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UNAOHM DG-OHM Compact, Руководство пользователя

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DG-OHM  

UNAOHM  Srl                                                           Rev. 4.0

 

14

8.4 DiSEqC MENU  

 

 

 

 

Press and hold the 

 (DSQ) button to activate the DiSEqC menu. 

 

DiSEqC MENU 

 

2 way DiSEqC 

Sets and transmits commands to switch DiSEqC on 2 satellites. 

4 way DiSEqC 

Sets and transmits commands to switch DiSEqC on 4 satellites. 

DiSEqC Level 

Sets the DiSEqC level between: 1.0 , 1.1 , 2.0 

List 

Opens the DiSEqC list with all available commands 

Motor 1.2 

Allows the user to move, drive or manage a DiSEqC motor. 

DiSEqC SCR 

Activates the SCR function for control of the LNB SCR 

DiSEqC  is a registered trademark of EUTELSAT. 

 
8.5 PROGRAMME MENU  

 

 

 

 

 

 

Press and hold the 

 (PR) button to activate the programme management menu. 

 
 
8.6 LNB MENU 

 

 

 

Press and hold the 

 (LNB) button to activate the selection menu. 

 

LNB 

 

Step 

Sets the 4 polarities for driving the LNB (VH, VL, HH, HL) 

Amperes 

Activates amperometric mode: measures absorption of devices connected to the BNC 

Auto recovery 

Automatic function for short-circuit resolution 

 
 
8.7 DATA LOGGER MENU 

 

 

 

Press and hold the 

 button to activate the selection menu. 

 

DATA LOGGER 

 

Instant 

Allows viewing of instant measurements 

UHF 

Allows start-up or viewing of the UHF DATA LOGGER (from CH 21 to CH 60) 

Satellite 

Allows start-up or viewing of the Satellite DATA LOGGER (for the stored TPSAT) 

 
 
 
 
 
 
 
 
 
 
 
 

Содержание DG-OHM Compact

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: ...ATUS BAR 8 5 INSTRUCTIONS FOR USE 9 5 1 POWER 9 5 2 START UP AND SHUT DOWN 9 5 3 BATTERY USE 9 5 4 PREPARATION FOR START UP 9 6 0 TUNING 10 6 1 TERRESTRIAL TUNING 10 6 2 SATELLITE TUNING 10 6 2 1 AUTOMATIC SATELLITE TUNING FOR TRANSPONDER 11 6 2 2 MANUAL SATELLITE TUNING 11 7 0 ATTENUATOR 12 8 0 MENU 13 8 1 MAIN MENU 13 8 2 DIGITAL MENU 13 8 3 TV MENU 13 8 4 DiSEqC MENU 14 8 5 PROGRAMME MENU 14 8 ...

Страница 3: ...IAL 21 11 4 CLC FUNCTION LENGTH CALCULATION FROM CABLE FAULT POINT 22 11 5 DiSEqC SCR FUNCTION 23 11 6 dCSS FUNCTION 25 11 7 LTE 27 11 8 LTE FILTER TEST 27 11 9 TEST MULTISWITCH 28 12 0 PROGRAMME MEMORIES 29 12 1 SAVING PROGRAMME MEMORIES 29 12 2 PROGRAMME TABLE 29 12 3 PROGRAMME RECALL 30 13 0 DATA LOGGER 31 13 1 INSTANT DATA LOGGER 31 13 2 UHF DATA LOGGER 31 13 3 SATELLITE DATA LOGGER 32 14 0 FI...

Страница 4: ...mmable gases vapours smoke and powders The instrument can be used in overvoltage Category IIa and pollution grade 2 Do not turn on the equipment immediately after moving it from a very cold area to a very hot area in order to avoid formation of condensation Do not obstruct any cooling slots and do not place the equipment close to heat sources For prolonged use in the laboratory or in fixed station...

Страница 5: ...y technical support engineers 1 3 MAINTENANCE Opening the instrument and any operations must be done exclusively by UNAOHM qualified personnel or at authorised service centres having basic electro technical and electrical safety knowledge Before intervening disconnect the power cable For the units equipped with a battery remember the notes included in section 1 1 Be careful not to come into contra...

Страница 6: ...S S2 MPEG4 DG OHM FULL HD DVB T T2 DVB C DVB S S2 MPEG4 Digital configuration table DG OHM DVB T DVB T2 DVB C DVB S DVB S2 PICTURES NIT MPEG2 MPEG4 FULL HD OK OK OK OK OK HD OK OK OK UPGRADABLE LATER 2 1 METHOD OF USE The DG OHM Compact model has been designed to meet the needs of different installers Installers with less requirements prefer direct quick and easy use using AUTOMATIC mode Installer...

Страница 7: ...lite Diseqc 1 1 1 2 motor 2 0 SCR 2 3 MECHANICAL CHARACTERISTICS Holder ABS polymer Innovative solutions multi function tilting cover o Closed used for protection during transport o Adjustable opening to further protect from sunlight o Flap opening as a pedestal for secure support transport strap for safe use with hands free side handle for transport and safe handling Monitor Professional colour 5...

Страница 8: ...point Automatic terrestrial channel search USB port 5 7 colour high brightness LCD Dimensions 24 x 16 x 9 cm 24 x 16 x 9 cm Weight 2 kg 2 kg Li Ion battery autonomy 5h 5h Measurement precision 1 5 dB 1 5 dB Voltage supplied by BNC 0V 13V 18V 0V 13V 18V Attenuator auto man step 10dB auto man step 10dB 3 1 SUPPLIED ACCESSORIES 1 External network power supply 1 Li Ion 4 5 Ah battery 1 Instructions ma...

Страница 9: ...cy and channel and in menus modifies options Fast decrease Confirms selection Adjustments menu In spectrum increases frequency and channel and in menus modifies options Fast increase In spectrum decreases attenuation and in menus moves the cursor Automatic attenuator Instrument On Off 4 1 STATUS BAR The status bar at the bottom of the screen superimposes all main information for constant viewing Y...

Страница 10: ...d therefore residual autonomy see the battery icon on the upper left of the screen When the battery charge is low the icon will become red before the instrument switches off At this point we recommend interrupting use of the instrument and recharging the battery as soon as possible If you continue to use the instrument 5 10 minutes max the instrument will switch off When the equipment remains inac...

Страница 11: ...d which has now been transformed into a numeric keypad and then confirm with the OK button It is also possible to tune the frequency setting simply by modifying the digit or step thousands hundreds tens units tenths hundredths of MHz of increase or decrease To modify the step press and hold the button position the cursor on the digit to be modified with the buttons confirm the step to be modified ...

Страница 12: ...ate the selected satellite TV MENU SATELLITE Eutelsat 16 E TAB CHANNELS Hot bird 13 E LTE Astra 19 2 E SOURCE Hellas 6 2 2 MANUAL SATELLITE TUNING Alternatively you can use the manual professional mode procedure to enter the following parameters 1 Local oscillator from the spectrum analyzer mode single click on the button to activate the side menus Select the last box press OK to select modify Use...

Страница 13: ...ove to SYMB R Subsequently press to move the cursor to the right on the numerical value of the symbol rate and using the keyboard which has converted into a numerical keypad you can enter the value of the new symbol rate 7 0 ATTENUATOR If the signals measured by the MARKER exceed or are less than the values detected by the instrument in its current conditions this situation will be signalled with ...

Страница 14: ...ssed Spectrum Sets the spectrum as classic line combined 8 2 DIGITAL MENU Press and hold the digital measurements button to activate the selection menu MODE OFDM Activates the COFDM board for DVB T DVB TS full hd only digital terrestrial measurements QAM Activates the QAM board for DVB C full hd only for digital measurements via cable 8 3 TV MENU Press and hold the TV button to activate the select...

Страница 15: ...is a registered trademark of EUTELSAT 8 5 PROGRAMME MENU Press and hold the PR button to activate the programme management menu 8 6 LNB MENU Press and hold the LNB button to activate the selection menu LNB Step Sets the 4 polarities for driving the LNB VH VL HH HL Amperes Activates amperometric mode measures absorption of devices connected to the BNC Auto recovery Automatic function for short circ...

Страница 16: ... change from SPAN to FULL This will allow us to pinpoint the location of the repeater Next select a specific channel to be chosen from the importance of MUX content paid channels or guaranteed channels such as RAI Mediaset or choose another low quality channel In the latter case obviously improving the quality of a poor quality MUX other channels arriving from the same direction can benefit or at ...

Страница 17: ... until the signal is so degraded in quality that it will give the NO CARR or UNLOCKED message or the complete absence of quality In addition the quality measurement bars can light up three different colours to give an immediate idea of the quality GREEN optimal condition of errors few YELLOW fair condition some errors RED critical condition of errors Once signal quality has been optimised our quan...

Страница 18: ...levision broadcaster from the NIT screen simply use the button to move and then single press the button to see the clear digital pictures Clear digital terrestrial TV mode picture From the digital TV screen press the button to recall the side menus which will allow STATUS B Status bar management Activates deactivates full screen viewing CHANNEL INFO Select the broadcaster and relative information ...

Страница 19: ...specific signal Now simply position the satellite dish with elevation appropriate to the location Next move the satellite dish horizontally to capture the searched satellite Thanks to the REAL TIME SPECTRUM you will simply need to move the satellite dish horizontally until the MARKER positions in the middle of the received signal as shown below In this situation the TP will not necessarily be exac...

Страница 20: ... ratio or rather the number of bit errors over time Pv BER Post Viterbi BER measurement bit errors over time after the correction of Viterbi MER Modulation error ratio errors on modulation NM Noise Margin guarantee margin in dB CFO Central frequency offset indicates the conversion error of the LNB local oscillators 10 3 CLEAR NIT AND TV PICTURES VIEWING phase 3 button Once phase 2 has been complet...

Страница 21: ...ayed The screen will be divided in 3 keeping the real time spectrum analyzer in the middle with all real time digital measurements on the left side and NIT with all information relative to the signal on the right side of the screen allowing for overall viewing of all information This function can also be used for satellite to discover the orbital position of an unknown signal 11 2 CONSTELLATION To...

Страница 22: ...112 224 MAXIMUM DISTANCE Km 8 4 16 8 33 6 67 2 To activate the echoes analysis press the button to switch to quality measurements Once the signal has been LOCKED press the button to open the side box Select AER and press On the AER screen photo above you can press the button to activate the side menus for further management or viewing of the quality measurements BER MER As you can see in the photo...

Страница 23: ...le scale using the buttons or activate the automatic attenuator press and hold 4 Connect the distribution cable to the T connector 5 If distribution presents an impedance mismatch linearity will not be seen on the spectrum but valleys or holes 6 Set the SPAN with a value suitable for obtaining 2 valleys on the screen press and hold Point the first market on the first valley or hole 7 Activate the ...

Страница 24: ... B 1 420 MHz SCR C 1 680 MHz SCR D 2 040 MHz SCR E USER 3 After selecting one of the 4 channels to check the instrument will return to the SPECTRUM mode indicating SCR at the top right in order to signal the particular mode of use 4 To check correct operation of the selected SCR channel you can use the pre stored transponders or else the parameters of the desired transponder must be manually set a...

Страница 25: ... FILTER MKR EXIT Exit the SCR mode to return to classic use ATTENTION Due to the diversity of SCR LNB technology with respect to the classic universal LNB pay close attention to the following points 1 Programme memories cannot be used for SCR 2 To set the frequency we recommend using a numeric keypad as indicated above Increasing with the buttons may be slow as the transponder frequency setting is...

Страница 26: ...hannels to check the instrument will return to the SPECTRUM mode indicating SKY ITA or SKY UK at the top right in order to the frequency plan selected 4 To check correct operation of the selected dCSS channel you can use the pre stored transponders or else the parameters of the desired transponder must be manually set as follows a Set TRANSPODER frequency with the local oscillator and not 1IF freq...

Страница 27: ...o the diversity of dCSS LNB technology with respect to the classic universal LNB pay close attention to the following points 1 Programme memories cannot be used for dCSS 2 To set the frequency we recommend using a numeric keypad as indicated above Increasing with the buttons may be slow as the transponder frequency setting is not made by the internal tuner of the field meter but by the LNB dCSS wh...

Страница 28: ...etween the two signals in real time ΔLTE 30 critical condition filter not working properly or absent ΔLTE just under 30 filter working just enough ΔLTE 25 filter working very well 11 8 LTE FILTER TEST Function that allows you to test the actual efficiency of LTE filters and therefore automatically verify if their response complies with CEI100 7 regulations from December 2012 Use of the LTE FILTER ...

Страница 29: ...stics Interpretation of the LTE filter cutting values is immediate thanks to the calculated value colour GREEN attenuation within standard parameters RED attenuation outside of standard parameters YELLOW reasonable attenuation taking into account the measurement tolerances and insertion losses To exit from this function press button once 11 9 TEST MULTISWITCH The Test Multiswitch function is used ...

Страница 30: ... model allows the user to save 50 programme memories from PR00 to PR49 mixed between satellite and terrestrial as desired The saved programme memory can be read or recalled in the status bar under PR 12 1 SAVING PROGRAMME MEMORIES To save a programme memory proceed as follows 1 Set the instrument to spectrum analyzer mode 2 Tune and set the instrument with the parameters to be saved frequency LNB ...

Страница 31: ...programme simply delete it and then save new content in that position Use to return to navigating programme positions Single click to deactivate the programme table PR POSITION CHANNEL TP FREQUENCY STANDARD CHBW SYMBOL R POLARITY PR CH TP FREQ TYPE BW SR POL 0 49 ITA 698 00 DVB T 8M OFF DELETE 1 124 13 0E 10992 0 DVB S 27500 VH DELETE 2 SAVE 3 OFF 12731 0 DVB S2 29900 HH DELETE 4 E8 198 50 DVB T2 ...

Страница 32: ...tant memories mixed between MUX and TRANSPONDERS Once the measurements have been saved the information containing the INSTANT DATA LOGGER position in which measurements have been saved or the first available will appear on the middle bottom of the screen To read all measurements saved in the INSTANT DATA LOGGER activate the DATA LOGGER menu press and hold select INSTANT and press under DATA DISPLA...

Страница 33: ...itical and has not even been locked UNLOCKED or NO CARR Single click to exit from the DATA LOGGER menu 13 3 SATELLITE DATA LOGGER The SATELLITE DATA LOGGER has been designed to measure and save data Power BER PVBER MER etc relative to the main transponders of the satellite TPSAT active in the instrument If you should want to activate the DATA LOGGER for another satellite proceed as per paragraph 6...

Страница 34: ...will then have to be kept in the PC for future updates from the website www unaohm it DOWNLOAD section This software will have the task of interfacing between the PC and the DG OHM You will also have to download and install USB drivers for the operating system present on your computer XP Vista Windows 7 so as to have a virtual COM port to use for connection between the devices At the next update y...

Страница 35: ...der programme Select the COM port from the uploader programme Switch on the instrument and after a few seconds you will see the message INSTRUMENTS ON LINE Then the preliminary version of the firmware BOOTLOADER VER x y will be detected Select the upg downloaded from the website www unaohm it Select Start on the uploader programme To verify proper updating wait for the message Verification Success...

Страница 36: ...s long as it is economically convenient The availability of mechanical and electronic spare parts is guaranteed for up to 5 years when the circuits are manufactured with discreet components In the event integrated circuits are used the supply of replacement parts is ensured while our supplies last and subject to their availability on the global market The repair of instruments which are no longer ...

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