User manual(English)
Contents
1. 3 CE NERA ee A E E EE E errr ere 1 1 Teck PEMEFOCUICTION SN A E E EE E E EE EE l 1 E eap Ean a E A E E E E E E E E 2 2 2 1 Power Supply pp 2 2 2 1 1 Operation using the Mains Adapter pe 2 2 2 1 2 Operation Using Batteries pe 2 3 Bko BUCY CINO eene aA A A EREA 2 3 2 2 Starting Up and Main SCreen ccccccccce eee e eee eeeeeeeeeeeeeeseeeeseeeggeeeeeseagaes 2 4 2 3 Main Screen Descriptoh cece eeeeeeeeeeeeeeeeeeeeeseneeeeeeeeeguuteetsnagaes 2 6 OPERATING TINS TRU TRONS sac ciacaaniaies cnnqaeteucneeniemanataeiaiaanaemmsreamiaiant 3 8 3 1 Description of Controls and Elements 4 3 8 Dold JINAVIGQUON eyes 3 10 SUN 3 14 AUD 3 15 3 3 Antenna Orientation for Optimum Reception pe 3 17 3 3 1 Transmitter Focus Detection and Location 1 gt DETECT 3 18 3 3 2 Identifying multiplex channels 2 gt IDENTIFY ccceeeee eee e es 3 19 3 3 3 Antenna Adjustment for Optimum Signal Quality 3 gt ADJUST 3 22 3 4 Equipment Configuration pp 3 24 SOFTWARE APPLICATION 4 4 26 a E E E E E E E EE 4 26 Ai Mek BOCADO aeara N A E E EEE 4 26 4 1 2 Hardware and Software Requirements 4 4 27 4159 SoOKNarelnstallao 4 27 aLa ELC CONA ON aa AR AR ERE AEE EAEE EAA 4 28 42 Ol Ware DESCHOUON erisin ENE a a NEEE EC AERE 4 29 4 2 1 Main Window Description pp 4 29 EU 4 30 T2 MENU ED 4 30 4 2 4 Test Points Configuration Nt 4 31 4 2 5 General Configuration of the Instrument cece eee2. Mains 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 The user is not allowed to perform changes inside the equipment Any change on the equipment must be done exclusively by specialized staff Do not obstruct the ventilation system of the equipment Use appropriate low level radiation cables for input output signals especially on high level signals Follow the cleaning instructions described in the Maintenance paragraph TVHUNTER USER S MANUAL ISDE T Tza CAUTION The battery used can present danger of fire or chemical burn if it is severely mistreat Do not disassembly cremate or heat the battery above 100 C under no circumstances Symbols related with safety DIRECT CURRENT ON Supply ALTERNATING CURRENT OFF Supply DOUBLE INSULATION Class II protection CAUTION Risk of electric shock DIRECT AND ALTERNATING GROUND TERMINAL PROTECTIVE CONDUCTOR CAUTION REFER TO MANUAL FRAME TERMINAL FUSE 3 EQUIPMENT OR COMPONENT EQUIPOTENTIALITY TO BE RECYCLED Descriptive Examples of Over Voltage Categories Cati Low voltage installations isolated from the mains Cat II Portable domestic installations Cat III Fixed domestic installations Cat IV Industrial installations USER S MANUAL TABLE OF CONTENTS 1 2
3. only if some channel has been detected It saves all data obtained during the four scans May 2013 TVHUNITER ISDB T Ta USER S MANUAL If you save the channels after scanning they will be used as a test points It also assigns the name of the channel as an identification name for the test point D DISCARD 2 RESCAN 3 SAVE SCAM 4 E b S63 1MHZ 473 INHZ BW 6MHZ 863 1MHZ gt 5 SCANNING CHANNEL C63 CHANNELS FOUND 16 Figure 12 Scan finished After saving the channels found during scanning the instrument goes to the function Adjust refer to section Antenna Adjustment for Optimum Signal Quality 3 3 Antenna Orientation for Optimum Reception The TVHUNTER has been designed to adjust the orientation of a digital terrestrial receiver antenna By this way you can achieve an optimal signal reception from the transmitting source You should previously enter the measurement points of the area where you are going to work via the control software The adjustment process consists of three stages Transmitter source detection and location 1 gt DETECT Identification of the multiplex channel 2 gt IDENTIFY Antenna adjustment for optimum signal quality 3 gt ADJ UST May 2013 3 17 TVHUNTER USER S MANUAL ISDB T T Figure 13 Valid sequences diagram 3 3 1 ia Transmitter Focus Detection and Location 1 gt DETECT When starting up the instrument firstly access this function Fi
4. S L be held liable for the suitability or accuracy of the data obtained for particular purposes or functions since the only obligation of the latter under this Contract is the provision of means and not of results FINAL CLAUSE The use of this software referred to herein signifies the tacit and unconditional acceptance of its conditions JURISDICTION Both parties explicitly waiving any rights that may correspond to them agree to submit all controversies that may arise from this Contract to the jurisdiction and competence of the Judges ad Courts of Barcelona May 2013 USER S MANUAL 4 2 a Software Description 4 2 1 Main Window Description When running the TVHUNTER software it appears the main window see next figure From top to bottom this window is divided in Title Bar It shows the program name and the usual options to maximize minimize and close Menu Bar Through these menus you can access to all available options Toolbar These icons are shortcuts to access the most common functions Log Window On this window is displayed all actions the program performs You can view but not edit Status bar At the bottom left side it is displayed the path to the file that is loaded in memory At the middle it is displayed the name of the equipment which is connected TVHUNTER At the bottom right side it is displayed the port used to communicate USB virtual serial port VHunter Sele File Edit
5. To run this software is necessary a computer with one of these Operative System Windows XP Vista 32bits Vista 64bits XP 32bits XP 64bits Win7 32bits Win7 64bits and Windows 8 4 1 3 E Software I nstallation The installation file is in the TVHUNTER product page in the download area on the PROMAX webpage at www promaxelectronics com Before proceeding the installation read the following instructions If you have any doubt please contact the technical support Download the installation file on your PC and unzip it Double click on the file TWHUNTER exe It will start the installation wizard that will guide you during the process The installation program creates by default a directory in the path C Program Files PROMAX TVHUNTER where the application files are copied To run the program go to Start Programs PROMAX TVHUNTER or click on the desktop shortcut In the section Software Description it is explained in detail how works the program NOTE If your PC does not recognize the TVHUNTER when connecting install the corresponding driver available at the TVHUNTER product page May 2013 4 27 TVHUNTER USER S MANUAL ISDE T Te 4 1 4 ia Legal conditions Read the contract carefully in its entirety before you install the program Installing the program means that you have accepted the following terms and conditions 4 28 gt SUBJECT The subject matter of this Contract is the
6. reception The TVHUNTER guides the user through three steps Detection of the transmitter identification of the multiplex signal and fine tuning adjustment in order to obtain the best quality signal The instrument can be adapted in order to work in any geographical area because different test points can be configured according to the transmission parameters of each area In this way the installer can use the most appropriate configuration relating to the place where he is The equipment determines if the quality of the signal is enough for reception The TVHUNTER processes all the information and gives to the installer just the information he requires making his work as easy as possible In the TVHUNTER the measurement that gives an approximate indication of the Signal quality is the MER which measures the proportion of noise with respect to an ideal signal The instrument displays VBER LBER CBER and MER in alphanumeric format and optionally in a graphic bar The TVHUNTER has been specially designed to stand rough working conditions It includes a back light display and offers a long battery life May 2013 1 1 USER S MANUAL 2 INSTALATI ON 2 1 Power Supply The TVHUNTER is a portable instrument powered by a Lithium ion rechargeable battery The instrument is supplied with a mains adapter in order to connect it to the mains for its operation and battery charging 2 1 1 Operation using
7. USER S MANUAL gt Initial Index First number of the sequence to be assigned to the first channel during scanning See a practical example of how to configure the auto scan in the section How to change the Auto Scan parameters Units Selection It allows you to choose what kind of units you want to use in the TVHUNTER dBuVv dBmV or dBm Sound Selection There are three different options Enabled Disabled and Only Warnings The option Enabled emits a sound that varies in tone depending on the input power also sounds a beep when pressing a key and for warnings The option Disabled does not emit any sound The option Only Warnings emits a beep only if there is a warning BER selection It allows you to select the measurements you want to watch on the ADJ UST screen They can be CBER with bar chart VBER LBER with bar chart or CBER VBER LBER both at the same time in numeric format but with no charts Display Contrast Min Max Allow you to select among 4 levels of contrast Backlight Mode Allows selecting among three possible options of backlighting AUTO ON and OFF The option ON actives the backlight and the option OFF disables the backlight The option AUTO actives the backlighting when the user is working with the instrument After one minute without using the instrument the backlight turns automatically off 4 35 TVHUNTER USER S MANUAL ISDB T Tz 4 2 6 E Messages Configuration Text messag
8. for using by qualified staff It opens a text editor that enables you to edit create save and print ASCII files This application has the same basic functions than other text editors Find Copy Cut Paste etc Usually there IS no need to use this option because the program automatically generates configuration files Even so in specific instances may be interested do small changes on these files If you are going to do some changes on a configuration file in text format be cautious because you can damage the whole file g Tools Editor File Edit Figure 22 Tools Editor Window gt Terminal This is an option for advanced users It opens a remote control console that enables you to communicate with the equipment using some specific commands For details see section 5 4 1 Remote Control 4 2 8 E Remote Control of the Instrument Terminal is a console based in PkTerm program for MSDOS This console allows you to communicate with the TVHUNTER using a set of commands Terminal works with the same set of commands used by the program to transmit and receive data and you do not have to use them in normal conditions TVHUNTER when is working in service mode can recognise and execute remote control commands That is to say it is necessary to set instrument to SERVICE Mode before sending any remote command to the instrument Terminal mode cannot detect whether an instrument is connected or not At first it check
9. grant to the end user by PROMAX ELECTRONICA S L a non exclusive and non transferrable personal license to use this version of the TVHUNTER program for an indefinite period of time LICENCE The Licence of Use granted hereby refers exclusively to the end user who shall be considered legitimised to use the program only OWNERSHIP OF THE SOFTWARE The end user acknowledges that the program referred to in this Contract is the exclusive property of PROMAX ELECTRONICA S L The end user may only acquire the personal and non transferrable right to use the software that is the subject matter of this Contract for the purposes herein expressed Since the program granted is protected by industrial and_ intellectual copyright infringements by the user of these aforementioned obligations will give rise to the corresponding liabilities in accordance with the legislation in force RESOLUTION The licence or authorisation of use is granted for an indefinite period of time However in the event of non compliance by the end user with any of the clauses hereof the Contract may as of right be terminated without any legal formality EXPLANATORY PROVISION Notwithstanding the accuracy of the software granted PROMAX ELECTRONICA S L is fully exempt of liability for consequences arising from any possible omission existing in the program or from improper use by the end user of any of the information it contains and generates Nor can PROMAX ELECTRONICA
10. the Mains Adapter Turn the TVHUNTER off and connect the mains adapter to the external power connector ioe 4 see Figure 6 at the right side panel The charging process starts automatically The TVHUNTER emits an acoustic indication and on the screen shows information about the battery charging see 3 1 3 Battery Charging When the battery is already charged the instrument will automatically disconnect the charging process To stop the charging process press any of these three keys 1 2 3 for more than 2 s the battery charging screen will disappear Once the charging process stops if you want to turn on the TVHUNTER hold any of the keys 1 2 3 for more than 2 s The battery charging process stops until the equipment starts up The charging process is slower when the equipment is on CAUTI ON Before using the mains adapter make sure that is suitable for your electricity supply network Mains power adapter model AL 101B The mains adapter is exclusively designed for indoor use 2 2 May 2013 USER S MANUAL 2 1 2 Operation Using Batteries The instrument is powered by a 7 4 V and 2 2 Ah Li lon battery In order to the instrument works using the battery you should press any of these keys 1 2 3 for more than 2 s With the battery fully charged the TVHUNTER has an autonomy approx of 5 hours in continuous operation without powering any amplifier through t
11. 5 mm Al x 50 mm Pr 480 gr Mains power adapter 90 250 V AC Car lighter adapter F H BNC H adapter F H DIN H adapter F H F H adapter Mains cord NEMA5 15P USA TVHUNTER 4 Transport Case TVHUNTER Wrist Strap USB 2 0 connector cable Quick Reference Guide Auto Scan Quick Reference Guide 5 47 TVHUNTER USER S MANUAL ISDE T Ts OPCI ONAL ACCESSORIES DC 269 TVHUNTER carrying bag 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 5 48 May 2013 USER S MANUAL 6 MAINTENANCE A 6 1 a 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 tn 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 equipment again CAUTION Do not use alcohol or its derivates for the cleaning of the front panel and particularly the viewfinders These products can attack the mechanical properties of the materials and diminish their useful time of life Fuses not replaceable by the user F001 FUS SMD 2 5 A T 125 V May 2013 6 49
12. CK as confirmation that a remote command has been recognised Receive a NAK if the command has not been recognised skip to status 7 If the command is interrogative the response is a string followed by CR LF Once the command is completed XON is sent This is then repeated at 2 seconds intervals 4 40 May 2013 USER S MANUAL Some keys have special meaning inside Terminal gt Alt T Alt X Alt L Alt C Terminal enters in Test mode so nothing is written or read on the serial port This is useful to check the syntax of PRO files In Hex mode you can view the characters sent by the Instrument in their hexadecimal value in Text mode the hexadecimal value is converted to ASCII characters When Echo is Local mode everything you write to the port is written to the console and all characters received in serial port are written to the console too If Echo is None you will not see what is really read or written to the serial port When CR is CR LF a linefeed is appended to the end of the answer Otherwise answers will be overwritten For retails about remote commands see the remote commands manual In order to Know what program version are you using click on About option on the Help menu and or click on the icon 2 May 2013 4 41 USER S MANUAL 4 3 Ei Practical examples 4 3 1 E How to create a file with new detection points In order to cre
13. DJ UST screen pressing this key it goes to the next test point or to the next layer of the same test point With a long press 1s you go to the previous Test Point Side panels Input RF connector USB connector Power input connector Figure 6 Side panels RF RF signal input USB 12 y May 2013 Maximum level 120 dBuV Universal connector for F F F DIN and F BNC adapter with an input impedance of 75 W External power supply for external amplifiers OFF 5V 12V 15V 24V USB input USB connector for data transfer calibrating and configuring the instrument using a PC Power input External 12 V power input for charging the battery or plug to the electricity network 3 9 USER S MANUAL 3 1 1 E Navigation keys The same key has different functions depending on the time user is pressing the key and the screen KEYSTROKE mon s ta aa gt With the equipment OFF It turns ON the equipment with auto power off enabled 4 s It turns ON the equipment with auto power off disabled manual power off 8 s 3 10 May 2013 TVHUNTER ISDE T T USER S MANUAL gt From the DETECT screen 1 DETECT MAA POWER RATE POWER RATE Figure 7 DETECT screen O It switches external power supply It accesses the CONFIGURATION menu oq It goes to the IDENTIFICATION screen It turns off the equipment oq It goes to the ADJ UST screen It turns off the equipment Ma
14. FR 531 8MH2 79 5dBbU MNER 235 6dB LM 20 248 C N CBER 1 6E 5 WBER 1 BE 8 amp TVHUNTER ISDB T Te ADJUST DETECTION Ke CONFIGURATION Ke IDENTIFICATION Key Figure 5 Front panel A DETECT CONFI GURATI ON key This key activates the function for Detecting the TDT signal Press and hold this key to turn on the instrument At the DETECT screen press and hold this key to access the Setup menu At the DETECT screen pressing this key you can switch between OV and the external power supply selected at the Setup menu Press and hold this key on the Identify or Adjust screen to move to the Test Point 1 TPQ1 8 IDENTIFY key This key activates the Identification function in order to check if the detected test point is one of the memorised in the instrument It shows the frequency network name and the list of services first 48 services Press and hold this key to turn ON or OFF the instrument At the IDENTIFICATION screen pressing this key you go to the next Test Point With a short press on the Identify screen you go to the next Test Point With a long press 1s you go to the previous Test Point 3 8 May 2013 TVHUNTER ISDE T T USER S MANUAL ADJ UST key This key activates the fine tune Adjustment function in order to adjust accurately the antenna for optimum signal reception This function measures POWER MER CBER and VBER LBER Press and hold this key to switch ON or OFF the instrument At the A
15. TER to a USB port of your PC using the supplied USB 2 0 cable Check that the USE icon appears on the equipment screen Double click on the icon TVHUNTER placed on the desktop of your PC The program will open Click on the Detect COM port it Starts the process to detect which port of the PC is connected to the TVHUNTER Once the communication port is detected the lights and the log window Shows the port connected showing that it has successfully established communication with the equipment Click on the Receive data from the equipment icon to transmit the configuration file from the PC to the program Click on the Edit equipment configuration N icon A window opens that allows editing the SCAN parameters auto scan among others Edit SCAN values according to your needs Selectable parameters are Enable If you want to activate a SCAN check this box By default the SCAN 1 must be enabled Start Freq Start frequency of the scan End Freq End frequency of the scan SCAN BW Step of the scan to look for channels between the start and the end frequency Initial Char Letter assigned to all the channels Initial Index First number of the sequential index assigned to each channel May 2013 USER S MANUAL May 2013 During the auto scan the channels are given a name consisting of the letter defined in Initial Char and a sequence number Click on the Send data to the equipment icon to
16. TVHUNTER TV HUNTER I SDB T Tp CE6 FR 531 0MH POWER 79 5dBbU MAER 35 64dB LM gt 20 2dB O oe CBER 1 BE 5 UBER 1 BE TVHUNTER ISDB T Te 35 Be 5 s 3 al en amp o amp E Ax PROMAX USER S MANUAL SAFETY NOTES Read the users manual before using the equipment mainly SAFETY RULES paragraph The symbol A on the equipment means SEE USER S MANUAL In this manual may also appear as a Caution or Warning symbol WARNING AND CAUTION statements may appear in this manual to avoid injury hazard or damage to this product or other property USER S MANUAL VERSION Version Date Software Version May 2013 v1 04 02 TVHUNTER USER S MANUAL SAFETY RULES A The safety could not be assured if the instructions for use are not closely followed Use this equipment connected only to systems with their negative of measurement connected to ground potential The mains adaptor is a Class equipment For safety reasons it must be plugged to supply power lines with their ground This equipment can be used in Overvoltage Category I installations and Pollution Degree 2 environments The mains adaptor must be used only indoors It can be used in Overvoltage Category II facilities and Pollution Degree 1 environments When using some of the following accessories use only the specified ones to ensure Safety Mains power adapter Car lighter adapter
17. Tools Help COM gt not used COM not available COMB gt TH ISDB T verl o4 02 03 TH ISDE T Figure 18 Main window of the TVHUNTER software Next we are going to explain in detail every menu option and the shortcut icon associated with each one May 2013 4 29 TVHUNTER USER S MANUAL ISDB T Ta It is the first menu in the menu bar Files generated and read by the program are identified with the PRO extension The program is not able to keep more than one configuration file in its memory The File menu includes following submenus in order to manage files gt New D It creates a new configuration file If you select this option and there is an existing configuration file in the program memory you will be asked to save the file before creating a new one gt Open SI It opens a configuration file If you select this option and there is a configuration file in the program memory you will be asked to save the file before opening a new one gt Save Ea It saves the current configuration file with the same name gt Save As It saves the current configuration file with the name the user wishes gt Exit Bi It closes the program If you select this option and there is a configuration file in the program memory you will be asked to save the file before exiting The Edit menu allows you to set parameters and edit TVHUNTER messages gt Point il It enables you to define every detection poin
18. ad the TVHUNTER with a file of detection points you already have follow these steps Double click on the icon TVHUNTER which is on the desktop to open the program Click on the icon S Open file It appears a window of the OS Windows Find the place where the file is select it and press Open The file is loaded into the program Now you can send it to the TVHUNTER To send the file to the TVHUNTER connect the USB 2 0 cable which is supplied with the instrument from the USB of your computer to the mini USB input of the TVHUNTER Click on the icon Detect COM port The program starts to scan the computer ports to find the one connected to the TVHUNTER Once the com port has been detected the icon lights up and the program shows a confirmation message on the log window to indicate that the communication is successful Click on the icon Send data to the equipment he program sends the file to the TVHUNTER Now it has a new table with new detection points If there was already a table in the TVHUNTER when you transfer the new file overwrites on the old one May 2013 4 43 USER S MANUAL 4 3 3 ia How to change the Auto Scan parameters 4 44 Turn on the TVHUNTER in Manual Power Off mode to avoid shutdown when editing parameters To enable the Manual Power Off when turning on hold the key Sf or for eight seconds You should see the MANUAL POWER OFF icon H screen Connect the TVHUN
19. ate a file with detection points follow these steps Double click on the icon TVHUNTER which is on the desktop to open the program Click on the icon D Create file Click on the icon Edit Detection Points This action opens the window for editing detection points In the box Select Index to edit a test point use the arrows to select the detection point you want to edit from 1 to 50 Change the frequency channel name etc and enter the data corresponding to the channel you want to measure Some parameters are not editables After finishing with one detection point go to the next you want to edit or press OK if you have already finished and you want to save the changes made If you do not want to save the changes made press Cancel If you want to change some parameters of the general configuration such as the external voltage the sound or the scan parameters press Edit equipment configuration and change it After changements press Save file to save the file with the table of detection points you have just create It appears a window from the OS Windows where you should select the place where you want to save the file write a name and press Save You have your first file To load the new file created follow the steps explained on the next section 4 42 May 2013 USER S MANUAL 4 3 2 How upload the TVHUNTER with a file of detection points In order to uplo
20. cted by localising a power maximum you should check if the received signal corresponds to anyone of the test points memorised Select the identification function 2 gt IDENTIFY by pressing the key 121 The key 2 enables you to change the selected test point or the layer in a sequential way see next figure After a while at the test point if it locks the signal first it shows the layer A of the test point and pressing again shows the layer B and C if there are If does not lock the signal or the user does not wait long enough for the locking pressing this key moves to the next test point To select a specific test point press repeatedly this key until the display shows the name assigned to the desired point Each time you press shortly this key it advances to the next Test Point or layer If you press longer 1s this key it goes back to the previous test point or layer If you want to go to the first Test Point TP1 you should press the key 3 1 for 1s May 2013 3 19 TVHUNTER oo TPoo B 2 gt TPOO TPOl1 bl Uy J Te l Figure 15 Rotation of active test points When you select a specific test point the name and frequency assigned to that point is displayed on the screen On the top line of the screen it appears the number of the detection point you are identifying from TPO1 to TP50 maximum After selecting a test point if it is detected a signal with a valid transport stream
21. d and the required response is returned if the command so requires followed by a new CR LF After receiving an erroneous command the TVHUNTER answers with a NAK code instead of an ACK and there is no response After that it will be in XON State waiting for new data Commands should always be sent in capital letters and cannot be edited on line i e once a character is received it is stored in the TVHUNTER 4 buffer and cannot be removed by sending an erase code Commands in remote control are divided into two groups orders and interrogations Orders modify a variable or the instrument status Interrogations respond with information concerning instrument status or the value of a variable For interrogative command it is necessary to add the character after the character May 2013 4 39 TVHUNTER USER S MANUAL ISDEB T T e A typical communication chronogram would be as follows TVHUNTER PC Controller XON nc gt at 2 seconds intervals XON 7 _ wee gt ER k VER CR XOFF s wwenee gt ACK validation gt execution optional response lt respuesta gt CR LF gt XON 7 gt From the point of view of the programmer the control sequence follows the next steps Wait to receive a XON Send a complete command string Send a CR Receive a XOFF as confirmation that a complete command has been received and is being processed Receive A
22. e instrument the file with the points of detection for the area where is going to work Parameters that appear in the editing window are selectable by the user There are two other parameters that do not appear in the editing window because the TVHUNTER can detect and configure them automatically They are the Code Rate Constellation Spectral inversion FFT Mode and Guard Interval In order to set the parameters of the detection points select the Point option In the Edit menu or click on the icon cil The Detection Points Editor window allows you to define each point of detection see next figure Detection points editor Select index to edit a test point E Frequency HNM KHz Specte FET Mode E r Guard Interval 1 r Bi Filter g 6tandard S 0B Channel Mame 8 chars E Figure 19 Configuring Detection Points May 2013 4 31 TVHUNTER USER S MANUAL ISDE T T e In this window there are next fields Select index to edit a test point This field identifies every detection point with a number There is a total of 50 detection points numbered from 1 to 50 To edit a specific detection point you should enter the corresponding number using the arrows to increase or decrease the counter Frequency In this field is entered the frequency for the multiple channel you want to tune This frequency should be between 170 MHz and 858 MHz Out of these range is not valid Spectral in
23. e see section 3 3 23 TVHUNTER USER S MANUAL ISDE T Te To turn off the instrument simply press the key S 1 2 or O 3 for more than two seconds As time goes by the demodulator circuit tends to measure better due to it includes an input signal tracking and an adaptation algorithm Therefore to ensure a good quality at reading signal you should wait for some additional measurements NOTE For the final step of precise adjustment and the optimisation of the signal quality it is important to select the most critical test point This will guarantee the quality for other points with better conditions 3 4 ig Equipment Configuration Along with the computer software it is provided the control software named TVHUNTER that allows several operations on your instrument The most important function of this software is that allows you to create a table with different points of measurement Later on it is loaded into the instrument through a USB cable Each of these measurement points has associated a name and a frequency that corresponds to a multiple channel The user can load the configuration with the measurement points corresponding to the area where the instrument will work because the multiplex channels can change depending on the geographic area The equipment can store up to 50 measurement points which is enough to cover any geographical area In addition the user can also configure the auto scan pa
24. ee eee e eee eeeees 4 33 4 2 6 Messages Configuration pp 4 36 W277 VOOR MSN 4 37 4 2 8 Remote Control of the INStrUMENL c cece eee ee cess eee eeeeeeeeeeeeaas 4 38 4 2 9 Menu Help 4 4 41 4 3 Practical examples ee 4 42 4 3 1 How to create a file with new detection POINtS ccccee eee e eee eeees 4 42 4 3 2 How upload the TVHUNTER with a file of detection points 4 43 4 3 3 How to change the Auto Scan parameters 7 4 44 ER 5 46 6 49 6 1 Cleaning Recomimienmgatlions arsrsesricrrronsniierer ena a 6 49 FUSES ores eck es es eee ee ee eee dee een aaa E 6 49 TVHUNTER USER S MANUAL DIGITAL TERRESTRIAL TELEVISION HUNTER ISDB T TB TVHUNTER 1 GENERAL 1 1 a Introduction The implementation and consolidation of the digital TV has been a great improvement in television reception worldwide In addition to increasing the quality of picture and sound the digital standard has added a range of useful services to the user such as digital teletext electronic program guide subtitles multiple audio languages access to radio channels etc This has helped to create a more TV retroactive to the viewer This change requires adaptation and application of simple installation procedures ensuring the quality of the signal received The TVHUNTER is the solution for the installers because it allows making all necessary measurements in a quick way achieving the best quality of
25. ent These files can be also transmitted from the instrument and received by the computer where is installed the software in order to be read by the interface and if necessary reconfigured and sent back From the program the user can set the detection points parameters like the channel name frequency channel and other measurement data guard interval spectral inversion etc adapting them to the channels the user wants to measure Once created the file containing the table with the detection points it is loaded into the TVHUNTER Then the installer will use these detection points to track measure and check these channels In digital terrestrial television due to the large number of channels at national regional and local levels it is advisable to have several configurations one for each area In this way the installer can load on the instrument the file with the points of detection for the area where it is going to work If the installer could not configure the test points or they are unknown he has the option to start an auto scan to detect which channels are received in the area May 2013 USER S MANUAL 4 1 2 E Hardware and Software Requirements The minimum requirements for the installation and proper operation of the application are the next gt Hardware requirements Computer IBM compatible Pentium Computer or higher 7 MB of available space on the hard disk Internet connection gt Software requirements
26. es editor Select the message to edit current l 012345678 9ABCDEFGH a edited Cancel Figure 21 Text messages editor window The TVHUNTER uses 57 text messages There are two messages that user can edit The message number one user and the message number two Company The rest of messages are blocked and protected by password They are accessible only by qualified staff You can difference between editable and non editable messages because in editable ones letters are in black and in non editable ones they are in grey To modify a text message first you should click on the Select the message to edit box and put the message number to edit You may also use the arrows next to the box to increase or decrease the counter At the edited box it will be shown messages When displaying at the box Edited the message to edit click on it and edit the text If during editing you want to restore the previous text which appears in the box current click on the icon l Digits and letters above the box edited mean the amount of characters that accepts each message Once edited click on OK to exit saving changes or Cancel to exit without saving 4 36 May 2013 USER S MANUAL Tools menu includes next options gt Detect This option scans all existing computer ports searching the port that is using the TVHUNTER As the program checks ports these are displayed i
27. gure 14 If it Is not the active function then press the key 1 to select it The purpose of this function is to find the best orientation for the antenna For that you should place the antenna where you receive the most powerful signal from the transmitter source Connect the instrument to the antenna socket On the screen you will see two horizontal bars that can vary depending on the power signal The upper horizontal bar keeps the maximum value measured during tracking The lower horizontal bar shows the signal power in real time On the lowest part of the screen is displayed the power in percentage equivalent to the figures shown in the charts In addition to these bars there is an audible signal configurable through the setup menu that varies depending on the power signal from low tone low power to high tone high power If no signal is detected the display will show horizontal bars at minimum level and the percentage of power rate at 0 There will not be either audible signal and it will appear the message SIGNAL NOT DETECTED 3 18 May 2013 TVHUNTER ISDE T T e USER S MANUAL Figure 14 DETECT function Active function indicator Real time power bar Percentage of the real time power Battery status External power supplied Maximum measured power bar Percentage of maximum measured power 3 3 2 Identifying multiplex channels 2 gt IDENTIFY Once the transmitting source has been dete
28. he RF connector When the battery is flat you will hear an acoustic indication and the screen will show the message LOW BATTERY Afterwards if the battery is not in charging yet it will show the message VERY LOW BATTERY and it will emit a warning acoustic indication If it is not immediately connected to the mains the instrument will automatically switch off 2 1 3 Battery Charging To fully charge the battery connect the mains adapter to the external power supply input a 4 see Figure 6 with the TVHUNTER switched off Then connect the adapter to the mains The charging process will start automatically The instrument will emit an acoustic indication and the display will show the charge percentage and for how long the battery has been charging figure 1 Li Ion BATTERT CHARGING GHA ELAPSED TIME HH 2 86 Figure 1 Battery charging May 2013 2 3 USER S MANUAL When charging is completed the instrument emits a long acoustic indication showing the message FULL BATTERY and it is automatically disconnected from the mains The charging time depends on the state of the battery If the battery is completely flat the charging process will take around 90 minutes The charging process must be carry out in a range of temperatures between 5 C and 40 C IMPORTANT NOTE At starting the battery charging process and using the instrument for a long period of time it could be observed a heat
29. he percentage of noise signal from which it Is considered that the equipment has detected the signal It is recommended a value around 10 Over this value the equipment will beep varying pitch depending on the power signal Below this value it will not beep MER threshold for high quality signal This field allows you to define the MER threshold from which it is considered that a signal is a good quality one External Power Supply Control for Amplifiers It allows you to active ON or to disable OFF the external voltage for Amplifiers This value will be applied on starting the DETECT function of the TVHUNTER If the user disables this option and later selects a voltage on the configuration menu of the TVHUNTER the voltage will not be applied This option avoids than a user may accidentally apply voltage to an antenna SCAN There are four boxes for the configuration parameters of the scan from 1 to 4 Each box contains the same parameters The following describes in detail gt Enable Checking this box it enables scanning When performing the auto scan only works with the enabled scans The default scan 1 must be always enabled gt Start Freq MHz Start frequency of the scan gt End Freq MHz End frequency of the scan gt SCAN BW The step in MHz used by the system to find channels from the start to the end frequency gt Initial Char First character assigned to all channels during scanning May 2013
30. ing of the instrument This heating is normal in the power margin that must be dissipated according to the battery charge status IMPORTANT NOTE If the equipment is operating and the voltage adapter is connected the charging process will be longer It will depend on the consumption 2 2 a Starting Up and Main Screen Next it is explained steps to follow when starting up the instrument Press any key J 1 2 3 for two seconds approximately The instrument will start up in auto power off mode It means that the instrument will automatically switch off tf you do not press any key for 5 minutes If you wish to cancel the automatic power off you should keep pressing down the key 3 1 2 or 3 for eight seconds when starting up the instrument until it appears the message manual power off on the display At the top of the screen appears one icon for this mode On starting up you will see the instrument presentation screen Figure 2 2 4 May 2013 TVHUNTER ISDEB T Ta USER S MANUAL PRONAX ELECTROHICA S L Figure 2 Instrument Starting Screen Next a screen will display the instrument s name company and user names editable by software and the current version of firmware Figure 3 TYHUNTER USER YOUR HARE C0 YOUR COMPANY U1 64 62 C 26135 IPH HHEBHHHE 1 Figure 3 Name of the instrument TVHUNTER user s name company firmware s version v1 04 02 year and serial n
31. long the frequency range set by the user 9 SCAN Me OFF Te 1 CANCEL SCAM 1 gt 462 BNHZ 473 IMHZ BW 6MHZ 80353 1MHZ gt SCANNING CHANNEL C14 CHANNELS FOUND 4 Figure 11 Scanning process The auto scan is configurable by the user through an application software see TVHUNTER Software section The user can set up to four different scans defining the frequency range and the scan of the step among other features They can also been enabled or disabled by the user For more information about how to configure the auto scan see section General Configuration of the Instrument May 2013 3 15 TVHUNTER USER S MANUAL ISDEB T Te On screen the progress bar placed at the middle of the screen shows the progress of the current scan On the line above there is some information about the scan on the left there is the number of scan next to it a symbol if the background is black indicates this scan is active and on the right the frequency being scanned at the time next to it a play symbol if the background is black indicates the channel detection is working On the line below there is the range of frequency scanning and in between the scan step per channel Both the frequency scanning and the scan step can be set by the user using the software application At the bottom of the screen the line Scanning Channel shows the channel being scanned and the line Channels Found the number of chan
32. n the log window showing their status available used not used When it finds the port where the TVHUNTER is connected it will be shown on the log window and the icon will light up This port will be the one used by the program to send or receive files If your PC does not detect the TVHUNTER install the USB driver available on the PROMAX website or contact the technical service gt Send BI This option allows you to transmit the configuration loaded into the program memory to the TVHUNTER The program sends the configuration through the port where is connected the TVHUNTER If it does not know what port is it will check all existing ports If at the end it cannot find the port it will show an error message at the log window Receive l This option is the same as the previous one but in the opposite direction The configuration is transmitted from the TVHUNTER to the program memory Take in account that if you select this option and there was a configuration in the program memory it will ask you for save the configuration before the transmission After that the TVHUNTER sends the configuration through the port to which it is connected If it does not know the port it will check all existing ports If at the end cannot find the port it will appear an error message at the log window If it finds it it will start transmission May 2013 4 37 TVHUNTER USER S MANUAL ISDB T Tz gt Editor NI This is an option only
33. ndFeqMHa 8165 End Freq MHz 488 End Freq MHz SCAN BY C BW SMHz C BW MHz C BW 7MHz BW 8MHz SCAN BW C BW SMHz C BW 6MHz BW 7MHz C BW SMHz SCAN Bi C BW 5MHz BW 6MHz BW 7MHz C BW 8MHz SCAN BW C BW 5MHz C BW 6MHz C BW 7MHz BW 8MHz fa v Initial Char 1 Initial Index B Initial Char C Initial Char 2 Initial Index 3 D Initial Char 4 I Initial Index Initial Index Units Selection Backlight Mode AUTO Sound Selection BER selection Enabled CBER with Bar Display Contrast Min Max Figure 20 General Configuration of the instrument At the General Configuration window see figure above there are displayed next fields Initial detection point index It allows you to define the margin of detection points that will be sent to the TVHUNTER This field indicates what point will be the first one to be sent of those selected To increase or decrease the index number you should click on arrows which are next to the box May 2013 4 33 4 34 USER S MANUAL Last detection point index It allows you to define the margin of detection points that will be sent to the TVHUNTER This field indicates what point will be the last one to be sent of those selected To increase or decrease the index number you Should click on arrows which are next to the box Minimum noise level to detect signal In this field you should enter t
34. nels detected so far The name given to each channel is according to some parameters set by the user through the software application When it detects a channel with programs it beeps and increases in one unit the counter Channels Found When one scan is finished it goes to the next one until the fourth and last after which the process ends The auto scan goes through the four scans even if one of these scans is disabled In that case it shows a message scan disabled on screen and goes to the next scan By default scan 1 must be always enabled At the top of the screen appears the available options These options change depending on the status of the Auto Scan They are gt Cancel Scan during the scan This option works pressing the key 1 during the scan This option appears during the scan After canceling the fourth and last scan the user can start a new scan starting from scan 1 or discard the results obtained gt Discard after finish or cancel This option works pressing the key 1 after canceling or finishing the last scan It discards all the scans done then all found channels are deleted and goes back to the Detection screen gt Rescan after finish or cancel This option works pressing the key 2 after cancelling or finishing the last scan It starts the whole auto scan starting from Scan 1 gt Save after finish the scan This option works pressing the key 3 after finishing the last scan and
35. put power 5 W 2 5 W for 5 V BACK LI GHT DISPLAY 5 46 Automatic May 2013 USER S MANUAL POWER SUPPLY Battery Low battery indication Charger Autonomy Charging time Temperature of start charging Mains Adapter External Voltage Consumption 7 4 V 2 2 Ah Li lon Battery Acoustic indication and message on the display Built in It disconnects power supply when charging process ends 5 hours typically without powering any amplifier through the external power supply 90 min approx starting from a complete discharge instrument off within the margin of tolerated temperatures Between 5 C and 45 C Outside this range of temperatures the charger will not initiate the charging process At high ambient temperatures the charging process will not be carried out in continuous mode because the charger circuit has a heat protection device that disconnects this circuit when it is over 45 C returning to connect itself when it is above 40 C 90 250 V 50 60 Hz included 12 V DC 20 W OPERATING ENVIRONMENTAL CONDITIONS Altitude Temperature range Max relative humidity MECHANICAL FEATURES Dimensions Weight INCLUDED ACCESSORIES 1x AL 101B 1x AA 012 1x AD 055 1x AD 056 1x AD 057 1x CA 007 1x DC 270 1x 0 PG4378 1x 0 MF0O180 1x 0 DGO103 1x 0 DGO112 May 2013 Up to 2000 m From 5 C to 40 C 80 up to 31 C decreasing lineally up to 50 at 40 C 180 mm A x 9
36. rameters such as the frequency range and the step The software also allows you to set various parameters of the instrument and edit some text messages on the screen such as the user s name and the user s company Once you have configured your instrument in order the new settings take effect it must be restarted 3 24 May 2013 USER S MANUAL All the necessary information for the computer s configuration and the use of the TVHUNTER software can be found in the next section CONTROL PROGRAM PC NOTE To update the software version and the user s manual access the download area at the PROMAX web page www promaxelectronics com May 2013 3 25 USER S MANUAL 4 SOFTWARE APPLICATION 4 1 4 1 4 26 description S The TVHUNTER Software configuration is the complementary software application for the measuring equipment TVHUNTER The TVHUNTER esign is based on a microprocessor which allows data to be exchanged between the instrument and a remote controller usually a personal computer via an USB 2 0 cable So the TVHUNTER can transmit receive store and modify different settings and parameters which gives it a great versatility This program works with file texts in PRO format A PRO ile is a text file that can be edited using the program interface to define the TVHUNTER detection points and configuration parameters Once this is done it can be saved and sent to the instrum
37. rror rate before the Viterbi correction process CBER and after it VBER LBER Measurements are shown on the screen in a graphical and alphanumerical way see next figure The unit of measure of the power average is configurable by software It can be selected among dBuV dBmV or dBm 3 22 May 2013 May 2013 USER S MANUAL Er BOF ES 8 CEE FR 531 HH 9 PONER 7a Sd a Figure 17 ADJUST function Sequential number of the test point and layer Active function 3 Adjust Test point Name terrestrial multiplex name stored Transmitter power measurement CBER measurement Remaining battery power External power supplied Signal locked Frequency MER measurement and Link Margin VBER LBER measurement Once the antenna is properly oriented the user can measure another test point of the equipment A short press on 3 advances to the next test point If it is a long press 1 s goes to the previous test point or layer To return to the first test point TPO1 press holding on 9 1 When moving the antenna the signal noise ratio MER exceeds the quality reference value the instrument will emit a high pitched audible signal and the word MER will become bold MER If the MER value is below the quality reference then the instrument will emit a low pitched audible signal and the word MER will not change To configure the quality reference value use the remote control softwar
38. s if the detect utility has been executed from the main window If that is the case Terminal uses the same port already detected otherwise looks for the value saved in the Windows Registry If there is no value it uses the default value of COM2 If after that Terminal chooses a wrong port you will have to select manually the correct one using the following keys May 2013 USER S MANUAL If Terminal choose a wrong port you must select the appropriate port manually using the following keystrokes For COMI Alt 1 For COM2 Alt 2 For COMS Alt 3 For COM4 Alt 4 In normal circumstance TVHUNTER transmits a XON code code 11h every two seconds The aim is to indicate that the instrument is ready to receive data from a remote device When it receives a this character means the start of a remote control the XON transmission stops and the echo of all characters received is returned until it receives a CR carriage return code ODh At that time TVHUNTER understands that it has received a complete remote command and then it identifies and executes it To indicate to the control instrument that it is in busy status it sends a XOFF code 13h If the command is received as valid an ACK acknowledge code 06h is transmitted and if is not valid a NAK not acknowledged code 15h followed by a CR carriage return code ODh and an LF line feed code OAh If the command has been recognised as valid it is execute
39. send the file to your equipment The equipment shuts down and restarts again Now the TVHUNTER has loaded the new data for the auto scan When you transfer the new data overwrites on the previous one If you want to save the program file with the new data to your PC click on the Save file icon and choose the name and location to save the file You can now close the program disconnect the TVHUNTER from the PC and start the auto scan with the new configuration 4 45 USER S MANUAL 5 SPECIFICATIONS A TUNI NG Frequency range Measurement points RF I NPUT I mpedance Connector Level range Maximum signal level MEASUREMENTS I SDB T Tg Data display 170 MHz to 858 MHz UHF 50 maximum 75Q Universal including BNC DIN and F interchangeable adapter 40 dBuV to 100 dBuV DC to 100 Hz 30 Vrms 170 MHz to 858 MHz 120 dBuV Power CBER VBER MER C N and Noise margin Numeric and level bar MARGIN OF POWER MEASUREMENT I SDB T Tg From 45 dBHV to 100 dBHV I SDB T Tg SI GNAL PARAMETERS Code Rate Spectral inversion Demodulation Layer Mode Guard Test point setting 2 3 1 2 3 4 5 6 7 8 ON OFF QPSK 16QAM and 64QAM A B C 1 2k 2 4k 3 8k 1 4 1 8 1 16 1 32 Through USB 2 0 to PC cable included and free download software EXTERNAL UNITS POWER SUPPLY SUPPLY Output voltage Through the RF input connector 5V 12V 15V 24V 1V Maximum external out
40. t and related parameters These are frequency name guard interval etc See section Configuring detection points for details gt Config xil It enables you to edit general parameters of the program such as detection points to send threshold of quality signal noise ratio auto scan parameters etc See section General Configuration of the Equipment for details gt Message Ef It allows you to edit some messages that appear on the TVHUNTER See section Configuring text messages for details May 2013 USER S MANUAL 4 2 4 ia Test Points Configuration The test points are the points of measurement that the TVHUNTER uses for analysis and measurement of digital terrestrial channels The table with the points of test must have been previously created configured and loaded on the instrument Subsequently when a specific detection point is selected and the TVHUNTER detects a channel that matches with the parameters of that test point the instrument identifies the signal extracts the name of the transport stream received and displays it on the screen After identification the instrument can perform the measurement of the signal power and the MER CBER and VBER LBER In the case of digital terrestrial television due to the large number of existing channels adding national regional and local ones it is advisable to have several configurations grouped by area In this way the installer can load on th
41. the instrument shows the symbol at the top right corner white letter on a black background which means the signal has been locked and next to the test point appears the corresponding layer A B or C Then try to obtain the network name and its services When this information is detected it will be shown on the display Sometimes this could cause a reduction in the amount of identifying text characters in order to adjust them to the screen size 3 20 May 2013 USER S MANUAL Ax PROMAX EIEENTITEI POF Ie om Cee FR 531 GMH2 HET PROMAR Ty OWE PROMAX CHe1 So Figure 16 1DENTIFY function USB conect Manual Power off Function 2 Identification Test Point Name Channel Services Remaining battery power External power supplied Locked signal black background Frequency Number service Total services Frequency Network Maybe it could not get any ISDB T Tg signal or with a valid Transport Stream or even not a RF signal Then it will appear the TE symbol white letter on a black background at the top right corner and the name of the test point memorised If later on it achieves to lock the signal it will update the services list of the layer and the colour of the symbol shown will change white letter on a black background The identification system is based on a database of test points Each test point corresponds to a frequency and a multiplex channel of a broadcasting compan
42. umber Finally it will appear the Detect screen 1 gt DETECT May 2013 2 5 AA PROMAX USER S MANUAL 2 3 Main Screen Description The top line of this screen is the same one for all functions of the equipment Next it will be explained the icons and messages that can appear depending on the situation At the top left corner it is shown the active function There are 2 6 three different states or functions 1 DETECT 2 IDENTIFY and 3 ADJ UST 1 DETECT MAA POWER RATE POWER RATE Figure 4 Main Screen on Detect Screen When using the TVHUNTER it may appear on the display some messages and icons depending on the status or event is taking place These messages and icons are detailed below The running temperature is too high The instrument must be HIGH TEMPERATURE switched off for a while If the problem persists contact with the technical support May 2013 TVHUNTER ISDE T T USER S MANUAL At right top corner next to the messages the following icons may appear Power supply connected I SDB T Te signal locked Battery power level Manual switch off ISDB T T signal not locked ki i JSB Connected to PC through a USB port TB External voltage supplied through the RF connector Je 127154 24 0FF 5wazw15w24WOFF May 2013 2 7 TVHUNTER USER S MANUAL ISDEB T Te 3 OPERATING INSTRUCTIONS 3 1 a Description of Controls and Elements Front panel Display
43. vailable values Available setup options are gt START AUTO SCAN It starts the auto scan function refer to section 4 2 1 gt EXTERNAL SUPPLY This is the voltage that the instrument can provide to the antenna through the RF connector Available values are OFF 5V 12V 15V 24V gt SOUND CONTROL There are three different options ON OFF and BEEP The option ON emits a sound that varies in tone depending on the input power and also sounds a beep when pressing a key The option OFF does not emit any sound The option BEEP emits a beep every time you press a key but does not sound the power detector 3 14 May 2013 USER S MANUAL gt BACKLIGHT MODE Actives ON or disables OFF the back light of the screen The AUTO option actives the back light when the user is pressing keys After one minute without using the instrument the back light turns off gt CONTRAST LCD Allow to chose between four contrast levels gt CONFIRM amp EXIT After making changes in the setup menu you should use this option to confirm and apply the values and exit the setup menu ATTENTION From the DETECTION screen pressing the key 1 you can change between OV OFF and the voltage selected in the option EXTERNAL SUPPLY This voltage is displayed at the top right corner of the screen This voltage will be applied on the IDENTIFY and ADJ UST stage The Auto Scan function scans the frequency band of the DTT ISDB T Tp a
44. version The TVHUNTER performs the spectral inversion automatically when the tuner is not locking FFT Mode Signal transmission mode Guard Interval The purpose of the guard interval is to introduce immunity to propagation delays echoes and reflections BW Filter Define the bandwidth of the signal Select among the available values 5 6 7 or 8 MHz Standard Selection of the digital terrestrial standard between ISDB T or 1SDB TB Channel Name You may assign a name up to eight letters to each detection point These names will appear on the TVHUNTER screen identifying every detection point See a practical example of how to configure and load test points in the section How to create a file with new detection points 4 32 May 2013 USER S MANUAL 4 2 5 General Configuration of the Instrument In order to modify the general configuration of the instrument you should select the Config option from the Edit menu or click on the icon at Configuration editor ae H Initial detection point index Minimum noise level to detect signat 110 Last detection point index 50 4 External Power Supply Control for Amplihers f EPS CONTROL ON C EPS CONTROL OFF MER threshold for high quality signal 1210 dB SCAN 1 SCAN 2 SCAN 3 SCAN 4 lv Enable Enable Enable fw Enable 474 0 Stat Freq MHz 177 0 Stat Freq MHz 5295 Start Freq MHz 1308 Start Freq MH2 8580 EndFeqMHa 2132 E
45. y Test points can be defined and updated to the instrument by the user via software refer to the software manual section or they can be detected and memorised in the instrument by mains of the Auto Scan function refer to auto scan section May 2013 3 21 TVHUNTER USER S MANUAL ISDEB T Te The instrument can store up to fifty points of detection Each test point is defined with a name up to 8 letters which appears on the display when ts selected The number of active test points can be also selected 3 3 3 a Antenna Adjustment for Optimum Signal Quality 3 gt ADJ UST Once the antenna has been positioned in order to receive the maximum power and you have identified the multiplex it should be adjusted to achieve the maximum MER level and therefore the best quality at reception Through the function ADJUST you should check every access point of the telecommunication facility according to the characteristics and rules of your area Check what rules or decrees are applied on your country or area To select the function 3 gt ADJUST you must press the key 3 When a Signal with a valid transport stream is detected the TVHUNTER shows the network at the top line and the sign at the right corner Next to the test point appears the layer This function measures the ratio between the ISDB T Tg average power and the noise average in a constellation MER Next to it it shows the measure of the Link Margin It also measures the e
46. y 2013 3 11 TVHUNTER USER S MANUAL ISDB T Ta gt From the IDENTIFICATION screen 2 IDENTIFY E OFF es C g FR 531 MH2 NET PROMA TU SERVICE LIST 1 PROMAX CHa Figure 8 DENTIFICATION screen to It goes to the DETECT screen Se oq It goes to the next layer A B C of the test point o to the next test point ore Ce E pisemo C y 3 12 May 2013 TVHUNTER ISDE T T USER S MANUAL gt From the ADJ UST screen 3 ADJUST OFF C66 FR 331 MHz POWER r9 SdBU HER 35 BdB Lr gt 20 2dB CO CBER l HE S UBER l BE 8 Figure 9 ADJUST screen It goes to the DETECT screen Ton It goes to the first test point oq It goes to the IDENTIFICATION screen It turns off the equipment It goes to the next layer A B C of the test point o to the next test point It goes to the previous test point It turns off the equipment May 2013 3 13 USER S MANUAL To access the setup menu from the DETECT screen press and hold the key 1 for 2 s approximately until appears the setup screen Fig 10 SETUP LJCANCEL 2 OPTION gt START AUTO SCAH EXTERNAL SUPPLY SOUNO CONTROL BACKLIGHT MODE CONTRAST LCD COHFIRA amp EXIT Figure 10 Setup Menu Once inside to move along the setup menu press To exit the setup menu To move along the setup options To move among the available values of a menu option or to accept when there are not a
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