Merlin Manual - V1.055
Contents
1. 2 eine elle tel Biz er C Et 2f Program COMMGUPAT OM sac codes aeui es otl gie o enm eene e peso ens pn d dul 29 o E A E 29 Signal Setlligs EE 30 EENHEETEN 31 Spectrum Analyser d e EE 32 BIZ Daa uoo WEE 32 AOS AVS SUNS MN ND TOC 32 Video DemoduUl ION unitaria ib 33 EEN 35 Welcome to the Merlin Manual for Windows Operating Systems Overview of Merlin BN y BEEEGRRR s D Jre FS Se s x ie AAA BUBEBEHB i cm de A AE a SES E 1n nis gt Vans e aro w The Merlin unit Laptop Computer The laptop is a key part running alongside the Merlin ECM unit Merlin Assembly Volume Line In Phones O 9 On Low Batt DC In Q Fuse EQ 7 Charge The Control Panel of the Merlin showing the Volume Control Line In Headphone socket DC in Power socket Power switch Fuse and USB sockets System Securit Dongle This is the term for the security key This is a device that contains vital licence information Without this device the software will not open and it is not possible to operate the system at all It is therefore essential that the Dongle is not lost and in the event that the laptop is stolen or there is any attempt to copy the software the software is secure SHEARWATER ECN MERLIN The Dongle not in use Assembly Place the WB2001 antenna in the stand and connect the UHF lead gold SM2. Exit Zoom View Report Help Client s Name Shearwater ECM Location Station lt Bletchley Park Plot No 001 4 gt os 0000 a Ca i I Eee jw Black Background Step Rate Small Pass No 11 Zoom View al Bandwidth Wide Scan Mode Standard Scan Graph Increments 0 1335 MHz Started 27 Apr 2005 13 11 ml Finished 27 Apr 2005 13 15 Ei Exit Zoom Select Frequency Hits 91 z Soa a0 Te Attenuator MT Receive Mode Bandwidth Wide E leede isable fe FM WAM USB C NFM C AM LSB C c r e C SFM C NAM C Cw Spectrum LockOut Help F1 Video Mode To lock out frequencies quicker just right click on a frequency in the Frequency Zoom window The red circle with a white line shows that this signal is now locked out You can unlock it at any time by double clicking on the frequency and pressing the Unlock button Return to the Main data screen by pressing ESC twice Save the file again with the same filename and if prompted say yes to overwrite Go to Scan Standard Scan to resume the scan Select No to resuming the scan It will start a new scan using the last frequency settings Stop the scan after another 10 passes and then save with a different filename ie Secondscan2 scn Comparing Scan Data Files Go to Tools and select Compare Scan Files and you will be asked to choose two files for comparing File Comparison File Report Show Reference File
3. Comparison File Browse Plot No Show Amplitud i Omission Signal Frequency MHz Signal Addition leo Moret Client Name gece mE Location Freq Start 0 0000 MHz SeanMode SS Freg End 0 0000 MHz Files Differby 00 9 Step Rate AAT No of different 0 Bandwidth frequencies If you had entered a Client name this will have been used to create a folder with an ECM suffix for your results if not they will be in your default folder Using the Browse buttons will ease the selection of similar scans The program will now compare the two files File Comparison File Report Show Reference File C Program Files Merlin Data Shearwater ECM ECM Test Scan 2 scn Browse Plot No 001 Comparison File C Program Files Merlin D ata Shearwater ECM ECM Test Scan 2 Number 2 scn d 7 Plot No 001 Show Amplitude mission Signal Frequency MHz Signalz Addition Changes More Client Name Shearwater ECM Shearwater ECM 153 2250 48 2 Than Location Station A Bletchley Park 153 2400 49 8 Monitor 153 2700 47 1 ER z Station x Bletchley Park Freq Start 1530000 MHz Scan Mode Standard Scan 153 4200 50 2 Difference Detail Freq End 155 5000 MHz 153 4350 47 5 CoU NEM 4500 45 5 Step Rate Small 4650 44 7 r No of different 12 4800 42 0 e Bandwidth Wide frequencies
4. 1000 MHz 1000 MHz 3000 MHz The threshold or squelch is the level of signal deemed to be that transition between low signal of little interest and a higher signal which is being sought The threshold level can be set globally or over the five individual bands On the right side are two frames the first for High Signal warning and the second for High Hit warning You can choose to have a Possible Threat Warning This will display when both the High Signal and High Hit levels are encountered You can choose the alarm sound played when the Possible Threat Warning is displayed it will be set to the default sound alarm wav There are several alarm files to choose from the menu Scanner Options WARNING Changing these settings will seriously affect the program performance Scanner Options WARNING Altering these settings will seriously affect program performance Scan Receiver Mode Bandwidth FM C WAM Wide Signal sampled 1 5 times y l Bypass Locked out Frequencies Cancel Firstly choose between scan receiver modes FM press ALT F WAM press ALT W The next setting is for how many times the signal is sampled There is also a check box to choose whether to bypass the locked out frequencies The default settings are Scan Receiver Mode FM Signal Sampled 1 Bypass Locked out Frequencies ticked Spectrum Analyser Settings Spectrum Analyser Settings Centre Frequency ELE
5. 490 E 0 0 MHz to 3 0 MHz threshold Es g value Wee E 312 7 E UE Possible Threat Warning 40 0 e 40 0 MHz to 390 0 MHz v 10 2 E 390 0 MHz to 1000 0 MHz A warning for signal strength will begin when a signal strength over your percentage appears Once the set number of passes have completed the High Hit warning will come into force and show frequencies which have been active for most of the passes you can set the number of passes in the same dialog box When both warnings are in place on any one frequency a Possible Threat Warning is displayed Note You will have to turn some of these settings on because the default settings are off After 10 passes have completed stop the scan and return to the main data screen Go to File and select Save File As choose a filename and save file Save in E Shearwater ECM ECM A Test Scan 1 scn 4 My Recent Documents a Ls Desktop My Computer My Network File name IT est Scan Ascn Places Save as lype Scan Files scn M Cancel Screen shots from your second scan x Wed 27 Apr 2005 13 19 Plot No 001 Y Eu File Scan View Favourites Tools Help Location Station X Bletchley Park Client s Name Shearwater ECM Frequency 154 2450 MHz Y Black Background Finish 155 5000 MHz Sot ES Pass No 11 Step Rate Small Bandwidth wide ScanMode Standard Scan Started 27 Apr 2005 1
6. Hz Sa Bandwidth wide Attenuator MTM Temporarily 100 Hz disable El a Receive Mode w Video Mode gt 10 kH EM C WAM C USB FMu e AMy C NFM C AM LSB Invert DeEmphasis 100 kHz C SFM C NAM C Cw Video Capture Click the Tuning buttons above and below the displayed frequency until a clear picture is received Also try to get a clear picture by selecting between AM and FM or Invert the image or apply De Emphasis OY WinTV32 Bm 145 exxG 1258 Mono 0 ali Channels 401 x 301 As a guide UK broadcast TV is normal AM with De emphasis as is most broadcast TV PAL transmissions will be seen as transmitted SECAM and NTSC display in monochrome and although it may not lock fully will give a good indication as to what they are Clandestine video transmissions are most likely to be FM and may be inverted Specifications Frequency coverage 100 kHz 3000 MHz Receive modes AM FM USB LSB amp CW Nominal filter bandwidths omall amp Large Transport Case 620 x 490 x 215 ERR system Designed and manufactured by SHEARWATER TSCM Station X Innovation Centre Bletchley Park Sherwood Drive Milton Keynes MK3 6DS United Kingdom Tel IDD 44 0 1908 677062 Fax 0 1908 230732 Email john shearwatertscm com Web www shearwatertscm com
7. The differences are shown in the Difference Detail box at the top to listen to one of these click on the frequency and press the Monitor button Manual Radio Tuning Auto Step pum 100 kHz BER ERR 7 V V V 1 kHz psp SE SE YJ SST SCH SET SEH Hr Bandwidth Medium Attenuator RT HN 7 Temporarily 100 Hz disable i1kHz Receive Mode Video Mode pt 10 kHz C WAM C USB SS e e 100 kHz You can fine tune the frequency using the arrows above and below each number in the manual tune window You can also see the number of different frequencies in a small box on the right of your screen To print in text or graph form go to the Report tab at the top and choose your desired format Cross off the window and you will return to the Main Data screen Loading A Previously Saved Data File To reload a file which has previously been saved go to File and select Open File and choose the file you wish to load Program in Detail Main Data screen File Scan View Favourites Tools Help Client s Name Location Plot No Wed 27 Apr 2005 12 20 Start EN vu Frequency emeng MHz i Black Background Finish mm Hz Step Rate Pass No Bandwidth Scan Mode Graph Increments MHz Started Finished The Main data screen is the main display for all the data From the top left you have boxes for Clients Name Scan Location Plot No and a date time stamp At th
8. MHz Cancel Step Rate Lage E The options here are to change the default Centre Frequency and the Step Rate Reducing the Step Rate correspondingly reduces the bandwidth scanned Default Data Folder With this you can choose which folder is automatically selected to save the data files in Auto save Settings Here you can choose to enable auto save periodically and choose how often you want this to occur You can also set the prefix for the filename This facility is well suited for unattended operation and attaining a history of spectral activity Video Demodulation Select Frequency o E O Hits 100 0 X Sow 3 5 Tx ER Attenuator MN Receive Mode Bandwidth Wide m Temporarily R A disable FM WAM USB v Video Mode C NFM C AM LSB C FMu e Mv Invert DeEmphasis C SFM C NAM C CW _ Video Capture Breakdown Spectrum LockOut Help F1 When you are tuned to a frequency it can be analysed for video content Tick the Video Mode box then Click on the Video Capture button the Video Capture window will open ES WinTV32 Fle Display Options Configure View Help gw t CN p ES Jif ete 125 Mono 0 AB Channels 401 x 301 There is a possibility that the frequency needs fine tuning Click the Tuning button in the Select Frequency window the Manual Radio Tuning window should display Manual Radio Tuning Auto Step ots 1lot2 1 lolo un 1 kHz L vi Vi vj vj vj T8
9. the resume button to resume it Changing the Step rate will automatically alter the other settings including the bandwidth and the spectrum size e reducing the step rate will result in a corresponding reduction in the overall bandwidth scanned see below Step Rate IF Bandwidth Spectrum Display Size Large Wide 48 0000MHz Small Medium 1 5000MHz Manual Tuning Manual Radio Tuning Auto Step MHz 100 kHz 1 1kHz VW v i wq x SEH XI IR Bandwidth Wide Attenuator BEES 7 E 100 Hz isable 1kHz Receive Mode Video Mode 10 kHz C USB u 100 kHz C NFM C AM SSH CC SFM C NAM C Cw With manual tuning you can tune more precisely using smaller increments with the arrows above and below the numbers top left of screen You can also use the Auto Step buttons on the right to scan at increments This will scan indefinitely up or down as you set press Stop to end scanning You can also change the frequency by clicking directly onto a displayed green number A drop down menu will appear and the required number can be selected by clicking on it You have the audio FM NFM SFM WAM AM NAM LSB USB and CW and video FM AM Invert and De Emphasis options available as in select frequency mode Frequency Spectrum Scanned Graph MERLIN C Program FilesWerliniDatalShearwater ECM ECMM ull Spectrum Scan scn File Scan View Favourites Tools Help Client s Name Shearwater ECM Locat
10. 3 11 Graph Increments 0 2500 MHz Finished 27 Apr 2005 13 15 Signal graph Wed 27 Apr 2005 13 19 Plot No 001 le Scan View Favourites Tools Help Location Station X Bletchley Park Kl ES Client s Name Shearwater ECM V Black Background Finish 155 5000 MHz St ES Pass No 11 Step Rate Small Bandwidth wide ScanMode Standard Scan Started 27 Apr 2005 13 11 Graph Increments 0 2500 MHz Finished 27 Apr 2005 13 15 Hit graph MERLIN C Program FilesWerliniDatalShearwater ECM ECM Test Scan 2 scn File Scan View Favourites Tools Help Client s Name Shearwater ECM Location Station x Bletchley Park Plot No 001 Wed 27 Apr 2005 13 20 Start EY vu Frequency BESSER MHz Black Background Finish EST vu Step Rate Small Pass No 11 Bandwidth wide ScanMode Standard Scan Graph Increments 0 2500 MHz Started 27 Apr 2005 13 11 Finished 27 Apr 2005 13 15 Signal dB graph Note The Signal dB graph is only available as a Line Graph view Viewing and Locking out Scan Data Locking out non threat signals is a method of refining a scan in order to detect more readily new signals of interest Upon viewing the scan data double click a frequency to zoom in on it then double click again to listen to the frequency If there is no threat then lock this data out by pressing the Lock out button Frequency Zoom gt
11. A connector The HF lead black is then connected to the tripod mounted HF antenna Connect the grey RS232 connector to the laptop serial port Ze A WZ he PC card jed in to the socket labelled DONGLE A When the Dongle is operational the dongles internal light will be lit either Red or Green Quick start Switch on the computer Locate and run the Merlin ECM program by clicking Start gt Programs gt Shearwater ECM gt Merlin ECM or click the icon on the desktop You should now be viewing the Main Screen File Scan View Favourites Tools Help Client s Name Location Plot No Wed 27 Apr 2005 12 20 Start EE vz Frequency EE MHz Black Background Finish mm vu Step Rate Pass No Bandwidth Scan Mode Graph Increments MHz Started Finished Screen shot of the Main Screen First Scan Go to File and select New Scan to start your new scan New Scan Scan Mode om L Clients Name Location Plot No 1001 Start Frequency MHz Min 0 1000 Max 2981 2800 Step Rate Large I F Bandwidth ide Finish Frequency MHz Min 18 8200 Max 3000 0000 VLF LF MF HF VHF UHF 100 kHz gt 3000 MHz Large Cancel VLF LF MF HF100 kHz gt 30 MHz Large VLF LF MF100 kHz gt 3 Mhz Small ax Enter the Clients Name Location and Plot number Type in the Start Frequency and leave the Step Rate at Large Type in the Finish Frequency and click OK You should now see the sta
12. Attenuator Reverse Sense ON from 110 0000 MH From 0 1000 MHz Starting from the top you can see a Use Radio Receiver check box this will be ticked by default To stop communication with the radio untick this box With the next box you can choose the Radio Communications port COM1 COM2 COM3 COM4 COM5 COMG COM7 COM8 COM9 COM10 COM11 and COM12 Below that you will see another check box labelled Use Wideband Antenna If this is ticked only the antenna connected to the UHF VHF connection will be employed If it is left un ticked then you can change the frequency that the VHF UHF antenna is selected Below this frequency the HF VHF antenna will be selected The 10db attenuator need only be switched on if operations are being carried out in a very strong radio frequency environment Signal Settings Signal Settings iw Individual Signal Thresholds iw High Signal Warning iw High Hit Warning above o o dE Absolute rod 40 0 6 B 0 0 MHz to 3 0 MHz threshold lin g value Bes 30 2 26 g dde a jw Possible Threat Warning 400 E gc 3900 MHz d ug I Alarm Sound File 10 2 g 330 0 MHz to 1000 0 MHz C Program FilessMerlinAlarm2 wav El 51 g 1000 0 MHz to 3000 0 MHz Warnings Active after dal passes Cancel On the left you have a choice of selecting the threshold levels for particular areas on the spectrum O MHz 3 MHZ 3 MHz 40 MHz 40 MHz 390 MHz 390MHz
13. SHEARWATER TSCM Science and Innovation Centre Station X Bletchley Park RW Sherwood Drive ae 4 gt e Milton Keynes Co p MK3 6DS UK Tel 44 0 1908 677062 Fax 44 0 1908 230732 Al Mob 44 0 7836 521376 Email info shearwatertscm com e Me A Web www shearwatertscm com eillance COY Merlin User Manual for Windows CONTENTS STRE eL V 3 Ee donet O ak Rm mao toL Eae ot ee er eee 6 PIS OCN srta a T ml e a BEE 9 OUI SOCOM OCA MM TROC a ERN 10 Screen shots from your second scan ccoocccnccccncccnonncncnnncnconnnnnannnnanonannonanonaninnnos 12 Viewing and Locking out Scan Data 13 E eine ln Le ocan Data FeS rrasa E 15 Loading A Previously Saved Datatie 16 Programim Detail is lt td 17 Man Dala SCL DEE 17 Enterina Scan Dalai tutelare cin dard iuda ect utc datu idet ti 18 Spanali F Scala ias 18 A A 19 SP E E DE AEE E A E A uda d edt 19 Standard SCAM E 19 PIOIGOMvACIV ES We GU CIC E 19 Resume when CIS ATS Giese eed epn tat eh edge oe a aLa 19 Resume when cleared and after del 19 Resume anter delay A a a 19 Possible Threat Warning usi miii 19 SDS CU Hm Al ee eed di toda e a e a een ha 21 Manual TUNING cS 22 Frequency Spectrum Scanned Graphie 23 Individaal Frequency GY ADM istics statis a in Fc dr b toe a T TS 24 Selecting Erequenci s eege Lees Lus uique 25 Frequency Breakdown Gran 26 O A A 2f Load Date ayia
14. Sena 375 T amp LO Attenuator BS Receive Mode Bandwidth Wide Temporarily disable le C C EM WAM USB Video Mode C NFM C AN LSB y Q n C SFM C NAM C CW Breakdown Spectrum LockOut Help F1 After double clicking on a frequency a box will be displayed with the frequency you ve selected Depending on the signal percentage the signal will range from red to yellow yellow being for the strongest signal and red for a signal below the threshold Just press Close or press the lt Esc gt key to exit this view Frequency Breakdown Graph Pressing Breakdown from the Select Frequency window will display the Real Time Frequency Breakdown window Real Time Frequency Breakdown 501 2200 Signal Yo Bandwidth At point iw Round to nearest 12 5 kHz Lock Out Hold Gen This continually scans a small band of frequencies on and about the selected frequency and updates accordingly When you select Hold you can listen to the individual frequencies and scan through them by moving the mouse cursor left or right on the graph Just press Resume again to start scanning Just press Close or Esc to return to the Select Frequency window Save Data To save a file click File and select Save You should now enter a filename for your file and press ok to save Load Data To load data previously saved go to File and select Open File then choose the file you want and press OK When it i
15. arge or Small If you wanted to scan the frequencies quickly then select Large but it will not have as many individual frequencies initially selected Then enter the finishing frequency from 18 72 MHz higher than the start frequency and 3000 MHz Note At the bottom of the New Scan screen you will see three pre programmed scans 100kHz gt 3000MHz Large 100kHz gt 30MHz Large and 100kHz gt 3MHz Small When the scan data is entered press OK to continue Scan menu Stop scan Standard Scan no stopping Hold on active frequency Resume when cleared Resume when cleared and after delay Only available when scan is stopped Resume after delay e Auto save data selected by default Stop Scan Scan gt Stop Scan only available when scanning Stops any scan currently in progress Standard Scan Scan Standard Scan Starts a standard scan with no stopping using the data you input when on the New Scan window such as Start Frequency Finish Frequency and Step Rate The scan will not stop if you require selection of a frequency first stop the scan by pressing Stop Scan see above Note The scan will stop if there is High Hit and a High Signal when Possible Threat warning is enabled Hold on active frequency Scan gt Hold on active frequency Starts a scan which goes from the lowest to the highest frequency during this scan if a signal is passed which breaks the Signal threshold it will display an Act
16. e bottom you have boxes for Step Rate Pass No Bandwidth Scan Mode Graph Increments Time Started and Time Finished Also when you scan in the black boxes below the graph area will see the Start Frequency Mid Frequency and the Finish Frequency You can choose to have a black or a white background with the check box towards the right of the screen Note Until you ve made a scan all boxes apart from the date time will remain empty Entering Scan Data Scan Mode C Clients Name Location Plot No 001 Start Frequency MHz Min 01000 Max 2981 2800 Step Rate Lage I F Bandwidth ide Finish Frequency MHz Min 18 8200 Max 3000 0000 VLF LF MF HFAVHE UHF 100 kHz gt 3000 MHz Large Cancel VLF LF MF HF100 kHz gt 30 MHz Large VLF LF MF100 kHz gt 3 Mhz Small x When starting a new scan you will be asked to enter the scan data such as Scan Mode the Start Frequency Finish Frequency and Client details Spatial RF Scan Select Standard Scan Enter the Clients Name this is the name of the company person you are scanning for Now enter the Current location this will be the town or city in which you are performing the analysis Key in the Plot number which will be used for the filename and will be placed in a folder of the same name as the Clients name see above You can now enter the start frequency from 100 kHz and 2981 28 MHz Next you Select the Step Rate either L
17. e frequency to confirm Receive Mode Bandwidth wide w Alarm Sound FM WAM USB i C NFM AM LSB Attenuator Sa Breton Lockout C SFM C NAM C Cw Temporarily disable D Stop Scan Resume When a frequency is a High Hit and High Signal the Possible Threat window will be displayed and an alarm will sound Note The Possible Threat Warning is not selected by default it must be turned on in Tools gt Configuration gt Signal Settings you can then choose when it comes on and choose if an alarm is sounded See page 30 The warning sound can be changed as there are several different alarm wav files available from the menu Spectrum Analyser The Spectrum Analyser is used to interrogate the radio frequency spectrum closely Spectrum Analyser xi View Spectrum Display Size 24 0000 MHz 48 0000 MHz 24 0000 MHz EN BET EE rn KEE Key Cursor pointer 115 3600 MHz v Show Memory Line ive Data Line Step Rate Scans 3 Attenuator MT Temporarily disable SC Bandwidth wie Hold When you have one pass completed you will see a green line showing the actual trace and a red line showing memory The memory trace can be removed by un checking the box on the right hand side Enter a different Center Frequency by clicking in the middle box Press enter to accept the new entered data You can also change the Step Rate during a scan Hold ALT H to hold a scan and click
18. ion Station X Bletchley Park Start 0 1000 MHz Frequency 1500 1000 MHz Step Rate Large Pass No 2 Bandwidth wide ScanMode Standard Scan Graph Increments 299 9900 MHz Started 27 Apr 2005 13 52 Finished 27 Apr 2005 14 07 Plot No 003 Wed 27 Apr 2005 14 08 v Black Background Finish EMT MHz This graph shows all the frequencies that have been scanned and can allow for close inspection of a frequency Underneath the graph are the Start and Finish frequencies then in the middle is the frequency your cursor is currently on or the centre frequency if your mouse is out of the Graph area Individual Frequency Graph Frequency Zoom Exit Zoom View Report Help D Client s Name Shearwater ECM Location Station X Bletchley Park Plot No 003 Cursor Frequency 4 b Start REEL vr 501 2200 vr V Black Background Finish MERA H2 Step Rate Large Pass No 2 Zoom View al Bandwidth wide ScanMode Standard Scan 1 Graph Increments 3 7920 MHz Started 27 Apr 2005 13 52 E Finished 27 Apr 2005 14 07 This graph displays the individual frequencies which can be closely inspected by double clicking on a selected signal Again at the top of the screen is displayed the Clients Name Location and Plot Number The middle of the screen is the main graph display Selecting Frequencies Select Frequency o E e Hits 100 0
19. ive frequency window you can choose to lock out resume or stop scan Note If you are getting a lot of high Hit then increase the Signal Threshold for the frequency Resume when cleared Scan gt Resume when cleared This scan will ascend through the frequencies and does the same as above but when a signal is cleared the scan will continue Resume when cleared and after delay Scan gt Resume when cleared and after delay Does the same again but if a cleared signal becomes active within 5 seconds the process is repeated Resume after delay Scan gt Resume After Delay Stops scan when an active frequency is found then continues after a 5 second delay even if the frequency is still active Possible Threat Warning This is an automatic warning facility It responds to a combination of High Signal and High Hit9o There are no fixed parameters for this they have to be selected to match the criteria for the particular locality The Signal is a figure in addition to the threshold level thus being relative to the threshold level across the entire band of the receiver The default setting will assist in evaluating the required values for a specific task Possible Threat Warning POSSIBLE THREAT Possible Threat WARNING Possible Frequency 98 0800 MHz has aSignalof 73 7 The Signal has been active 13 out of 13 passes Giving a Hit percentage of 100 0 and could be a POSSIBLE THREAT Listen to th
20. n listen to a frequency by double clicking on its signal The Select Frequency window will display Select Frequency a S 00 Hits 1000 wel SU 1 NN Attenuator RTT Receive Mode Bandwidth Wide oe isable FM WAM C USB NFM C AM LSB C o B E C SFM NAM 6 CW Breakdown Spectrum LockOut Help F1 Video Mode Adjust the volume to a comfortable level by using the volume control on the Merlin and or the headphones When you have finished listening to the frequency you can exit this window by clicking on either close or the X in the top right hand corner While in the Frequency Zoom window you can experiment with the mouse by double clicking on individual frequencies on the graph or dragging the scroll bar under the graph Note To exit the Frequency Zoom window just click on the Exit Zoom button near the bottom right hand corner Hit Graph Once you have acquired more than one Pass a graph of Hit activity will be available To view this go to View and select Hit Graph The graph should look something like this MERLIN C Program FilesWerliniDatalShearwater ECM ECM Test Scan 1 scn File Scan View Favourites Tools Help Client s Name Shearwater ECM Location Station X Bletchley Park Plot No 001 Wed 27 Apr 2005 12 59 Start Y vu Frequency 274 7200 MHz i Black Background Finish TOON Hz Step Rate Large Pass No 3 Bandwidth wide Sca
21. nMode Standard Scan Graph Increments 100 0000 MHz Started 27 Apr 2005 12 35 Finished 27 Apr 2005 12 47 Once in this view you still have the same options available to you Your Second Scan Now we ll try a different scan go to File and select New Scan to enter new scan data New Scan Scan Mode e Standard Scan Extended Sca I Clients Name Shearwater ECM Location Station x Bletchley Park Plot No 1002 Start Frequency 153 MHz Min 0 1000 Mal 2999 4150 Step Rate 5er E I F Bandwidth hide Finish Frequency 155 5 MHz Min 1535850 Max 552 1100 Cancel VLF LF MF100 kHz gt 3 Mhz Small Enter the Clients Name Location and Plot Number Key in the Start Frequency as 153 MHz and a Finish Frequency of 155 5 MHz Select a Step Rate of Small then click OK Now start the scan press Alt S then S again for a Standard Scan Use the view tab to change between Signal the signal strength of each frequency Hit how active each frequency is and Signal dB shows the decibels of each frequency graphs Now switch between Line and Bar graphs You can set a warning triggered by the Signal and Hit when they exceed a chosen percentage to configure this go to Tools then Configurations and select Signal Settings and choose when you want the warnings to be displayed Signal Settings jw Individual Signal Thresholds jw High Signal Warning jw High Hit Warning above o o d Absolute pa
22. rt finish and centre frequencies as well as any other data Go to Scan and select Standard Scan to start your scan Once you have sufficient results go Scan gt Stop Scan to stop your current scan You should see your results on the computer monitor similar to this MERLIN Untitled File Scan View Favourites Tools Help Client s Name Shearwater ECM Location Station X Bletchley Park Plot No 001 Wed 27 Apr 2005 12 47 Start TT Frequency E MHz V Black Background erh STON Fz StepRate Large Pass No 3 Bandwidth Wide ScanMode Standard Scan Graph Increments 100 0000 MHz Started 27 Apr 2005 12 35 Finished 27 Apr 2005 12 47 If your computer monitor doesn t show this you may not have bar chart view selected For a display in Bar go to View and select Bar Graph You can now zoom in by double clicking on any area of your scan Then press Alt and Z together and use the up and down arrows to control the zoom level Ef Frequency Zoom Exit Zoom View Report Help Client s Name Shearwater ECM Location Station X Bletchley Park Plot No 001 Cursor Frequency 4 gt Stat ESET vr 611 6800 ig V Black Background Finish SEN vr Step Rate Large Pass No 3 Zoom View E Bandwidth Wide Scan Mode Standard Scan ee Graph Increments 4 2720 MHz Started 27 Apr 2005 12 35 E Finished 27 Apr 2005 12 47 When in the Frequency Zoom window you ca
23. s loaded you will be back at the main data screen Comparing Data This part of the program is for comparing data between two files This is used to pinpoint frequencies that may have been overlooked by being able to view additions and omissions File Comparison File Report Show Reference File d Plot No Comparison File Browse Plot No Show Amplitud E Omission Signal Frequency MHz Signal Addition Ehandes Mom Client Name Difference Than Detail Location E Freq Start 0 0000 MHz Scan Mode Freg End 0 0000 MHz Files Differ by 0 0 EN Step Rate No of different 0 Bandwidth frequencies If you selected a Client name this will have been used to create a folder with an ECM suffix for your results if not they will be in your default folder Using the Browse buttons will ease the selection of similar scans The program will now compare the two files File Comparison File Report Show Reference File C Program Files Merlin Data Shearwater ECM ECM Test Scan 2 scn Browse Plot No 001 Comparison File C Program Files Merlin D ata Shearwater ECM ECM Test Scan 2 Number 2 scn d 7 Plot No 001 Show Amplitude mission Signal Frequency MHz Signalz Addition Changes More Client Name Shearwater ECM Shearwater ECM 153 2250 48 2 Than Location Station X Bletchley Park 153 2700 47 1 P A Monitor D ER Station
24. x Bletchley Park Freq Start 1530000 MHz Scan Mode Standard Scan 153 4200 50 2 Difference Detail Freq End 155 5000 MHz 153 4350 47 5 CoU NEM 4500 45 5 Step Rate Small 4650 44 7 r No of different 12 4800 42 0 e Bandwidth Wide frequencies The differences are shown in the Difference Detail box at the top to listen to one of these click on the frequency and press the Monitor button Manual Radio Tuning Auto Step pum 100 kHz BER ERR 7 V V V 1 kHz psp SE SE YJ SST SCH SET SEH Hr Bandwidth Medium Attenuator RT HN 7 Temporarily 100 Hz disable i1kHz Receive Mode Video Mode pt 10 kHz C WAM C USB SS e e 100 kHz You can fine tune the frequency using the arrows above and below each number in the manual tune window You can also see the number of different frequencies in a small box on the right of your screen To print in text or graph form go to the Report tab at the top and choose your desired format Cross off the window and you will return to the Main Data screen Program Configuration Access these settings by clicking Tools and selecting Configurations Radio Settings Radio Settings iw Use Radio Receiver Radio Pot COMS Radio Online Cancel Use Wideband Antenna only MHz From 30 0000 MHz Switch Antenna at 200 0000 to 300 0000 MHz iw Use 10 dB
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