cable tv leakage meters ams2010 series
Contents
1. Fig 35 An example of the quiet cable TV network visualized in StealthExplorer When you choose the Gradient option you can darken the field Pass fail You can then enter an electric field value in the dialog box below the Pass fail field All the points with leak values higher than the entered value usually it is 20 uV m and with the tagger signal detected by the CLI meter will be displayed in red The route points with levels higher than 20 uV m but without the tagger signal detected will be marked with green If you choose the About option you can enter the short description of the map The description is saved together with the map in a file with the gpscli extension Pressing the Level button you can choose a given route point on the map using the pointer The leak RF field maximum minimum and or average values for that point will be displayed on the screen You should tick the proper checkbox Min Max Average After pressing the Show level button the window Chart level position appears see figure below If you indicate the measurement point on the chart use the mouse then double click the left mouse button you will see the part of the map corresponding to the level the part of the route pointed out by the cursor The cursor position corresponds to the leakage value shown on the graph Route l e x 0 uV m 15 u m 30 u m 45 uV m xj Load the map fy Map BB Level gr2. OODDDDOL Widok G wne warstwy 3 J e Podstawowa baza danych aO E Witryna geograficzna EZ Drogi E EY Budynki 3D M P Granice i nazwy geograficzne Imago O gt lage amp E ined j 122 S 12009 Geoc cen Giobat A x LE 3 Y yA x 4 ah uf Tele Atlas A m F 4 M a n B U yteczne miejsca M WA A 156558 05 CX IPin 12450949 40E wys 88m Przesy anie MISIONES HH 1009 e Wysoko pun nidzenia 1 77 km Start servant Salamander Eh Rapor y Rom os Fig 32 Measurement route with displayed leakage levels Ac Google Earth j z E3 Plik Edycja Widok Narz dzia Dodaj Pomoc Przejd do Znajd firm Po czenia drogowe Przejd do np Reservoir Rd Clayville NY u 1H amp Moje miejsca O p data kml dataFP kml O amp dataleakmarks kml eee oes O E Oznaczenie miejsca bez nazwy O GI Sightseeing Select this folder and click on the Play button below to start the tour HO gt data ki MM Widok G wne warstwy e Podstawowa baza danych L1 4 Witryna geograficzna V E Drogi E EY Budynki 3D E M P Granice i nazwy geograficzne y a 4 Galery i p K AE i j mmm 4 SP
3. ly Zaznacz Schowek ra a Scale fa Edytowanie exa kB Gradiem 6 B Level 4 Cha y Save Export E FmTilt q Aj MultiRoute m El DVB T H O decima Excel Minfo al al 5 Pres s 6 Pres i Strona 24 z 26 Wyrazy 1 580 d Angiels Start Servant Salamander iw ALMS Pro User s Guid i svol Fig 29 Save Export option 6 Press Export to software button verify if the Google Earth is selected Ba do6 omJuus LI jod M a p Narz dzia g wne Wstawianie Wini Times New Ri A3 Kopiuj wklej f Malarz format w E TU Schowek m bo L0 oo S hge 24 26 ecimal Excel MInfo Strona 25226 Wyrazy 1 580 d Angiels ts Start gt Servant Salamander T ALMS Pro User s Guid A sv pl Fig 30 Exporting to Google Earth 7 The Google Earth software should be launched if it has been installed on your PC The route with the measurement results will be displayed on the map Your computer must be connected to the Internet otherwise the Google map resolution may be very low or there will be no Google map at all if the maps have not been saved in the cache memory of you computer You can see the whole measurement route with spikes showing the leakage intensity the measurement route with the shown places where the leakage level was higher than 20 uV m and the tagger was detected red spikes
4. or the route with the absolute leakage level yellow pinpoints You can rotate the map using the Google Earth controls in the upper right corner It is possible to save the results in the Google Earth format Simply choose File from the Google Earth main menu and then Save gt Save places as The saved files can be directly downloaded to Google Earth you do not have to run StealthExplorer Simply double click the file with the kmz extension Google Earth Pro B 58 xj File Edit View Tools Add Help Search mi a P amp e B YY Featured Content L1 Global Awareness i Ig roads Google Streaming Eye alt 14964 08 km t GB Packet PC Google Earth Pro cod BRA ie 0PSWd ORO ws start mj Instrukcja obs ugi ALMS eg Sv_pl u untitled Paint Microsoft ActiveSync Fig 31 Google Earth starting screen Przejd do Znajd firm Po czenia drogowe Przejd do np Reservoir Rd Clayville NY L ydney Olympic Red Square Russian Federation Mount Saint Helens US Former Republican Palace Iraq Manhattan Island US Forbidden City China Reichstag Germany i Google Campus US GI Miejsca tymczasowe L M o data kml e Australa
5. s outlet or an amplifier or a signal generator like the portable test signal generator AMS2011 Transmitter from KABELKOM with an antenna The correct calibration means that the leak amplitude measured with the reference antenna has the same value as the leak amplitude measured with the calibrated antenna 4 5 FastLeak mode This mode allows you to quickly scan for leak sources nearby You can use it when you are locating a specific leakage source at home in a corridor along a trunked cable in a street or headend etc If you have a directional antenna a dipole for example you can quickly identify the leakage source using a triangulation method The meter operating in the FastLeak mode shows the results on the screen much faster than during regular measurements The move rotation of the antenna kept in your hand is immediately visible on the screen If you want to work in the FastLeak mode choose FastLeak mode icon AM and press Enter u The meter will display the FastLeak screen Fig 7 You can observe the measured leakage values in a similar way when you use the normal leakage mode see Section 4 4 Fig 7 FastLeak mode screen 4 6 Config mode The Config mode allows for setting up all the parameters necessary for correct operation of the meter If you want to choose the Config mode highlight the icon En with the left and right arrow keys in the Main menu and press Enter u The Configuration Menu will appear on the screen F
6. saves the measurement file lf you want to choose the antenna type press the key consecutively to sequence through the available antenna types you may choose Hand Car Upstream and Misc antennas For accurate measurements you should be sure that you have selected the correct type for the antenna you are currently using The most accurate and repeatable measurements are made using a dipole antenna located at the required reference distance usually 3 m You can also make approximate measurements pedestrian or mobile patrols leaks in an inaccessible area up to 30 meters away by entering the estimate distance from the leak The AMS2010 will calculate what the equivalent field amplitude would be at the reference distance These measurements especially done during the mobile patrols are adequate for grading found leaks and prioritizing your repair orders based on leak severity The antenna type is displayed on the bottom of the screen above the mM key The characteristics for each antenna type except handheld dipole are programmable and can be set up during the calibration procedure The antenna calibration is performed for antennas which parameters are not known This procedure is highly recommended for mobile antennas The vehicle body acts like a part of the antenna so the antenna characteristics depend on the antenna position on the vehicle roof and the vehicle model The calibration procedure should be repeated after the antenna po
7. The AMS2010 will calculate what the equivalent field amplitude would be at the reference distance These measurements especially done during the mobile patrols are adequate for grading leaks you have found and prioritizing your repair schedule based on leak severity The antenna type is displayed on the bottom of the screen The characteristics for each antenna type are programmable and can be set up during the calibration procedure The antenna calibration is performed for antennas which parameters are not known This procedure is highly recommended for mobile antennas The vehicle body acts like a part of the antenna so the antenna characteristics depend on the antenna position on the vehicle roof and the vehicle model The procedure should be repeated periodically or after the antenna position on the roof has been changed or the antenna has been moved to another vehicle The calibration requires a reference antenna with well known parameters The most common reference antenna is the half wavelength dipole The AMS2010 has predefined parameters for this antenna type If you want to measure the leak amplitude with the half wavelength dipole choose the dipole antenna Hand in the Config Menu or by pressing the WESS key repeatedly until you see Hand on the screen The calibration procedure requires a stable leakage source You can use a controlled leakage source from your cable TV network using an antenna or a wire connected to the subscriber
8. carrier for digital networks digital option available with KABELKOM s AM2 tagger only should be at the power level of digital channels see Fig 5 otherwise the leakage value will be incorrect If the leakage level is higher then a threshold value 20 uV m and the meter has detected a valid tagger signal one tagger frequency the conventional tagging method or two tagger frequencies KABELKOM s method the meter will beep The acoustic signalization is very helpful during mobile patrols when a driver cannot observe the screen of the meter If you use the conventional tagging method you should enter the same value for TAG 1 and TAG 2 frequencies in the Configuration menu see Section 4 6 If you want to stop the measurement press the Escape key 2 Pressing the power key e also stops the measurement If you want to choose the antenna type press the 2 key consecutively to sequence through the available antenna types you may choose Hand Car Upstream and Misc antennas For accurate measurements you should be sure that you have selected the correct type for the antenna you are currently using The most accurate and repeatable measurements are made using a dipole antenna located at the required reference distance usually 3 m You can also make approximate measurements pedestrian or mobile patrols leaks in an inaccessible area up to 30 meters away by entering the estimate distance from the leak see Section 4 6 for details
9. do lj y pee ES E 3x an A zj W ty AEST E LS S x m ics dor S BALATONLELLE b Ima Tas af Scale FE Gradient le Level E Save Load E FmTilt Max level 23 0 uV m Min level 14 0 u m Avg level 19 0 u m Show level Cancel Chart level position Position ARR BRO A pa 1 742 586 RENE CO E si ha HUE NT porter e Tn R z 8 4 547 335 Level joa ag a oc A AAA ME ESA 110 000 1 i 12 000 dBxx 50 0 i i i E i ha A P 11 000 30 03 ies M Aa TN d P i dl y P m 10 0 3 Oe RET ya a UN A ES sic r m i Trigger 0 20 4978 113 154 195 237 278 319 361 402 443 484 526 567 Fig 36 Leakage levels along the route The map can be saved as a gpscli file Choose the Save load button then press Save and enter the file name If you click the right mouse button the menu with some options appears see figure below Using these options you can save the map in a bitmap or JPEG format copy the map to the clipboard or change the size of the map Fig 37 Changing the size of the map gt T 100 o Show Level Sus ji UU ous Copy to clipboard 70 save as bimtap BOS gt save as JPG 50 A meets 40 DS dpa E a 30 205 IT Beto i i aX 10 NEA The maps in the gpscli format can be loaded and viewed later To do this choose the option View map and route in the Tools men
10. gt 4 Chod gt 5 Presg PA oo Strona 23225 Wyrazy 1 556 d Angiels 3 Start gt Servant Salamander ALMS Pro User s Guide Tryb zgodno ci Microsoft Word StealthExplorer pl 2003 2007 c 5 0 SDA CLI GPS MS Sy ALMS Pro UPC Ro SE amp y ALMS Ent UPC Ro SE 4LMS 4 ALMD CAD UPC Ro SE Ty ALMS Pro User s Guid a Calculator DigiCheck a Calculator QPSK QAM64 ALMS installer For PDA B Transfer map to PDA B Download measurement from PDA to PC dB View the SCLI file from PDA m Draw route GPSsim F1 m View map and route F2 Ch sv pl is c system AaBbCcl E Nyr nie Zmie E c 2 Program Files E KABELKOM E ALMS PDA 3 database o e SEMEN StealthE xplorer ESV csv r Properties Model Serial number Firmware Date of calibration Option Temperature Voltage of the battery Operator name Transmission statu Info Files in meter File e 3 Fig 26 Selection of Draw route IA GA Znajd al Zamie style lg Zaznacz fa Edytowanie Q 7 m Sua s s oo IL 17 50 L mg gt 3 Press the Load results software button Ca id 0 y 4 E amp y ALMS Pro User s Guide Tryb zgodno ci Microsoft Word ZENONE 1 po Narz dzia g wne Wstawianie TES StealthExplorer pl 2003 2007 c 5 0 SDA CLI GPS MS l Ox wytnij z
11. input from a measurement antenna The USB connector can be used for data transfer to your PC and for charging the meter battery by the charger or your PC If the meter detects the tagger or taggers and the leakage level is above a certain threshold 20 uV m you can hear a beeping sound You can switch on off the USB port at any time using the sej key When the port is off the meter uses its internal memory When the port is on the meter resources are available to any PC connected to the USB port You can copy the files from the AMS2010 to your PC When you are in the Main menu press the K2 SED software key You should see the USB Accept message on the screen Simply connect the meter with your PC using an USB cable The PC should recognize the meter memory as an external disk drive like a pen drive NOTE Some computer models may require an USB cable with an external ferrite choke for proper data transmission AMS2010 can work in the following modes of operation e Leakage e Leakage GPS e FastLeak e Spectrum will be available in the future e Configuration e Information The icon Gen is not used The modes and available options have been described in Section 4 4 USING THE AMS2010 The best way to learn about the AMS2010 is to use it The operation modes have been described step by step in the subsequent sections 4 1 Switching on off the meter To switch on the meter or switch it off press the red key fo
12. measurement results the AMS2010 meter should always have a valid calibration You should also install the visualization software StealthExplorer Simply download the software from KABELKOM s Web page and run it The installation program will guide you through the installation process If you want to use Google Earth for visualization of the results make sure that your PC is connected to the Internet and has Google Earth software installed 3 GETTING ACQUINTED WITH THE AMS2010 Fig 1 and 2 illustrate the location of controls indicators and connectors Fig 1 General view of the meter with the keyboard ABEL OD Fig 2 Location of input BNC USB and charger connect ors The basic parameters of the AMS2010 can be found in APPENDIX 1 The button O is used for switching the meter on or off The arrow keys left arrow gt right arrow 4 up arrow F and down arrow e allow to choose and edit the meter parameters and the current operation mode The ENTER key enables the current command or begins an operation in the chosen measurement mode The ESC key 2 is used to stop the measurement process or to leave a menu option With the key you can switch on or off the USB connector The software keys GB EB are used for choosing the option described above them on the screen the options depend on the chosen function of the meter so the software keys may be inactive in some modes The BNC connector is for signal
13. networks co exist you can determine if a detected leak is radiating from the network that you are testing The extended models AMS2010 GPS and AMS2010 GPS GE have built in GPS receivers and are specialized automatic leakage control systems They save leakage levels together with the geographical coordinates The measurement files can be processed in the attached software StealthExplorer or can be directly downloaded to Google Earth AMS2010 GPS GE for visualization on a map The AMS2010 meters make the accurate leakage measurements needed for verifying compliance with government regulations e g EN 50083 8 in the European Union countries or FCC Part 76 of the Code of Federal Regulations Title 47 in the U S A The type of antenna and the distance from the leak are taken into consideration when measuring field strength The device has been developed by people who have been by themselves detecting leakage sources in cable TV networks for many years A compromise has been reached between the meter dimensions 180x90x45 mm weight approx 0 35 kg and measurement detection accuracy The screen and keyboard have a light source to improve visibility in darkness and the comfort of operation The meter has been designed to be time and labor effective with an economic price versions can be tailored to customers needs and requirements and as a technologically sophisticated device for a quick detection of common and problematic leakage problems T
14. tagger frequencies KABELKOM s method the meter will beep The acoustic signalization is very helpful during mobile patrols when a driver cannot observe the screen of the meter If you use the conventional tagging method you should enter the same value for TAG 1 and TAG 2 frequencies in the Configuration menu see Section 4 6 The AMS2010 GPS GE allows for saving the measured values together with the geographical coordinates of the measurement points in the meter memory The file has the lv4 extension and is saved in the folder ddmmyy where dd stands for the day mm for the month and yy for the year of the measurement The Iv4 files can be downloaded to StealthExplorer and processed in order to prepare a map with the leakage measurement results The AMS GPS GE saves the lv4 file together with a KML file The measurement files with the KML extension can be downloaded directly to Google Earth for visualization and do not require any processing However if you want to obtain more information from the gathered measurement data you should use StealthExplorer The detailed description of StealthExplorer can be found in Section 5 The meter begins to save the data automatically AMS2010 GPS GE after the Leakage GPS mode has been chosen and the GPS position has been fixed If you want to stop the measurement press the Esc key A The measurement files will be automatically saved Pressing the power key O also stops the measurement and
15. to go back to the Config Menu You can also switch on or off the backlight and switch on off the GPS recelver to save energy Choose the proper Energy Saving option with Enter or the right arrow key amp and set the proper value with the up down arrow keys bd e Press the left arrow key gt or Esc e go back to the Config Menu Fig 20 Energy saving option The AMS2010 has some functions used for maintenance Highlight Diagnostics in the Config menu and press Enter u or the right arrow key 4 The Diagnostics submenu will be displayed see Fig 21 Fig 21 Diagnostics submenu If you want to check the built in GPS receiver choose GPS diagnostics and press Enter v or the right arrow key 4 The meter will display the geographical coordinates calculated by the receiver its soeed and the NMEA strings sent to the meter see Fig 22 Fig 22 GPS diagnostics screen The software update is possible after choosing Update from the Diagnostics submenu and pressing Enter KU or the right arrow key 4 You should connect the meter with your PC using an USB cable before you choose the option The meter will guide you through the update procedure NOTE Do not turn off the meter during the software update It is possible to restore the factory default settings To do so choose Factory settings from the Diagnostics submenu and press Enter d or the right arrow key If you want to save the current settings of the meter choose Save set
16. www stealthexplorer pl Connect the desktop computer to the network run StealthExplorer and choose the Application update option from the About menu The default Web browser window opens with KABELKOM s WWW site address Save the file with the update unpack it and replace overwrite the files in the PC folder Program FilesiKabelkomiStealthExplorer with the new files APPENDIX 1 TECHNICAL PARAMETERS GENERAL size 180 mm x 90 mm x 45 mm weight 0 35 kg storage temperature range 40 70 C operating temperature range O 50 C relative humidity noncondensing 9096 at 25 C POWERING battery type Li lon battery capacitance 3 5 Ah standard battery life 4 5 hours of continuous work depending on the operation mode and meter version meter charging via USB 5V 490 mA meter off 5V 800 mA meter on ELECTRICAL input BNC female 500 Q sensitivity typ 0 5 uV m E field meas range 0 3 2000 uV m at the input connector tuning frequency range 26 200 MHz frequency stability 2 5 ppm tuning step 1 kHz electric field measurement uncertainty 1 dB scan rate 1 255 scans second GPS receiver 24 channels receiving frequency 1575 42 MHz GPS scan rate 5 to 10 scans second GPS cold start less than 3 minutes GPS hot start typically less than 20 seconds COMMUNICATION USB serial connector Wi Fi optional automatically sends data Googl
17. 13 eZ Wl WIG y E ACA E o E Rod 13 4 3 Leakage GPS mode AMS2010 GPS SE esaae aaa aaa aaa aaa aaa aaa sese sene sane sane sane aser insi a e rne 14 44 LEAKAJE MOJE aD Mane eee merde dite Ao a ed a NNN 17 AS Fas tea MOB ai 19 AiO COMING INO CG R LEER 20 Ae MEO MOC Caspase t cess CEC O AA ROEE P O EA ME AR ac 27 5 Visualization of measurement results sessi 29 WOU IS SINOO WN PP E ER on O PEO EL EID 40 AJ SCM SUD DOME ri i Oo GO A nono a 42 APPENDIX Lorrens e A wi Jovan cite deans ne AE oi dixe Guo Cds kobiecy GE aa iP aa 43 APPENDIX 2 iE Medi EIL RA IM ele II eI OR MP 45 1 INTRODUCTION The AMS2010 series meters are high performance hand held meters designed for cable TV technicians to make RF leakage control and measurement easy They are highly sensitive devices designed to measure leakage magnitude and efficiently find leakage and ingress sources The AMS2010 series meters allow leakage measurement in analog analog digital and digital CATV networks The meters can be used during pedestrian and mobile vehicle patrols in the field The detection efficiency and reduction of false alarms in noisy environments have been achieved by tagging the measured signal The meters use a unique signal tagging method patent pending suitable for analog as well as digital cable TV networks The meters are compatible with the LT1000 signal tagger made by JDSU former Acterna WWG or Wavetek In areas where many cable TV
18. 8 i GA Znajd Times New Rom Functions Measurement applications Tools Configuration About AaBbCcl 43 Kopiuj al Zamie wiej UE BZ u e a e o x Wyr znie Zmie z E 1 Start 2 Filelist Stop transmission Close Configuration Meter GPSstat Sensor style M Zaznacz l Showk EL B Meter FE IPC computer es c system v Edytowanie 7 ION ssi Ba Bllll a E Program Files i3 o J Cho O E gt KABELKOM 3 StealthE xplorer Strona 23225 Wyrazy 1 556 d Angiels Start X ant Salamander Ti ALMS Pro User s Guid H sv pl Fig 27 Selection of Load results ALMS PDA Fr database M CSV csv v M Properties Model b GPS rs232 loop route view m ES Load results Draw the route Stop GPSsim Start GPSsim Into Files in meter File amp y ALMS Pro UPC Ro SE 4 amp ALMS Ent UPC Ro SE 4LMS w ALMD CAD UPC Ro SE AaBbCcl Nyr nie Es mM9 U 4 nj a ALMS Pro User s Guide Tryb zgodno ci Microsoft Word Narz dzia g wne Wstawianie StealthExplorer pl 2003 2007 c 5 0 SDA CLI GPSWS 29 Wi LJ UJ LJ a M Times New Rom Functions Measurement applications Tools Configuration About 33 Kopiuj sm wklej zu Borat oe e a w o E sJ Malarz format w 1 Start 2 Filelist Stop transmission Close Configuration Meter GPSstat Sensor Schowek rar B Meter Z
19. Choose the Gradient button and click the checkbox Gradient If you click and darken the Automatic circle the color scale displayed at the top of the window will be set automatically according to the maximum measured value If you enter a limit value in the field Manual and darken the Manual circle all points with the leakage level higher than the entered value will be displayed as blue points the default color can be changed in the list box menu below the limit field The function helps to identify the strongest leak points which should be repaired first If you click and darken the Standard circle the fixed standard color scale with the step of 10 uV m will be applied useful for result comparison 1 u m 10 u m 20 u m 30 u m 40 u m 50 uV m 60 u m 70 u m 80 u m 90 u m f Map PDA PocketPC Place Load the map ow Meus y A ER NS A WEE vl xi Meg af Scale EJ Level 3 Save Load E gs 0 g x FmTilt i uS 9 About Aj MultiRoute Gradient Automatic Max level 9 clFuchsia Min level 9 clLime Manual 6 R gt M ciBlue v Standard Fail Pass ZAS sala Pastis nr 3 im Boles awa sk UMS F H5 E 7 ze A C TAG n y 4 o NS Se s I CM EN t EAS A Bl ciNavy y EE Eu 8 Wio larska W K JL 5 EN An MORES A D Za Servant Salamander Ww SE Eng 32 Microsoft 5 bez tytu u Paint
20. E Tees aluj najnowsz wersj Google Earth t gt f I EA lo fas NEUE ATY i5 E U yteczne miejsca aa Wska2znik 56 58 51 643P1n 41 P wys 7m Pizesylanie strumieniowe MMO ACE d Wysoko punktu widzenia 685 m SE T Fig 33 Measurement route with detected tagger and leaks above 20 uV m 2 Google Earth Plik Edycja Widok Narz dzia Dodaj Pomoc v Szukaj Przejd do Znajd firme Trasa dojazdu Przejd do np 37 25 818 Pn 122 05 36 Z 9 x T 1 v Miejsca Dodajtres V Londen Eye UK e v Sydney Olympic Site Australia Y Red Square Russian Federation Mount Saint Helens US Former Republican Palace Iraq Manhattan Island US Forbidden City China M Reichstag Germany Google Campus US E M Miejsca tymczasowe c v amp S dataleakmarks kml v Warstwy 8 a 2 Podstawowa baza danych E a Witryna geograficzna Dragi E a RINT 3D Widok u i Srarice nazwy y opaco ME Rua 265 uvim By 102 TW GH V m 61 uV my m Ye YE S y uim 433 Th m oy uvim 82 W m 606 uV m 4juV m9 uvim p RN M o uvim Sn Wy r 4382 uV m E E Me Li ha SER 5151 UV m A 123 uV m A Ke ABS UN Im e gt 4 my MS ZWOJU 141 uV me X 1421 UVM 96 um gt 3 PX m PASEO ws 158123 UV Im 110 u V m SOSA 2343 YVES 250 uV m Y 31 07 1220 Ma EIE ty E gt j gt 5 N V ME m M
21. ERA IEEE o o Na RAN at crt c a Gallery RT 2 NARZ 294 dY m S MP 2 o OO le Ocean AS SS 7 o 2 Zi 4 nk O 1 mL 8 A 3 Global Awareness Aby wyswiebiic ai A x a i 4 amp O M U yteczne miejsca 47 2431 40 na p lno 8 3244 08 na wsch d wys 1449 stop Wys widoku 32047 stop OW O 2009 T SD ATER PL m Eb RL 12 38 Fig 34 Measurement route with absolute leak values You can also perform more sophisticated processing filtering of the measurement results To do so you need to have the map of the measured area You may scan any paper map and save it as the bmp jpg or jpeg format You may also save the Google map as a bit map press Print Screen key on the keyboard when the proper area is displayed in Google Earth copy the clipboard contents to any graphical software e g Paint and save it with the bmp extension When the map is ready run the StealthExplorer application on your PC choose Draw route GPS sim from the Tools menu and download the results by pressing the Load the results button Browse your folders and download the file with measurement results Press the Load the map button in the Route window The map will be displayed in the Route window after several seconds the time depends on the file size Adjust the size of the map from O to 100 by pressing the Zoom button You can access it at any time if you press the Scale button In the next step you s
22. KABEL lt OM OPERATION MANUAL CABLE TV LEAKAGE METERS AMS2010 SERIES it El All rights reserved This document contains information proprietary to KABELKOM No part of this publication may be used reproduced stored in a retrieval system or copied in any manner without the prior written permission of KABELKOM The information in this user s manual is subject to change without prior notice The detailed information about software and copyright is present on the CD license The software described in this manual is delivered under a license agreement The software may be used or copied only in accordance with the terms of the agreement Microsoft and Windows are registered trademarks of Microsoft Corporation Windows 95 98 ME 2000 NT XP Vista and ActiveSync are trademarks of Microsoft Corporation Google Earth is a registered trademark of Google Inc Product names mentioned herein may be trademarks and or registered trademarks of their respective owners companies NOTICE THE MANUFACTURER OR RESELLER SHALL NOT BE LIABLE FOR ERRORS OR OMISSIONS CONTAINED IN THIS MANUAL AND SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM THE PERFORMANCE OR USE OF THIS MANUAL EQUIPMENT OR SOFTWARE KABELKOM 2012 All rights reserved KABELKOM ul Bukowa 30 43 300 Bielsko Biata POLAND E mail kabelkom kabelkom pl Jan 2012 Internet http www kabelkom pl Ver 1 3 WARRANTY KABELKOM warrants that
23. all products manufactured by KABELKOM conform to KABELKOM s published specifications as well as the essential requirements of the European Union stated in the EU Directives and are free from defects in materials and workmanship for a period of one 1 year from the date of delivery to the original Buyer when used under normal operating conditions and within the service conditions for which they were designed This warranty is not transferrable and does not apply to used or demonstration products The obligation of KABELKOM arising from a Warranty claim shall be limited to repairing or at its option replacing without charge any assembly or component except batteries which in KABELKOM s sole opinion proves to be defective within the scope of the Warranty In the event KABELKOM is not able to modify repair or replace nonconforming defective parts or components to a condition as warranted within a reasonable time after receipt thereof Buyers shall receive credit in the amount of the original invoiced price of the product KABELKOM must be notified in writing of the defect or nonconformity within the Warranty period and the affected Product returned to KABELKOM s factory designated Service Provider or Authorized Service Center within thirty 30 days after discovery of such defect or nonconformity Buyer shall prepay shipping charges and insurance for Products returned to KABELKOM or its designated Service Provider for warranty service KABELKOM
24. e Earth files after a Wi Fi network has been detected BASIC MODES OF OPERATION Leakage detection including GPS option unique leakage tagging technique for analog and or digital networks patent pending two configurable tagger frequencies fast tagger detection configurable measurement frequency separately for upstream active method and downstream STANDARD ACCESSORIES handheld antenna vehicle antenna 5 V power supply charger A B USB cable APPENDIX 2 DECLARATION OF CONFORMITY KABELCOM EC Certificate of Conformity Certificate No 2011 1 This is to certify that Equipment type Designation AMS2010 GPS GE Leakage meter for networks cable TV complies with the provisions of the Directive of the Council of the European Union on the approximation of the laws of the Member States relating to electromagnetic compatibility 2004 108 EC Conformity is proven by compliance with EN55022 2006 Limits and methods of measurement of radio disturbance characteristics of information technology equipment y 4 N z AAKO Jaros aw Sz stka Ph D Head of KABELKOM s Testing Laboratory KABELKOM Sp Z 0 0 ul Bukowa 30 Bielsko Bia a 2011 03 31 43 300 Bielsko Bia a Poland
25. e inside the power supply plug Check the fuse in the module plug and if applicable in the car lighter socket 4 Why have not detected any leaks or is it possible that the leak values obtained during the mobile patrol are below 20 uV m In practice every cable TV has some substantial leakage sources The possible reasons of low levels obtained during the measurements are antenna not connected properly broken cable loose connector damaged antenna etc always inspect the antenna cables and connectors before measurements the distance between the antenna and a leak source Is long so the received signal is very weak enter the higher value of the distance to the AMS2010 the higher the value the more sensitive the meter check in the headend whether the meter works correctly and recognizes the tagger if not check the configuration parameters tagger frequency or send it to the service center calibrate properly the vehicle antenna using a hand held dipole check if there is a signal in the network or the tagger is on check if the tagging frequency in the AMS2010 settings is the same as the actual frequency set on the tagger User support If you have any problems with your meter or accompanying software any questions or suggestions concerning our product please contact us kabelkom kabelkom pl phone 48 33 8185555 The up to date software version upgrade is available on our Web side
26. ency and press the left arrow key gt or Esc a to return to the Configuration menu You can also choose the type of the network Using the up down arrow keys F i Ent PN highlight Analog or digital in the menu and press Enter u or the right arrow key 4 lf you measure leakage using analog TV channels choose Analog with the up and down arrow keys e For purely digital networks choose Digital Fig 15 Press the left arrow key gt or Esc a in order to return to the Config menu Fig 15 Choosing the type of the network Directly from the Configuration Menu you can set up the following parameters date time time zone GPS receiver enable disable display backlight color and contrast language if available and energy saving options You can also check the diagnostic options and the memory status If you highlight Date amp Time from the Config Menu and press Wy may choose the Date Time or Time Zone options Press v or to enter the dialog field and set up date time or the time zone using the up and down arrow keys 4 Fig 16 Press the left arrow key gt or Esc a in order to go back to the Config Menu Fig 16 Setting the time and date If you choose GPS amp GE option from the Config menu by highlighting it with the up down arrow keys and pressing Enter e or the right arrow key 4 you may turn on or off the GPS receiver and enable disable the Google Earth option or the Fast Fix option Fig 17 Simply highlight the pr
27. files with lv4 and KML extension You can copy the KML file to your PC open Google Earth and download the file if the KML files have been associated with the Google Earth application simply double click the name of the file and it will be automatically opened in Google Earth To see the measurement results on a map in StealthExplorer you need to copy the files from the AMS2010 meter to your desktop PC or notebook The files with the measurement results are saved in the folder of the AMS2010 with the lv4 extension Simply connect the meter to your PC using an USB cable or via Wi Fi The files can be copied to the chosen PC folder It is possible to associate the lv4 files with StealthExplorer Click the lv4 file name with the right mouse button Choose Open with from the menu and choose the default application StealhExplorer which will open the lv4 files in the future You can do it by pressing Browse choosing the C Program Files KABELKOM StealthExplorer folder and then choosing Sv_pl exe and OK Tick the checkbox Always open with the chosen application If you have performed the procedure correctly any file with the lv4 extension will be automatically displayed in StealthExplorer after double clicking its name automatic display It is suggested to run StealthExplorer before displaying the lv4 file StealthExplorer is a very sophisticated and flexible tool for processing the measurement data It is possible to obta
28. he meter is portable and easy for handling It can charged via the USB port as well as from the external charger The meters cooperate with the DS docking station and can be mounted in a vehicle The DS station together with AMS2010 can transmit the data about found leak sources online via GSM or HFC networks The DS station is backward compatible with the CLI950 1450 1750 meters manufactured by JDSU former Acterna WWG or Wavetek The operation with the meter is easy due to the simple and intuitive menu as well as the alphanumeric keyboard similar to a mobile phone keyboard The AMS series can work with computers using any operating system like Linux MacOS or Microsoft Windows The computer should be connected to the Internet The basic differences among AMS meters detectors are as follows e AMS2010 detector does not have professional SAW filters and a GPS receiver e AMS2010 GPS GE has a professional SAW surface acoustic wave filter a built in GPS receiver it automatically saves the pedestrian mobile patrol measurement results in a file using the format compatible with GoogleEarth the measurement file with measurement results obtained automatically during mobile or pedestrian patrols can be processed and visualized in StealthExplorer also manually exported to Google Earth To display the GoogleEarth files with measurement results the AMS2010 GPS GE should be connected to the USB port of a computer then the proper file name
29. hould match the scale of the route path which is initially displayed in the upper left corner of the map with the map To do this use the numeric field below the Change scale label to increase or decrease the route size you can also use PgUp PgDn and Up Down arrow keys The route width can be adjusted in the field Route width If the route line is wider it helps to move the route with the mouse It is necessary to move the beginning and the end of the route to the points on the map where the measurement started and ended To do this double click the beginning of the route marked as a blue line In fact you can double click any route point which is characteristic for you The arrow pointer will change to the cross pointer Move this pointer to the required point on the map and then double click again The beginning of the route or other chosen point of the route will be shifted to that point together with the route The procedure of adjusting size and shifting the Starting point is iterative and requires many consecutive repetitions of the steps described above The procedure is finished when the route line matches the actual measurement route streets roads etc on the map The procedure described above can be done only once for a given map file map layout For example if you have the map of your town in the file mytown bmp you should load it to the program find the proper scale and start end points for the first ro
30. ig 8 Fig 8 Configuration Menu lf you want to set up the parameters related to leakage measurements highlight Measure with the up down arrow keys and press Enter u or the right arrow key You will see the screen similar to this shown in Fig 9 Fig 9 Measure Configuration Menu Press the left arrow key gt or Esc 2 If you want to go back to the Configuration Menu If you want to change the test frequency highlight Measure Freq in the menu and press Enter Se or the right arrow key Using the up or down arrow keys bd o and right arrow keys amp change the frequency in the dialog field and press the left arrow key gt or Esc 2 in order to go back to the Config menu If the entered value is outside the valid frequency range the frequency field will display and you should enter the correct value again Highlight TAG 1 2 Frequency and press Enter or the right arrow if you want to change the tagger frequency see Fig 10 Choose the proper frequency value using the up or down arrow keys v e Press the left arrow key gt or Esc 2 to go back to the Config Menu Fig 10 Setting the tagger 1 frequency NOTE If you use the AM signal tagger from KABELKOM you should enter two independent values for TAG1 and TAGZ2 If you use the LT1000 from JDSU or a signal generator with internal AM modulation you should enter the same value for TAG1 and TAG2 Highlight Distance setting the actual distance to
31. in many useful information which is not available in simple Google Earth view StealthExplorer can work with paper maps GIS maps and AutoCAD some options on customer s request Below you can find the description of basic operations available in StealthExplorer You can draw the measurement route manually manual display using the following procedure 1 Run StealthExplorer on your PC and choose the language Kosz Internet Explorer Li Mozilla FireFox AJ da Adobe Acrobat H Adobe Reader A L MS 5 4 E Business English unit a Business English unit c Z Celestia ts Start BN g Google Earth SALAMANO RealPlayer ae a FLY Player Cool Edit Pro 2 0 PowerDYD Servant Salamander par ALMS Pro User s Guid Magyar Slo i Ne Double click German Mis LE Y ay promax1 Q typing 1 3 avi mpg r QuickTime Player Ss 2 VodeiSetup ARRIS Recei jsawah byc E mapa Azureus 3 57 Winamp hijackthis Clipart Open Clip Art Library E HiJackThis Fig 25 Language selection in StealthExplorer 2 Choose Draw route from the Tools menu Q3 d 9 OFS amp ca Narz dzia g wne wstawianie Times New Rom Functions Measurement applications Tools Configuration About Wytnij a Kopiuj SS J Malarz format w Pie vali rows Schowek ra 1 r4 1 1 na 4 1 1 p e 2 Choo 3 Press
32. oo u Leak fmtilt dvb t amp h Szukaj w Lotwa pomiary 2009 v GQ PE a ee 2009 4 23_9 14 22_leak_pos e ee 2009 4 23_10 23 46_leak_pos Moje bie ce 2009 4 23_12 5 19 leak pos dokumenty 2009 4 23_15 1 16_leak_pos E 2009 4 23 15 7 12 leak pos D GPS rs232 loop route E 2009 4 23_16 51 54_leak _pos E lotwa Load results Draw the route Moje dokumenty M j komputer 2009 4 23_15 46 27_leak_pos ETA Nazwa pliku Pliki typu Moje miejsca sa ALMS Pro UPC Ro SE Z y ALMS Ent UPC Ro SE 4LMS Ij w ALMD CAD UPC Ro SE um Strona 24726 Wyrazy 1556 lt Angiels Start 3 Servant Salamander T ALMS Pro User s Guid UN sy_pl Fig 28 Selection of the measurement f ile name 4 Choose the proper measurement file name with the lv4 extension GA Znajd 35 Zamie Zmie o style M Zaznacz Edytowanie 5 Press the Save Export software button Da idi c va w ALMS Pro User s Guide Tryb zgodno ci Microsoft Word o X ny n Narz dzia g wne Wstawianie X wytnij cR H Route DE E MA Znajd da Ko z aBbCcl ab Zamie wklej a Kopiuj l E Gap SINE 5 Map El CADView f Map for PDA Y Location r nie S i ac Zamie J Malarz format w style
33. oper option press Enter u or the right arrow key E and use the up and down arrow keys bd e to set up the proper parameter value Press the left arrow key gt or Esc A in order to go back to the Config menu Fig 17 Enabling disabling the GPS receiver and GE option You can change the display contrast level and backlight intensity by choosing the Contrast option from the Config menu Fig 18 Highlight the required parameter press Enter i or the right arrow key amp and use the up and down arrow keys bd O to set up the proper parameter value Press the left arrow key gt or Esc A to go back to the Config menu Fig 18 Setting up the contrast level The language displayed by the AMS2010 can be changed using the up and down arrow keys v e after choosing Language from the Config menu Fig 19 and pressing Enter i or the right arrow key 4 Press the left arrow key gt or Esc A to go back to the Config menu Fig 19 Choosing the language of communication It is possible to switch off the meter automatically after a pre defined period It can substantially prolong the battery life To activate this option and set up the time after which the meter will be switched off choose Energy saving form the Config menu press the Enter key i or the right arrow key 4 and using the up and down arrow keys gt e choose the required value of the option Disabled 5 min 10 min or 20 min Fig 20 Press the left arrow key gt or Esc A
34. or its designated Service Provider shall pay costs for return of Products to Buyer KABELKOM shall have no responsibility for any defect or damage caused by improper storage improper installation unauthorized modification misuse neglect inadequate maintenance accident or for any Product which has been repaired or altered by anyone other than KABELKOM or its authorized representative or not in accordance with instructions furnished by KABELKOM The Warranty described above is Buyer s sole and exclusive remedy and no other warranty whether written or oral expressed or implied by statue or course of dealing shall apply KABELKOM specifically disclaims the implied warranties of merchantability and fitness for a particular purpose No statement representation agreement or understanding oral or written made by an agent distributor or employee of KABELKOM which is not contained in the foregoing Warranty will be binding upon KABELKOM unless made in writing and executed by an authorized representative of KABELKOM Under no circumstances shall KABELKOM be liable for any direct indirect special incidental or consequential damages expenses or losses including loss of profits based on contract tort or any other legal theory Dear AMS2010 User Thank you very much for purchasing the AMS2010 series meter It has been designed for your satisfaction We do hope that the meter will effectively help you to find leakage and ingress source
35. ou can change the measurement and tagging frequencies the actual distance the antenna type the distance to the leak source and enable disable the GPS receiver in the Config Menu see Section 4 6 NOTE The signal tagger should be installed in the cable TV headend before measurements It is suggested to use the KABELKOM s AM signal tagger However it is possible to use any analog TV signal modulator or CW generator together with the LT1000 signal tagger JDSU Wavetek Frequency stability is critical for good measurements the AMS2010 uses very precise narrowband filters and should be verified before leakage measurements NOTE The meter can measure leakage from analog and or digital CATV networks In case of analog networks the power level of the tagged TV or CW carrier used for leakage measurement should be equal to the power level of typical analog TV video carriers The power level of the CW carrier for digital networks digital option available with KABELKOM s AM2 tagger only should be at the power level of digital channels see Fig 5 otherwise the leakage value will be incorrect digital channels N Z leakage carrier f Fig 5 Relationship between the power levels of digital carriers and tagged carriers for leakage measurement If the leakage level is higher then a threshold value 20 uV m and the meter has detected the correct tagger signal one tagger frequency the conventional tagging method or two
36. our GPS satellites on the sky after some time the GPS recelver will be able to determine the coordinates The time necessary for initialization of the GPS recelver may vary from a few seconds up to 3 minutes NOTE The GPS accuracy depends on the number of satellites seen by the GPS antenna the satellite localization in the sky and the surrounding obstacles buildings trees trucks etc which can block or reflect the radio waves arriving from the GPS satellites The accuracy changes with time The path obtained during the GPS measurements may not correlate exactly with the roads as in the case of navigation software and is not a symptom of the meter malfunctioning This is due to the different operation of the GPS navigation systems which artificially bind the current GPS position with the nearest road on a map The AMS2010 saves the GPS data without any modifications The Leakage GPS screen displays the mode name the measurement frequency 121 400 MHZ the tagger 1 and 2 frequencies 22 and 23 Hz respectively and the current leakage value E field intensity 3 6318 uV m in Fig 4 The screen also shows the current time 01 37 the battery status the antenna type Hand the GPS receiver status No GPS Fix and the actual distance from the leakage source 3 m You can change the antenna type using the F2 software key or the units using the F3 software key If the meter detects the tagger the icon TAG1 and or TAG2 will be shown Y
37. r at least 2 seconds If you are in the Leakage GPS mode GPS GE model only after pressing the red key 0 the meter stops the measurement and saves the measurement data in a measurement file In order to switch off the meter you should press the key B once again 4 2 Main Menu After the meter has been switched on you will see the Main Menu screen Fig 3 Fig 3 Main Menu of AMS2010 You can see the battery voltage the current consumption and the current time To choose the required mode of operation highlight a proper icon in Fig 3 the Leakage GPS mode is highlighted with the arrow keys left arrow gt or right arrow 4 and finally press the Enter key u You can choose the following operation modes Leakage aa Leakage with GPS sz Fast Leak na Spectrum will be available in the future Wi Fi JE will be i E A available in the future Configuration and Info 4 3 Leakage GPS mode AMS2010 GPS SE If you want to begin the leakage measurement with the GPS coordinates and save the results in a file choose the Leakage GPS mode icon and press Enter u You will see the Leakage GPS mode screen Fig 4 Fig 4 Leakage GPS mode screen At the beginning the screen displays the GPS info If there is no GPS signal e g inside a building or you do not want to use the GPS option simply press Enter u immediately after choosing the Leakage GPS mode If the GPS receiver is enabled and the GPS antenna can see at least f
38. respectively the actual distance to the leak source 3 m and the current leakage value E field intensity 4 8208 uV m in Fig 6 The screen also shows the current time 06 33 the battery and charger status and the antenna type Hand If the meter detects the tagger the icon ITAG1 and or TAG2 will be shown on the bottom of the screen The meter also allows for a leakage measurement in the upstream or downstream frequency range The upstream and downstream measurement frequencies can be defined in the Configuration mode see Section 4 6 Choose the Upstream option by pressing the F2 key Please remember that you should also change the antenna and enter the correct calibration factor antenna factor for a given upstream frequency NOTE The signal tagger should be installed in the cable TV headend before measurements It is suggested to use the KABELKOM s AM signal tagger However it is possible to use any analog TV signal modulator or CW generator together with the LT1000 signal tagger JDSU Wavetek Frequency stability is critical for good measurements the AMS2010 uses very precise narrowband filters and should be verified before leakage measurements NOTE The meter can measure leakage from analog and or digital CATV networks In case of analog networks the power level of the tagged TV or CW carrier used for leakage measurement should be equal to the power level of typical analog TV video carriers The power level of the CW
39. s in your CATV network Although it is a very modern and sophisticated tool the operation with the meter is quite easy However we suggest you to read this manual carefully before you start to work with it If you have any remarks concerning the meter its functions parameters or possible improvement please contact us Enjoy the work with your new AMS2010 meter Sincerely KABELKOM team CUSTOMER INFORMATION REGARDING PRODUCT DISPOSAL Our AMS meter has the label shown below in accordance with EN 50419 This equipment houses a battery containing harmful substances that must not be disposed of as normal household waste Once the lifetime of a product has ended this product must not be disposed of in the standard domestic refuse It may be disposed of at the KABELKOM Service Center or at a suitable depot It is an implementation of the following EC directives e 2002 96 EC on waste electrical and electronic equipment WEEE e 2002 95 EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment ROHS Contents FINTRODUCTION M eer C nc r 2 PREFARANONFOROPERALION saco ZEE eter ote um Ru e RARE 9 FM CIIM Mie docile ERE EE E 9 2 2 INS DS cie eT T x n 9 5 GETTING ACOVINTED WITH TIHE JMS2010 ii I orit eroe pp ONU DeC eee Deve estos 11 ASIN IE ANS TO utut arene a ECCLE CI ZPPA 13 4d Swltchindg omolf the MELON o alate ins
40. should be chosen and the viewing option should be activated 2 PREPARATION FOR OPERATION 2 1 General Information Before operating the AMS2010 meter make sure you carefully inspect the product and read the operation manual WARNING Only trained service personnel who is aware of the hazards involved for example fire or electric shock should perform repairs on the AMS2010 meter Tuning the AMS2010 meter and replacing components influencing the accuracy of measurements without authorized service personnel is strictly prohibited and may cause inaccurate or improper operation of the meter 2 2 Inspection The AMS 2010 package includes the CLI upgrade package does not contains the antennas e the AMS2010 meter e DC power supply charger module e USB cable e vehicle monopole antenna e handheld dipole antenna Upon receipt of the package check the availability of the items contained in it against the list provided Perform an external examination to make sure your AMS2010 is free from any visible physical or mechanical damage If the meter has been stored in an extreme environment which exceeds the rated operating conditions place the unit inside a temperature controlled facility with normal operating conditions for 2 hours prior to operation The battery of the meter is fully charged before delivery However if the meter cannot be switched on connect the meter with the charger NOTE In order to obtain the most accurate
41. sition on the roof has been changed or when the antenna has been moved to another vehicle The calibration requires a reference antenna with well known characteristics The most common reference antenna is the half wavelength dipole The AMS2010 has predefined parameters for this antenna type If you want to measure the leak amplitude with the half wavelength dipole choose the dipole antenna Hand in the Config Menu or by pressing the F2 key repeatedly until you see Hand on the screen The calibration procedure requires a stable leakage source You can use a controlled leakage source from your cable TV network using an antenna or a wire connected to the subscribers outlet or an amplifier or a signal generator like the portable test signal generator AMS2011 Transmitter from KABELKOM with an antenna The correct calibration means that the leak amplitude measured with the reference antenna has the same value as the leak amplitude measured with the calibrated antenna you should modify the correction factor as long as the leakage value is the same as for the reference antenna 4 4 Leakage mode If you want to begin the leakage measurement without saving the measurement data with the GPS coordinates choose the Leakage mode icon gt and press Enter You will see the Leakage mode screen Fig 6 Fig 6 Leakage mode screen The Leakage screen displays the measurement frequency 121 400 MHz the tagger 1 and 2 frequencies 22 and 23 Hz
42. the leakage source Fig 11 Level units uV m or dBm Fig 12 or Antenna type Hand for half wavelength dipole Car for a vehicle monopole Upstream for a CB monopole and Misc for any other antenna Fig 13 and press Enter or the right arrow key q if you want to change one of these parameters Choose the proper parameter value using the up or down arrow keys j e Press the left arrow key gt or Esc a to go back to the Measure Configuration Menu Fig 11 Setting the distance to a leakage source Fig 12 Setting the level units Fig 13 Setting the antenna type You can enter the correction value for any antenna type except the hand held dipole by choosing Antenna correction from the Measure Configuration Menu Fig 14 However you must be very careful and enter only the values obtained during the calibration procedure for each type of an antenna or antenna factors obtained from measurements It is recommended not to change these values after antenna calibration They are automatically calculated during the calibration procedure for each antenna type The values can be changed by using the up down arrow keys Press the left arrow key gt or Esc a to go back to the Measure Configuration menu Fig 14 Setting the antenna correction value You can also choose the upstream measurement frequency Highlight Upstream frequency in the menu and press Enter i or the right arrow key then enter the upstream frequ
43. tings from the Ent Diagnostics submenu and press Enter v or the right arrow key 4 You can also reset the GPS receiver CPU or battery check the power status or change the sensitivity of the keyboard Choose the proper option and press Enter e or the right arrow key 4 Finally you can check the status of the internal memory Simply highlight Memory Ent from the Config menu and press Enter u or the right arrow key 4 The meter will display the memory status screen Fig 23 Fig 23 Memory status screen 4 7 Info mode You can obtain the basic information about the meter meter version battery capacitance serial number firmware version and installed options in the Info mode Choose the Info mode icon WM from the Main menu and press Enter or the right arrow key 4 The meter will display the info screen Fig 24 with the battery capacitance memory size serial number and firmware version Fig 24 Info mode screen 5 Visualization of measurement results The measurement files with the results saved by the AMS2010 GPS GE can be used for preparation of a map showing leakage sources in the measured cable TV network area Such a map is very useful for technicians and can save a lot of time and money They can go directly to the suspected area with the leakage meter determine leakage sources and fix them The simplest method of the map preparation is available in the AMS2010 GPS SE The meter saves two measurement
44. u In the Open window select the required file and press the Open button The chosen map appears on the screen It is also possible to view two routes on the same map Press the software button Multiroute in the Route window and check the Second route box The Open window will appear on the screen Choose the files with the measurement results and load them The second route will be displayed as a dot line You can use the Scale Gradient and Level options with the second route exactly in the same way as for the first main route 6 Troubleshooting This section has been prepared in the form of questions and answers which cover the most common problems encountered by ALMS users 1 Why do I have problems with the GPS receiver The accuracy of the GPS coordinates depends on the satellite constellation how the satellites are spread out in the sky at a given moment and the number of satellites which can be received by the GPS receiver If the GPS antenna does not see many satellites because of trees in a forest high buildings in town centers etc the accuracy will be worse or it will not be possible to determine the coordinates at all The system accuracy may be also intentionally changed in a random manner by its owner 2 Why the CLI battery charging time is so long The battery should be charged only with the external charger supplied by KABELKOM 3 Why does my car DC power supply not work The problem may be the fus
45. ute and then you should save the map with the route At the same time a special configuration file mytown bmp config is being created If you want to visualize another route on the same map mytown bmp load the files with the measurement data The route will be displayed automatically with the proper size and position on the layout map Sometimes the route does not match the map e g is off the roads where the technicians were driving during the measurements or has some distortions It may be connected with mapping the curved surface of Earth on the map s plane It is possible to use a correction factor to solve the problem You should choose the proper value from the pop up list Map correction in the Route window press the Scale button first to activate this option The value 1 corresponds to the WGS 84 system the most popular one the values 2 3 and 4 are for other systems e g the value 4 is commonly used in Norway If any value does not give correct results please contact KABELKOM The route mismatch may be caused by the errors of the position calculation in the GPS receiver It depends on the satellite constellation in the sky and on the number of the GPS satellites seen by the GPS antenna at the moment The GPS antenna should see as much sky as possible Typically the GPS problems can be found in forests and towns with high buildings street canyons You can display the measurement results as a multicolor route line
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