Related Manuals for UNAOHM DG-OHM Compact
Summary of Contents for UNAOHM DG-OHM Compact
- Page 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 ...
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Page 2: Table Of Contents
8.0 MENU 8.1 MAIN MENU 8.2 DIGITAL MENU 8.3 TV MENU 8.4 DiSEqC MENU 8.5 PROGRAMME MENU 8.6 LNB MENU 8.7 DATA LOGGER MENU 9.0 TERRESTRIAL ANTENNA INSTALLATION 9.1 POINTING 9.2 OPTIMISATION 9.3 TV PICTURES DG-OHM UNAOHM Srl Rev. 4.0... - Page 3 12.0 PROGRAMME MEMORIES 12.1 SAVING PROGRAMME MEMORIES 12.2 PROGRAMME TABLE 12.3 PROGRAMME RECALL 13.0 DATA LOGGER 13.1 INSTANT DATA LOGGER 13.2 UHF DATA LOGGER 13.3 SATELLITE DATA LOGGER 14.0 FIRMWARE UPDATE VIA PC 15.0 WARRANTY DG-OHM UNAOHM Srl Rev. 4.0...
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Page 4: General Warnings
NOTE: UNAOHM S.r.l. will not be liable for any incorrect use of the instrument or any use other than that specified. -
Page 5: Precautions
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. -
Page 6: Introduction
= 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. Installers with more specific requirements can also use this instrument in manual mode, with the possibility of manually modifying or setting all parameters. -
Page 7: Main Characteristics
Li-Ion battery autonomy: autonomy over 5 hours, fully charged in 4 hours USB port: PC connection for firmware updates and download of measurements stored with the data logger (also with any software for remote control) RCA video input: to test decoder and video camera video signals. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 8: Technical Specifications
1 External network power supply. 1 Li-Ion 4.5 Ah battery. 1 Instructions manual 1 Instrument container case. 3.2 OPTIONAL ACCESSORIES NG 500 External noise generator. FCV 300 2-3 GHz Down converter. Professional transport carrying case. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 9: Keyboard
(CHBW: 1 MHz) for terrestrial band analogue signals. 3. Light blue: level measurements for satellite band analogue signals. 4. Blue: power measurements for digital satellite. Frequency Channel/tpsat programmes Power/level Vcc (voltage) 698.00 86.6 DG-OHM UNAOHM Srl Rev. 4.0... -
Page 10: Instructions For Use
5 INSTRUCTIONS FOR USE 5.1 POWER The DG-OHM Compact can be powered 3 ways: voltage alternating from 90V to 260V by means of included external power supply Li-Ion battery which, when fully charged, has an autonomy of more than 5 hours ... -
Page 11: Tuning
3. Single click the button to activate the frequency mode, allowing navigation (by means of the buttons or setting a number from the numeric keypad) by frequency. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 12: Automatic Satellite Tuning For Transponder
It is also possible to tune the frequency setting simply by modifying the digit or increase or decrease step (thousands, hundreds, tens, units, tenths, hundredths of MHz). DG-OHM UNAOHM Srl Rev. 4.0... -
Page 13: Attenuator
To activate, press and hold the button from spectrum analyzer mode. The attenuation cell value will be indicated in the status bar under ATT. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 14: Menu
To view and select the suitable channel table (Italy default) Activates specific LTE function to better control filter functionality and the coexistence of digital terrestrial signals with LTE signals. Allows the selection of video input for decoder testing or EXT video camera selection. Source DG-OHM UNAOHM Srl Rev. 4.0... -
Page 15: Diseqc Menu
Instant Allows viewing of instant measurements 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) DG-OHM UNAOHM Srl Rev. 4.0... -
Page 16: Terrestrial Antenna Installation
In fact, by means of small movements on the antenna, you can try to get a MUX that is powerful and squared. This operation will allow us to perform pointing for the most power possible. Picture of the real time spectrum analyzer representing the captured MUX. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 17: Optimisation
Post Viterbi BER measurement (bit errors over time after the correction of Viterbi). MER: Modulation error ratio (errors on modulation) Noise Margin (guarantee margin in dB). CELL: Recognition code of the repeater from which the signal is being received. Uncorrected errors. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 18: Tv Pictures
Management of adjustments such as brightness, contrast, volume by pressing and holding button which will activate the control bars. Use the keys to select the various settings: VOLUME (only in TV mode) CONTRAST BRIGHTNESS Use the keys to increase or decrease relative contents. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 19: Satellite Dish Installation
NIT and, in particular, the orbital position that we are going to compare with the one in question. If they match, we have pointed the right satellite. Next, we will have to carry out an optimisation phase to obtain the best quality. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 20: Optimisation
MPEG4 board, which will communicate the N.I.T. network information table and will allow for selection of a television broadcaster to display clear pictures (see paragraph 9.3). DG-OHM UNAOHM Srl Rev. 4.0... -
Page 21: Special Functions
To activate a constellation diagram, which will allow for a graphical representation of the quality of the signal, simply single click the button from the digital screen (press ), both terrestrial and SAT. This operation will activate the side boxes, where you can select CONST. Constellation diagram DG-OHM UNAOHM Srl Rev. 4.0... -
Page 22: Aer (Echoes Analysis For Digital Terrestrial)
The red marker allows us to highlight any echoes and get information: DS (delta space): identifies the distance of any echoes. DT (delta time): identifies the delay of any echoes. GUARD MKR: indicates the time limit of the guard interval. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 23: Clc Function (Length Calculation From Cable Fault Point)
9. Read the distance of the impedance mismatch as follows: PEE: distance by mismatched expanded cables. PE: distance by mismatched compact cables. Point 5 Point 6 Point 7 ; point 8 DG-OHM UNAOHM Srl Rev. 4.0... -
Page 24: Diseqc Scr Function
Set TRANSPODER frequency with the local oscillator and not 1IF frequencies, for example TP124 RAI, type 10.992 and not 1.242,00. Then press and enter the numerical sequence followed by b. Set the polarity through the side menu ( ) POL V or POL H. DG-OHM UNAOHM Srl Rev. 4.0... - Page 25 4) To obtain the high band, we no longer activate the 22KHz, since it will be the LNB SCR itself to understand by means of the transponder frequency we will send. a. Fr TP < 11,750 low band. b. Fr TP > 11,750 high band. DG-OHM UNAOHM Srl Rev. 4.0...
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Page 26: Dcss Function
Set the polarity through the side menu ( ) POL V or POL H. c. Select TRANSMIT from the side menu to send the request to the SCR LNB made up of: TRANSPONDER FREQUENCY POLARITY 10992 V (VERTICAL) DG-OHM UNAOHM Srl Rev. 4.0... - Page 27 4) To obtain the high band, we no longer activate the 22KHz, since it will be the LNB dCSS itself to understand by means of the transponder frequency we will send. a. Fr TP < 11,750 low band. b. Fr TP > 11,750 high band. DG-OHM UNAOHM Srl Rev. 4.0...
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Page 28: Lte
Marker 1 786.00 MHz centre frequency CH60 (reference level) Marker 2 790.00 MHz end frequency CH 60 (maximum loss 6 dB) Marker 3 793.00 MHz adjacent LTE channel start frequency (minimum attenuation 30 dB). DG-OHM UNAOHM Srl Rev. 4.0... -
Page 29: Test Multiswitch
4 cables of distribution containing the 4 polarities. Moreover you can find the failed polarities on a universal output. To activate the function press hold (LNB) key, select TEST MULTISWITCH with key and press key to confirm. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 30: Programme Memories
12.2 PROGRAMME TABLE Press and hold (in spectrum analyzer mode) to activate the programme table. The status relative to programme content to be saved will be indicated in the first table at the top. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 31: Programme Recall
PR field will flash. It will be possible to select the programme memory number using the numerical keypad, then confirming by pressing Press to decrease or increase the memory selection. DG-OHM UNAOHM Srl Rev. 4.0... -
Page 32: Data Logger
DATA LOGGER menu. 3. Use to select UHF and press 4. Select one of the 3 possible acquisitions where data will be saved and press start up the measurement cycle from CH21 to CH60. DATA LOGGER DG-OHM UNAOHM Srl Rev. 4.0... -
Page 33: Satellite Data Logger
SATELLITE and press 4. Select one of the 3 possible acquisitions where data will be saved and press start up the measurement cycle relative to the active TPSAT transponders. DATA LOGGER Instant Satellite START LOGGER VIEW DATA DG-OHM UNAOHM Srl Rev. 4.0... -
Page 34: Firmware Update Via Pc
The message New hardware found will appear on the computer. Select the message Installation for experts and select the folder with the USB drivers. Wait for an alert of automatic recognition of the end. The new HW is ready for use. DG-OHM UNAOHM Srl Rev. 4.0... - Page 35 2. DG-OHM FIRMWARE UPDATE Switch off the instrument and connect it to the home network. Download the *.upg file for the instrument FROM WEBISTE www.unaohm.it, download section. Connect the instrument (switched off) to the PC via USB cable.
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Page 36: Warranty
In order to prevent pointless loss of time it is very important that the equipment is returned with accompanying documents and with its technical data sheet, filled out entirely, available from the support section of the website www.unaohm.it. MISCELLANEOUS The electrical diagram of the equipment is not provided (not even on request). Any illustrations and diagrams inserted in the brochure are purely indicative.