VP(Ku)
LO: 1IF
DEM(TV) RBW(n)
LNB OFF 23V 22kHz OFF
ANLG

DS: SW4 OFF LNB 3
AUDIOSAT1(6.50)

C/N(OFF)

PR 4 ID: FAS65
FR: 2012.0 VP(Ku)
LO: L4A
DEM(TV) RBW(n)
LNB ON 13V 22kHz OFF
DIGI

DS:SW4 OFF LNB 3 QPSK
SYM RATE:27500
CODE Auto
SPECT:Auto

CHBW(30)
C/N(OFF)
BER(OFF)

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Содержание AP 01 HD

Страница 1: ...UNAOHM S r l Via G di Vittorio 49 20068 Peschiera Borromeo MI Italy Tel 39 02 36577787 Fax 39 02 51650195 Web www unaohm it E mail sales unaohm it ...

Страница 2: ... 17 4 6 PROGRAM STORAGE 17 4 6 1 PR ENGAGED MENU 17 4 6 1 1 INSPECTION MODIFICATION OF STORED CHANNELS 18 4 7 MEASUREMENT 20 4 7 1 MEA ENGAGED MENU 20 4 7 2 MEASUREMENT BANDWIDTH SETTING 21 4 7 3 USE OF ATTENUATOR 21 4 7 4 SYNCH PULSE 22 4 7 5 DCP DIGITAL CHANNEL POWER 22 4 7 6 CARRIER NOISE RATIO MEASUREMENT 22 4 7 7 SATELLITE VIDEO POLARITY 22 4 7 8 FULL SCREEN TV PICTURE 22 4 7 9 TV ENGAGED MEN...

Страница 3: ...ANNEL TABLE 31 4 13 2 SEARCH CHANNEL 31 4 13 3 LTE 31 5 AUXILIARY INPUTS AND OUTPUTS 32 5 1 STANDARD SCART SOCKET 32 5 2 RS232 SERIAL CONNECTION 32 5 2 1 TRANSMISSION FORMAT 32 6 DIGITAL MEASURES 33 7 DEMODULATION MODULES FOR DVB S DVB S2 DVB T DVB C 33 7 1 INTRODUCTION 33 7 2 QPSK 8PSK MEASUREMENTS 33 7 2 1 USE OF MODULE 34 7 2 2 TECHNICAL SPECIFICATIONS 35 7 3 OFDM MEASUREMENTS 36 7 3 1 CH BER A...

Страница 4: ...e 45 9 2 2 Program display 46 10 NOISE GENERATOR 46 10 1 Introduction 46 10 2 Use 46 10 3 Technical specifications 46 11 REMOTE CONTROL SOFTWARE FROM PC 47 11 1 General information 47 11 2 Program installation file content 47 11 3 Warning 47 12 PROGRAM USE 47 12 1 Select RS232 Port 48 12 2 User Program Setup 50 12 3 Data Logger Setup 51 12 4 Data Logger 52 12 5 Plant certification Report ICT 53 13...

Страница 5: ...d to be used in covered environments Do not expose it to rain or dripping Do not use the instrument in explosive atmosphere made up of gas vapours fumes and flammable dusts The instrument may be used in over voltage Category II and Pollution Degree 2 Do not switch on the instrument immediately after taking it from a hot to a cold environment in order to avoid condensation Do not either obstruct po...

Страница 6: ...ables near the instrument since even very small pieces of wire from the shielding braid could fall into the instrument and thus provoke occasional short circuits not easily detectable by technicians 1 3 MAINTENANCE Permitted interventions are only connection or replacement of the battery and or fuses and insertion of internal accessories as specified in the manual The opening of the instrument and...

Страница 7: ...may be used either on horizontal or on vertical position seated on the bottom It is strongly recommended to regularly check the instrument at least once a year and make it be calibrated Furthermore the replacement of worn out bags and straps is highly suggested in order to avoid mishaps as per paragraph 1 1 This symbol indicates it is necessary to look through the user manual to get supplementary ...

Страница 8: ...free to air may be watched through the MPEG decoder Colour LCD 5 7 to display TV signals spectrum analysis horizontal synch pulse analogue measurement bars options on OSD during programming indication of frequency channel level program and instrument status menu Frequency synthesis tuning PLL throughout all ranges with double frequency marker Spectrum analyzer with variable selectivity and frequen...

Страница 9: ...ding a note whose tonality is proportional to the level of the applied signal Measurement Switchable quasi peak or average value Measurement bandwidth at 3 dB HF VHF UHF 100 kHz 1 MHz selectable SAT 100 kHz 1 MHz 4 MHz selectable Input impedance 75Ω unbalanced 50 Ω on request VDC blocker Maximum applicable voltage 100 Vdc LNB voltage excluded and or 5 Vpp RF Input connector BNC BNC IEC and BNC F e...

Страница 10: ... range From 5 MHz to 2150 MHz in 5 bands in real time C 5 65 MHz L 45 156 MHz M 156 454 MHz H 454 900 MHz SAT 900 2150 MHz Level VHF UHF SAT bands from 20 to 130 dBµV C band 5 65 MHz from 40 to 130 dBµV Dynamic range on screen 40 dB for HF VHF UHF SAT bands Explored frequency range 100 of each selected band C L M H SAT with possibility of exploring in 8 steps 6 in C band a portion of approx 1 in S...

Страница 11: ...automatic according to reception standard selectable in SAT band Audio Demodulators Selectable for TV AM FM modulated signals Subcarriers frequency 1 For VHF UHF frequency range automatically selected according to TV standard 2 For SAT frequency range adjustable from 5 MHz to 9 77 MHz with 10 kHz steps in PLL frequency synthesis De emphasis Selectable in 4 steps only for SAT frequency range flat J...

Страница 12: ...l features Dimensions height x width x depth 110 x 250 x 250 mm Weight 4 kg equipped with all options and battery in carrying bag with accessories Presentation Nylon carrying bag with accessories compartment and strap for easy transport Environment features Calibration temperature The specified tolerances refer to an air temperature of 23 C 5 C Typical thermal drift 0 2 dB C Operating temperature ...

Страница 13: ...AP01 HD rev 09 UK 12 Picture 1 Front control panel ...

Страница 14: ...AP01 HD_rev 09_UK 13 Picture 2 Right side Picture 3 Left side ...

Страница 15: ... pressed for ENTER 3 RF input connector terrestrial TV and SAT bands 4 Alphanumeric keypad and function keys 5 Colour LCD 5 7 high brightness Right side 6 USB connector for connection to PC 7 RS232 connector for connection to PC 8 Mains power switch 9 Mains socket 10 Standard SCART socket Left side 11 External DC power socket 12 RF output connector of noise generator ...

Страница 16: ...ON OFF To switch on the instrument press the key To switch it off keep the same key pressed a few seconds This procedure ensures that data stored during the work session are saved in non volatile memory moreover it guarantees next time the instrument will switch on in the same mode used on the latest session 4 3 USE OF BATTERY If the supplied external DC is enough the instrument automatically rech...

Страница 17: ... PR for program CH for channel FR for frequency to alternate between channel mode and frequency mode The indicator corresponding to the selection flashes on the status bar Whichever mode is selected tuning is carried out turning the shaft encoder or inserting values through the alphanumeric keypad Press ENTER to confirm setting In satellite band the frequency display from 1st IF to transponder fre...

Страница 18: ... PROGRAM STORAGE Remember that stored programs are used also by the Data Logger In order to store a frequency or channel in one of the 100 available storage locations proceed as follows I Set the program number where the frequency or channel must be stored II Set the frequency or channel III Press the 2nd key and then the STORE key IV Make the same to store further programs PLEASE NOTE if the LNB ...

Страница 19: ... 21 ITALY DEM TV RBW w LNB OFF 13V 22kHz OFF ANLG C N OFF A V ON 2nd PR SALVA PR CANCELLA PR ESCI PR 12 ID CULT FR 471 25 STD BG CH 21 ITALY DEM TV RBW w LNB OFF 13V 22kHz OFF DIGI OFDM CHBW 8MHZ MOD 64QAM SPECT Di CARR 8K CODE 2 3 GUARD 1 32 CHBW 8 C N OFF BER OFF 2ND PR SALVA PR DELETE PR EXIT PR 2 ID MOVI4 FR 1263 4 VP Ku LO 1IF DEM TV RBW n LNB OFF 23V 22kHz OFF ANLG DS SW4 OFF LNB 3 AUDIOSAT1...

Страница 20: ...ellite channels both analogue and digital also the transmitted DiSEqC command is indicated The lower part of the screen sets out the indication ON OFF of further measures in case of Data Logger C N V A for analogue channels and BER digital channels Turning the shaft encoder all stored programs can be displayed The display program may be changed as follows Press ENTER 8 and select the desired item ...

Страница 21: ... FM for Frequency Modulation carriers AM for Amplitude Modulation carriers The instrument displays the following information the signal level in numerical format the related analogue level by bargraph TV picture partial if the TV demodulator is selected Waveform of TV line synch In audio Acoustic indicator of level if activated 4 7 1 MEA ENGAGED MENU Press the MEA key to enter the menu Select the ...

Страница 22: ...n this case it will be necessary to increase attenuation If on the contrary the sign appears it means the level is lower than the minimum therefore attenuation must be decreased The instrument carries out automatically these two operations if the attenuator is on automatic mode on spectrum analyzer mode the attenuator can be only manual In order to activate the automatic mode press keys 2nd ATT WA...

Страница 23: ...le a close frequency without other signals is selected Measurement can be started from MEASURE mode as follows press the MENU key select C N turning the shaft encoder and press ENTER to confirm Measurement is carried out automatically or manually according to the selection in MEA menu C N PRMT submenu In case of previous manual setting it is necessary to select the NOISE frequency after recalling ...

Страница 24: ...ng a beep and interrupting the power supply 4 8 1 LNB ENGAGED MENU This menu is activated keeping the LNB key pressed Once the desired operations have been carried out press LNB again to exit MODE there are two available modes to change the power supply of the LNB Step voltage changes for discrete values 0 5 13 15 18 V and if enabled 24 V Continuous voltage changes from 5 to 18 V 24 if enabled in ...

Страница 25: ...t DiSEqC USER to activate setting of four commands USER1 USER2 USER3 USER4 whose code is established by the user Move to the desired item and press the ENTER key then type on the keypad the code to insert For alphabetic characters use the related function of the keypad To use these commands select them from the DiSEqC LIST menu PLEASE NOTE It is possible to transmit the latest used commands pressi...

Страница 26: ...ress the DiSEqC key to exit menu and go back to normal functioning 4 8 3 1 USE OF DISEQC SCR FUNCTION Turning the shaft encoder move the cursor to DiSEqC SCR item Press ENTER Turning the shaft encoder again select the kind of LNB to drive between mono feed and dual feed Press ENTER to confirm The screen displays the submenu to select one of the four fixed frequencies and 1 user s defined to use th...

Страница 27: ...NIT reading and display of pictures of free to air digital channels To exit SCR mode press the DSQ key the SCR function is deactivated and the main screen appears 4 9 SOUND 4 9 1 FOR TERRESTRIAL CHANNELS The instrument has three audio demodulators which are automatically selected according to the measure demodulator in use TV for TV signals automatically selected according to the set standard the ...

Страница 28: ...d band FILTER BW to select the measurement filter width between 1 MHz and 100 kHz F VIDEO to activate and deactivate the video filter BAND to select TV or SAT band MARKER to select the marker analogue for level measurement digital for power measurement To select the desired option turn the SHAFT ENCODER and then press ENTER to confirm your selection The displayed value flashes turn the shaft encod...

Страница 29: ...mum detected level MAX to hold display of the maximum detected level Press the SPECT key to exit menu 4 11 DATA LOGGER The Data Logger enables to carry out measurements and to file their outcomes inside the instrument s memory The stored data will then be available either through the screen or through the serial port RS232 For each acquisition besides frequency and possible channel you can store l...

Страница 30: ...lete the content of the selected item STATUS pressing the ENTER key when this box is set you can select the status on or off of plan positions as follows ALL to set on for all positions NONE to set off for all positions ONE BY ONE to set the status of each position START LOGGER pressing the ENTER key when this box is set you can start the acquisition session EDIT PLAN NAME to edit the plan name DE...

Страница 31: ...and turn the shaft encoder 4 12 1 6 PLUG and PLAY It activates or deactivates the Plug and Play function which must be enabled when hardware modifications are brought to the instrument for example when the user adds an optional board If this function is disabled the instrument switches on faster 4 12 2 KEYS WITH 2nd FUNCTION A small blue box above some keys indicates a second function associated t...

Страница 32: ...s for match the channels of terrestrial signal with frequencies of each Country 4 13 2 SEARCH CHANNEL It supplies the list of terrestrial channels in TV signal with specifications of type of signal analogue or digital and measure of level 4 13 3 LTE The LTE function will analyze the best coexistence of digital terrestrial signals with the latest LTE signals which because of their frequency and pow...

Страница 33: ... possible to connect the instrument to a Personal Computer to an external printer our item STP165 or to other devices including third parties printers The list of executable commands and the list of error messages are set out inside the accessories volume Here below the connection diagram of RS232 cable to connect to a PC or printer 1 NC 2 Rx 3 Tx 4 DTR 5 GND 6 DSR 7 RTS 8 CT 9 NC 5 2 1 TRANSMISSI...

Страница 34: ...digital transmission looks like noise that takes up all the channel generally about 30 MHz in QPSK 8PSK 7 8 MHz in QAM and OFDM In order to decode the signal is necessary to know some transmission parameters A lot of them are standardized however some may vary from one channel to another and need to be set on the instrument 7 2 QPSK 8PSK MEASUREMENTS When the QPSK 8PSK module is active the screen ...

Страница 35: ...s errors present in the channel before corrections It is the most important index to estimate the signal quality in the installation It is instantaneously measurable with all signals from very strong to weak It is very sensitive to environment and weather conditions temperature humidity cloudiness efficiency of cable amplifiers and all components of a reception distribution installation Moreover i...

Страница 36: ...Spectrum AUTO RU Reed Solomon uncorrected Maximum 65535 CH BER Channel BER pre Viterbi Indicated level from 6E 2 to 1E 6 PV BER BCHBER Post Viterbi BER Indicated level from 1E 2 to 1E 8 Lock indicators Locked Unlocked No Signal Power index LOW OK HIGH MER Indication from 5 to 20 dB NM Noise Margin range indication from 3 4 to 13 1 dB Standard In conformity with ETS300421 ...

Страница 37: ...dually mathematical algorithms generate modulation for the carrier which is initially one in order to synthetize the final complex signal Even in the receiver an algorithm can separate the incoming signal into the composing carriers and then decode them 7 3 1 CH BER AND POST VITERBI BER Measures of the received OFDM signal are carried out immediately before the Convolutional Error Corrector Viterb...

Страница 38: ...cal value is 0 the worse is 100 7 3 6 USE OF MODULE Set frequency as for a normal analogue channel Even though measurement can be carried out also on Measurement mode it may be useful to visually check the presence of digital signal positioning the instrument on Spectrum Analyzer mode To activate the OFDM module press the DIGI key The indication of PWR index must be OK so that the module works cor...

Страница 39: ...ideally arrive at the same time Since transmitters are usually located in different places their signals arrive at different moments The maximum difference between these moments must be inside the guard interval otherwise as for echoes reception is compromised In the instrument through the shaft encoder it is possible to position a marker on reflection the time delay DT and space delay DS are disp...

Страница 40: ...riers 2000 8000 automatic Bandwidth 7 8 MHz Hierarchy Non hierarchic RU Reed Solomon Uncorrected Maximum 65535 MER Digital from 6 to 36 dB NM Noise Margin indication range from 15 0 to 21 0 dB CH BER Channel BER pre Viterbi BER Indicated level from 1E 2 to 1E 5 plus zero PV BER Post Viterbi BER Indicated level from 1E 2 to 1E 7 plus zero Lock indicators Locked Unlocked No Signal Power index LOW OK...

Страница 41: ... ratio C N of an analogue signal measured in bandbase Do not confuse it with C N measure which is executed on carrier in Radio Frequency 7 4 3 NM Noise Margin The Noise Margin is a calculated estimate in dB of how much the carrier noise ratio may get worse before the reception is compromised according to the set reception parameters and measured MER The higher the Noise Margin is the lower the cha...

Страница 42: ... 6 AER Adaptive Equalizer Response in QAM The QAM transmission as per all the other digital signals is a sequence of symbols In the RESPONSE function of the equalizer the screen displays the symbol reception trend over the time It can be noticed that the symbol arrives concentrated in a short time span so it usually looks like a single and well defined peak In case the signal arrives not only dire...

Страница 43: ...te 1 7 MS s Modulation Automatic 64 128 256 QAM Spectrum Automatic Direct inverted RU Reed Solomon uncorrected Maximum 65535 BER Channel BER PRE REED SOLOMON Resolution 1 E8 Max Lock indicators LOCKED UNLOCKED NO SIGNAL CFO AFC automatic control of frequency with capacity of 0 5 MHz Power index LOW OK HIGH MER Indication from 17 to 34 dB NM Noise Margin indication range from 13 0 to 24 0 dB Standa...

Страница 44: ...onstellation diagram is need to lock the signal in digital measurements mask The display of the constellation is activated as follows from digital measurements mask DIGI press the MENU select the CONST from list of features press ENTER to activate function The diagram of the constellation is displayed on the monitor pressing the MENU open the functions I EXIT returns to the digital measurements ma...

Страница 45: ...Signal DVB S2 8PSK Signal DVB T 16 QAM Signal DVB T 64 QAM Signal EXAMPLE OF QUALITY VALUATION OF A DVB T SIGNAL OBSERVING THE CONSTELLATION DVB T 64 QAM Signal DVB T 64 QAM Signal Poor quality good quality Presence of noise low noise ...

Страница 46: ...rogram if the program is not scrambled it is decoded and may be viewed 9 2 Use of module The MPEG signal to be decoded and displayed must be supplied by QPSK 8PSK QAM or OFDM modules See the related chapters to use them correctly The module is activated pressing the TV key from the digital measure screen 9 2 1 Description of the Network Information Table If present in the TS on top you will see th...

Страница 47: ...libration of channel amplifiers check of standing waves impedance integrity of coaxial cables PLEASE NOTE The NG96A due to its high output power approx 1 mW may easily saturate the input stages of the measuring instruments therefore it is necessary to check this does not occur and if required to place a proper attenuator at the input of the measuring device 10 2 Use The signal of noise generator w...

Страница 48: ...ion for TV plants certification 11 2 Program installation file content SUPPORT RSW_AP01 CAB file cabinet setup exe installation file SETUP LST installation configuration file 11 3 Warning PC must have an RS232 serial port or USB port for instrument connection 12 Program use Connect PC port with the instrument through appropriate cable before starting the program Select Start Programs group of prog...

Страница 49: ...rtification report ICT Press icon with needed language flag to choose interface language of the program Program sections are hereby in depth explained 12 1 Select RS232 Port In order to establish connection between PC and instrument it is necessary to indicate which port is connected to the instrument RS232 or USB Press icon Select RS232 port to open window indicated in figure 2 ...

Страница 50: ...window to allow PC port selection connected to the instrument After selection press OK key to close window P S Remote control software use requires that the instrument is RS232 configured as follows 1 baud rate 38400 bps 2 data bit 8 3 parity none 4 stop bit 1 5 flux control Xon Xoff ...

Страница 51: ...igital4 transmissions It is required to suitably set up all its relevant parameters in order to create a program Setting of some parameters is made through pressing a number value in its relevant text field others can be set through selection of an option listed in a drop down menu see figure 3 A short suggestion of relevant parameter is shown when the mouse sensor is positioned on a field or menu...

Страница 52: ... PC and transmit to the instrument different groups of programs for Data Logger Each plan identified with a name can contain 50 programs at least Figure 4 Parameters setting example of a digital satellite channel Program setting mode is the same as the one indicated in paragraph User programs setting ...

Страница 53: ...from instrument to PC acquisition data related to plan indicated in menu AP01 Plan Delete last acquisition deletes last acquisition related to plan indicated in menu AP01 Plan Delete all deletes all acquisitions related to plan indicated in menu AP01 Plan From icon Open file Reads from file and views data of previous acquisitions data Save file Data viewed in window are saved on file Print measure...

Страница 54: ...uired data related to TV plant to be certified Press OK Select acquisition number related to RF signal in switchboard input Press OK Select acquisition number related to RF signal in switchboard output Press OK Select first acquisition number related to backbone distribution 1 of the plant Press OK It is then asked to select second acquisition related to the same backbone distribution whether it e...

Страница 55: ...ckbone distribution does not exist leave the space free and confirm Program produces files which contain most significant measures for any plant backbone distribution A message shows names of produced files and PC path which corresponds to software installation directory Files are in HTML format They can be viewed with Openoffice Writer Microsoft Word or any other web browser Mozilla Firefox Inter...

Страница 56: ... are replaceable for a five year period after production when the circuits are assembled with discrete components when integrated circuits are used the supply of spare parts is guaranteed up to the depletion of our stock and depending on the possibility of procuring them on the worldwide market The repair of instruments out of warranty is normally carried out and then the final cost is communicate...

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