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Site Master Model 251A User's Guide, Rev A

1. 1 00 800 0 FREG 2000 0 Fi 800 0 MHZ 2000 0 2 yrs y y o ym Figure 3 3 SWR Measurement Mode Calibration Results 3 8 Chapter 3 Operation Cable Return Loss Measurement Step 13 Disconnect the Load and connect the test port exten sion cable to the REFL test port Connect the Load to the open end of the test port extension cable as shown in Figure 3 1 Setting the Limit Line Step 14 Step 15 Press the SCALEJkey to call up the Scale Menu page 2 14 Press the LIMIT soft key and enter 2 7 using the keypad or Up Down Arrow key Press ENTER to set the limit line to 27 Setting the Markers Step 16 Step 17 Step 18 Step 19 Press the I MARKER key to call up the Markers menu page 2 23 Press the M1 soft key to select the marker func tion Press EDITjsoft key and enter 8 2 4 using the keypad or Up Down Arrow key Press ENTER to set to 824 MHz Note pressing the ON OFFJsoft key activates or deactivates the M1 marker function Press the IBACK Jsoft key to return to the Markers menu Repeat steps 17 and 18 for markers M2 M3 and M4 Set M2 to 960 MHz MG to 1710 MHz and M4 to 1990 Mhz Figures 3 4 and 3 5 depict the cable re turn loss measurement 3 9 Chapter 3 Operation dE LOSS 54 00 800 0 FREG rhiHz 2000 0
2. Press the SAVE DISPLAY key to save DTF measurement to the next memory location see step 19 for details Chapter 3 Operation n nn i OISTANCE TO FAULT CAL UN 4 5 Lim OFF ji 54 00 3 DIST m 2 0 bd1 gi n HdE 1 5m 13 54 g Dra bdd 37 DBHdE 0 0m 144 54 0086 2 0m Figure 3 9 DTF Return Loss Measurement Results Cable Quality 1 04 DISTANCE TO FAULT CAL OW 4 5 Lim OFF 1 00 0 0 DIST 2 0 tdi i P 1 5m 113 1 05 2 0m hig i D3 0 0m Ii3 1 DD 2 0m Figure 3 10 DTF SWR Measurement Results Cable Quality 3 19 Chapter 3 Operation Insertion Gain Amplifier Measurement The following frequency domain measurement is an example of a In sertion Gain Amplifier measurement over a selectable frequency range Required Equipment e Site Master Model S251A e 2 Precision 7 16 f Open Short Load Anritsu 2000 768 2 Test Port Extension Cable Anritsu 15NDF50 1 5A e 7 16 Adapter Anritsu 510 97 e Tower Mount Amplifier Ericsson A57001HQ85 Device Under Test Specification Type Frequency Range Gain Typical TMA 1880 to 1910 MHz 12 dB Procedure Step 1 Press the ON OFF on the Site Master Insertion Gain Mode Selection Step2 Press the soft key Step 3 Use the Up Down Arrow ke
3. Refer to pages 2 23 thru 2 25 for a description of marker functions Setting Scale Limits 3 4 Step 7 Step 8 Press the SCALE key on the keypad or the SCALE soft key from the Main Menu Accept or change the settings To change press the applicable BOTTOM or LIMIT soft key and either Q Enter a numeric value from the keypad and press the Or press the Up Down Arrowjkey and press the ENTER key Chapter 3 Operation Return Loss SWR and Cable Loss One Port Measurement The following frequency domain measurement is an example of a Return Loss or Standing Wave Ratio and Cable Loss measurement made over a selectable frequency range Required Equipment e Site Master Model 5251 e Precision Open Short Anritsu 22N50 e Precision Load Anritsu SM PL Test Port Extension Cable Anritsu I5NNFE50 1 5A Device Under Test Specification Type Typical Loss 1 5m Vg 0 40 dB 800 MHz 15NNF50 1 5A 45 dB 0900 MHz 0 86 0 0 60 dB 91710 MHz 0 70 dB 01990 MHz Procedure Step 1 Press on the Site Master Selecting the Measurement Mode Step2 Press the MODE soft key 3 5 Chapter 3 Operation Step 3 Use the Up Down to scroll to Return Loss or SWR Press to select Return Loss or SWR measurement mode Load Short Open
4. SettingOptions Setting Markers Setting Scale Limits Return Loss SWR and Cable Loss One Port Measurement Required Equipment Device Under Test Specification Proced ra us cs AREE Selecting the Measurement Mode Selecting the Frequency Range Performing a Calibration Cable Return Loss Measurement Setting the Limit Line Setting the Markers Saving Display to Memory Cable Loss Measurement Scaling the Display Saving Display to Memory DTF Measurement Required Equipment Device Under Test Specification Proc dure 53s om DTF Parameters Performing a Calibration DTF Measurement Determining the Length of the Cable DTF Measurement Determining the Quality of the Cable sos sarea movens 3 13 Insertion Gain Amplifier Measurement 3 20 Required Equipment 2 3 20 Device Under Test Specification 3 20 Procedure s 4 ose om BI Bw se om m Rs 3 20 Insertion Gain Mode Selection 3 20 Selecting the Frequency Range 3 21 Performing a Calibration 3 21 Amplifier Gain Measurement 3 24 Setting the Markers 3 2
5. Nominal Attenuation in dB m 1000 MHz Distance Provides for setting the cable loss and relative propa Sub Menu gation velocity of the coaxial cable Selected values may be changed using the Up Down Arrow key or keypad Choosing MORE causes the soft keys below to be displayed and the corresponding values to be shown in the message area CABLE LOSSJ Opens the Cable Loss parameter for data entry Enter the loss per foot or meter for the type of transmission line being tested Press ENTER when data entry is complete Range is 0 000 to 5 000 dB m or 0 000 to 1 000 dB ft PROP Vj relative propagation velocity Opens the Propagation Velocity parameter for data entry Enter the propagation velocity for the type of transmission line being tested Press when data entry is complete Range is 0 010 to 1 000 Chapter 2 Connectors and Controls CABLE Opens a cable folder containing a stan dared cable list and a custom cable list Use the Up Down Arrow key and ENTER key to select ei ther the standard cable list or custom cable list Then use the Up Down Arrow key and ENTER key to make a cable selection from the selected list This feature provides a rapid means of setting both cable loss and propagation velocity NOTE Standard cable loss is specified at 1000 MHz The custom cable list must be downloaded via the cable download program supplied
6. i POWER MONITOR See Below OPTION SUB MENU RF SOURCE See Below MODE MENU TITLE SOFT KEY LABELS PAGE FREQ MAIN MENU MODE FREQ SCALE OPT 2 9 Perault FREQUENCY MENU F1 F2 MAIN 2 13 Mode N C h SCALE MENU TOP BOTTOM LIMIT MAIN 2 14 4 B1 B2 B3 OPTION MENU B4 MORE 2 15 5 B6 OPTION SUB MENU B7 B8 MAIN 2 16 DTF MAIN MENU MODE bist SCALE OPT 2 10 r ee DISTANCE MENU D1 D2 DTF AID MORE 2 17 e c DISTANCE SUB MENU 1055 PROP V CABLE wiNDW MAIN 2 18 Ae SCALE MENU TOP BOTTOM LIMIT MAIN 2 14 Nem Ne B1 B2 i OPTION MENU B3 B4 MORE 2 15 i B5 Be OPTION SUB MENU B7 B8 MAIN 2 16 POWER MONITOR MAIN MENU UNITS REL OFFSET ZERO MAIN 2 11 RF SO RCE MAIN MENU FREQ POWER MAIN 2 12 Figure 2 3 Site Master Menu Structure 2 8 Chapter 2 Connectors and Controls Main Menu At turn on the Main Menu soft keys below are dis played and the Marker status is shown in the mes sage area MODE FREQ scaLE OPT These soft keys provide the following menu selec tions MODE Selects the type of measurement Use the Up Down Arrow key and the ENTER key to select the type of measurement in the FREQ DTF POWER MONITOR and RF SOURCE measure ment modes FREQJ Selects the Frequency Menu desc
7. Chapter 2 Connectors and Controls a WINDW Opens a menu of FFT windowing types for the DTF calculation Scroll the menu using the Up Down Arrow key and make a selec tion with NOTE Using Windowing The theoretical requirement for inverse FFT is for the data to extend from zero frequency to infinity Side lobes appear around a discontinuity due to the fact that the spectrum is cut off at a finite frequency Win dowing reduces the side lobes by smoothing out the sharp transitions at the beginning and end of the fre quency sweep As the side lobes are reduced the main lobe widens thereby reducing the resolution In situations where there may be a small discontinuity close to a large one side lobe reduction Windowing should be used When distance resolution is critical Windowing can be reduced The types of Windowing in order of increasing side lobe reduction are rectan gular nominal side lobe low side lobe minimum side lobe Figures 2 4 thru 2 7 on pages 2 21 and 2 22 are examples of the types of Windowing MAINJ Returns to the Main Menu Chapter 2 Connectors and Controls 15 20 25 30 Return Loss dB 35 40 45 50 Distance To Fault 15 20 25 30 Feet 35 40
8. HP Deskjet 340 Printer Part No 2000 766 Serial to Parallel Converter Cable use with the HP 340 Printer Part No 2000 753 Seiko DPU 414 Thermal Printer Part No 2000 754 U S or 2000 761 Europe US Adapter use with the DPU 414 Printer Part No 2000 1002 Europe Adapter use with the DPU 414 Printer Part No 2000 1003 Battery Pack use with the DPU 414 Printer Part No 2000 1004 Serial Interface Cable use with the DPU 411 Printer Part No 2000 XXX Thermal Paper use with the DPU 411 DPU 414 Printer Part No 2000 755 Performance Specifications Performance specifications are provided in Table 1 1 on the following page 1 5 Chapter 1 General Information Table 1 1 Performance Specifications 1 of 2 Specifications are valid when the unit is calibrated at ambient tem perature after a 5 minute warmup Description Frequency Range Frequency Accuracy RF Source Mode Frequency Resolution SWR Range Resolution Return Loss Range Resolution Cable Insertion Loss Range Resolution Insertion Loss Gain Range Resolution Distance To Fault DTF Range Resolution in meters Rectangular Windowing Bias Tee Input Voltage Output Current Value 625 to 2500 MHz 75 parts per million 25 C 100 kHz 1 00 to 65 00 0 01 0 0 to 54 00 dB 0 01 dB 0 0 to 54 00 dB 0 01 dB 120 0 to 100 0 dB 0 01 dB 0 to Resouti
9. hii 45 B5 33 90 1711 6 nz hig 35 3 958 1 2 hi4 31 70 1990 7 2 Figure 3 4 Cable Return Loss Measurement Results STAHDIHG WAVE RATIO 800 0 FREG hMH23 2000 0 h11 1 01 827 9 hd Hz h13 1 08 1711 5 MHz 1 958 1 MHz h14 1 0B 1990 7 MHz x gone y Figure 3 5 Cable SWR Measurement Results 3 10 Chapter 3 Operation Saving Display to Memory Step 20 Press the SAVE DISPLAY key to save the return loss measurement Press ENTER to save to the cur rent empty memory location or use the keypad or the Up Down Arrow to select another memory loca tion Press the ENTER key to implement Use the keypad or the Up Down to manually enter the Time Date and Trace Designator for the save display Cable Loss Measurement Step 21 Step 22 Disconnect the Load and connect the Short to the end of the test port extension cable Figure 3 1 Observe the displayed measurement Press the BA CKJsoft key the soft key and thelMODBjsoft key to activate the measurement mode Use Up Down to select CABLE LOSS ONE PORT Press to indicate selection Scaling the Display Step 23 Press the and BOTTOM soft key Enter 1 using the keypad or Up Down Arrow key and press the IENTER key to change the mar
10. 45 50 55 60 Figure 2 4 Rectangular Windowing Example Distance To Fault 10 15 20 25 30 Return Loss dB 35 40 45 50 TTTTTTTTTTTT E TTTT TTTT HT TTT TTTTTTTTT om 15 20 25 30 Feet 35 55 40 45 50 60 Figure 2 5 Nominal Side Lobe Windowing Example Chapter 2 Connectors and Controls Distance To Fault 25 30 Return Loss dB 35 40 45 5 10 15 20 25 30 35 40 45 50 55 60 Feet Figure 2 6 Low Side Lobe Windowing Example Distance To Fault Return Loss dB 35 40 45 50 Feet Figure 2 7 Minimum Side Lobe Windowing Example 2 22 Chapter 2 Connectors and Controls Markers Provides for setting marker values Selected fre Menu quency marker or distance marker values may be changed using the keypad or Up Down Arrow key Pressing the MARKER key causes the soft keys be low to be displayed and the corresponding values to be shown in the message area a M1 Selects the M1 marker parameter display ing either frequency or distance and the corre sponding SWR RL CL or IL IG and opens the Markers 2nd Level Menu described o
11. delta frequency or distance for the se lected marker with respect to the M1 marker a Selects the Markers 3rd Level Menu described on page 2 25 a BACK Returns to Main Markers Menu Chapter 2 Connectors and Controls Markers Provides selections for placing the selected marker at Menu the frequency or distance with the maximum or mini 3rd Level mum SWR RL CL or IL IG Choosing causes the soft keys below to be displayed and the corresponding values to be shown in the message area PEAK VALLEY BACK MKRS Places the selected marker at the fre quency or distance with the maximum SWR RL CL or IL IG Each time the PEAK soft key is pressed the marker will find the next peak value Up to to 5 consecutive peak values can be se lected VALLEY Places the selected marker at the fre quency or distance with the minimum SWR RL CL or IL IG a BACK Returns to the Markers 2nd Level Menu a IMKRS Returns to the Main Markers Menu Chapter 2 Connectors and Controls Determining Remaining Battery Life When the AC DC adapter is disengaged from the Site Master a bat tery indicator symbol is continuously displayed at the top right corner of the display Figure 2 8 A totally black bar indicates a fully charged battery Remaining Battery Life Sliding Gauge Symbol E RETURN LOSS 900 0 FREQ MHz 1100 0 M1
12. frequency range that is different from the current range 2 32 Chapter 2 Connectors and Controls Table 2 3 Range Error Messages 2 of 3 Error Message Description DIST REQUIRES Valid distance to fault plots require a non F1 F2 zero frequency span DIST REQUIRES Distance to fault measurements do not pro CAL vide usable data with CAL OFF NO STORED Attempting to recall a display from a loca SWEEP AT THIS tion that has not been previously written to LOCATION That is the location does not contain stored sweep USE OPTIONS Attempting to print a display with no printer MENU TO selected Select a printer then retry SELECT A PRINTER DISTANCE AND DTF measurements only display RL or CABLE SWR versus distance INSERTION LOSS MODE ARE INCOMPATIBLE CANNOT ZERO Attempting to perform a Power Monitor NO DETECTOR zero adjust function with no RF detector INSTALLED connected to the Site Master CANNOT ZERO Attempting to perform a Power Monitor INPUT SIGNAL zero adjust function with an input of greater TOO HIGH than 20 dBm POWER MONITOR Attempting to enter Power Monitor mode OPTION NOT with no option 5 installed INSTALLED Chapter 2 Connectors and Controls Table 2 3 Range Error Messages 3 of 3 Error Message BIAS TEE OPTION NOT INSTALLED BIAS TEE ONLY VALID WHEN EXTERNAL POWER IS ON EXCESS POWER DETECTED IN TRANSMISSION MODE TRACE 2 IS ONLY VALID IN INSERTION GAIN LOSS MODE ST
13. the transmission line Variations in the signature between maintenance intervals offer a good indication of damage or damage causing conditions Printing Captured traces may be printed from a PC using Site Master Software Tools Once a captured trace has been downloaded choose Print under the File menu for printing options The printer setup can be altered plots can be scaled and multiple plots can be printed from the Print dialog box 4 14 Appendix A Reference Data Description Table A 1 provides a standard listing of common coaxial cables along with their Relative Propagation Velocity and Nominal Attenuation in dB m 1000 values Figure 1 page 4 is a plot of maxi mum range and resolution vs frequency span Table 1 Coaxial Cable Technical Data 1 of 3 Cable Type Relative Propagation Nominal Attenuation Velocity dB m 1000 MHz RG8 8A 10 10A 0 659 0 262 RGS9 0 659 0 289 RG17 17A 0 659 0 180 RG55 55A 55B 0 659 0 541 RG58 58B 0 659 0 558 RG58A 58C 0 659 0 787 RG142 0 690 0 443 RG174 0 660 0 984 RG178B 0 690 1 509 RG187 188 0 690 1 017 RG213 U 0 660 0 292 RG214 0 659 0 292 RG223 0 659 0 535 A 1 Appendix A Reference Data Table A 1 Coaxial Cable Technical Data 2 of 3 Cable Type Relative Propagation Nominal Attenuation Velocity dB m 1000 MHz FSJ1 50A 0 840 0 197 FSJ2 50 0 830 0 134 FSJ4 50B 0 810 0 119 LDF4 50A 0 88
14. to D2 using the Up Down Arrow key then press ENTER to select cable length NOTE Where CAL ON is indicated on the Site Master press the DIST soft key then the DTF AIDJsoft key to acti vate the DTF parameters table Step 5 Enter 2 using the keypad or Up Down Arrow key Press ENTER to set D2 to 2 meters Step 6 Use the Up Down Arrow to scroll to CF and press ENTER to select center frequency Step 7 Enter 1 4 0 0 using the keypad or Up Down Arrow key Press ENTER to set CF to 1400 MHz NOTE The reason CF 1562 5 MHz rather than 1400 MHz is that the maximum resolution distance given the maximum frequency bandwidth of the Site Master 625 to 2500 Mhz is 8 9 meters Therefore D2 of less than 8 9 meters will have a CF 1562 5 MHz Step 8 Use the Up Down Arrow to scroll to PROP VEL and customize cable propagation velocity 3 14 Chapter 3 Operation Step 9 Enter 8 6 using the keypad or Up Down Arrow key set PROP VEL value to 0 86 Step 10 Use the Up Down Arrowjkey to scroll to LOSS and press ENTER to customize cable loss Step 11 Enter 3 using the keypad or Up Down Arrow Press ENTERjto set LOSS value to 0 3 Performing a Calibration Step 12 select EXIT START CALIBRA TION or EXIT START RE CALIBRATION to start calibration Follow the ensuing ins
15. 0 0 08 reato peel 0 06 0 04 0 02 0 0 0 500 1000 1500 2000 2500 frequency spen MHz 3000 0 00 3500 Maximum Distance and Resolution vs Frequency Span 88 3 00 2 80 4 1 2 B0 mex after es 2 40 2 20 2 00 L 1 80 1 60 1 40 1 20 1 00 0 90 0 60 0 40 0 20 0 50 0 00 100 150 200 250 300 350 400 450 500 550 600 frecuency span resclution rr resolution rri Figure 1 A 4 Maximum Distance and Resolution vs Frequency Span Anritsu Color Cover P N 00986 00022
16. 0 0 077 LDF5 50A 0 890 0 043 LDF6 50 0 890 0 032 LDF7 50A 0 880 0 027 LDF12 50 0 880 0 022 HJ4 50 0 914 0 087 HJ4 5 50 0 920 0 054 HJ5 50 0 916 0 042 HJ7 50A 0 921 0 023 LMR100 0 800 0 792 LMR200 0 830 0 344 LMR240 0 840 0 262 LMR400 0 850 0 135 LMR500 0 860 0 109 LMR600 0 870 0 087 LMR900 0 870 0 056 LMR1200 0 880 0 044 LMR1700 0 890 0 033 HCC12 50J 0 915 0 042 HCC78 50J 0 915 0 042 HCC158 50J 0 950 0 023 A 2 Appendix A Reference Data Table 1 Coaxial Cable Technical Data 3 of 3 Relative Propagation Nominal Attenuation Gable Type Velocity dB m 1000 MHz HCC300 50J 0 960 0 014 HCC312 50J 0 960 0 013 HF 4 1 8 Cu2Y 0 970 0 010 HF 5 0 960 0 007 HF 6 1 8 Cu2Y 0 970 0 006 FLC 38 50J 0 880 0 115 FLC 12 50J 0 880 0 075 FLC 78 50J 0 880 0 045 FLC 114 50J 0 880 0 034 FLC 158 50J 0 880 0 029 CR50 540PE 0 880 0 070 CR50 1070PE 0 880 0 038 310801 0 820 0 115 311201 0 800 0 180 311501 0 800 0 230 311601 0 800 0 262 311901 0 800 0 377 352001 0 800 0 377 Appendix A Reference Data distence 14 mex distance 30 28 26 24 22 20 18 16 12 10 8 maga atl 28 26 co co C3 cy cic r3 t Maximum Distance and Resolution vs Frequency Span 88 0 30 0 28 0 26 0 24 pen 0 22 0 20 0 18 0 16 0 14 0 12 0 1
17. 00 753 Figure 2 9 Printer Setup 2 28 Chapter 2 Connectors and Controls Symbols Table 2 1 provides a listing of the symbols used as condition indicators on the LCD display Self Test At turn on the Site Master runs through a series of quick checks to en sure the system is functioning properly Note that the battery voltage and temperature are displayed in the lower left corner below the self test message If the battery is low or if the ambient temperature is not within the specified operational range Self Test will fail If Self Test fails AND the battery is fully charged AND the Site Master is within the specified operating range call your Anritsu Service Center Error Codes Self Test Errors A listing of Self Test Error messages is given in Table 2 2 Range Errors A listing of Range Error messages is given in Table 2 3 Replacing the Battery Replacing the battery is the only recommended field level maintenance action If your battery fails contact your Anritsu Sales Office or Serv ice Center Table 1 2 page 2 11 provides a listing of current service centers 2 29 Chapter 2 Connectors and Controls Table 2 1 LCD Icon Symbols Icon Symbol Site Master is in Hold or Power Conservation mode To resume sweeping press the RUN HOLD key After 10 minutes without a key press the Site Master will automatically enter into its power conservation mode Ind
18. 30 75 dB AT 1000 MHz M2 21 10 dB AT 1050 MHz FREQ SCALE Figure 2 8 Battery Monitor Chapter 2 Connectors and Controls Printing Printing is accomplished with any of the following printers the Seiko DPU 411 thermal printer the Seiko DPU 414 thermal printer or the Hewlett Packard DeskJet 340 ink jet printer Figure 2 9 shows a setup diagram for these two types of printers Printer Switch Settings Set the switches SW1 and SW2 on the Seiko DPU 411 thermal printer as follows Switch 1 2 3 4 5 6 7 8 SW1 OFF ON ON ON ON OFF ON ON SW2 ON ON ON OFF OFF OFF Set the switches SW1 SW2 and SW3 on the Seiko DPU 414 thermal printer as follows Swtch 1 2 3 4 5 6 7 8 SW1 OFF ON ON ON ON OFF ON ON SW2 ON ON ON ON ON ON ON OFF SW3 ON ON ON OFF OFF ON ON ON Set the switches on the serial to parallel interface cable to the HP Desk jet 340 ink jet printer as follows SW2 53 SW4 SW5 SW6 SW7 SW8 OFF ON OFF OFF OFF OFF OFF OFF Chapter 2 Connectors and Controls Printing a Screen Step 1 Connect the printer as shown in Figure 2 9 Step 2 Obtain SWR RL CL Insertion Loss Insertion Gain or Distance to Fault measurement display Step3 Select the printer using the B7 soft key from the Option Sub Menu page 2 16 Step 4 Press the Figure 2 1 page 2 0 SEIKO 2000 754 or 2000 761 SERIAL TO PARALLEL INTERFACE CABLE 20
19. 4 Activating the Bias 3 27 Scaling the Display 3 27 Saving Display to Memory 3 28 Making Power Measurements 3 29 Entering Power Monitor Mode 3 29 Zeroing the Power Monitor 3 29 Measuring High Input Power Levels 3 29 Displaying Power dBm and Watts 3 30 Displaying Relative Power 3 30 RF Source Operation 3 31 Generating CW Frequency 3 31 Software Tools Program 4 1 Description 41 Requirements 4 Communication Port Setting 4 2 Changing COM Port Settings Windows 3 1 4 2 Changing COM Port Settings Windows 95 4 4 Software Installation 4 6 Plot Capture 4 8 Capture multiple to database 4 8 Capture multiple traces to PC screen 4 9 Single trace capture 4 10 Program Operation 4 11 Fault Location Software 4 11 Smith Chart Software 4 12 Saving a Plot as a Windows Metafile 4 12 mma Saving Data to a Spreadsheet 4 13 Saving Data to a Database 4 13 Drag n Drop 4 14 Printing 4 5 2939 ror y Re 4 14 Appendix A Reference Data A 1 Description A 1 How to Use this Manual The operation of the Site Master is straightforward and intuit
20. 40 0 FREG 2000 0 hil lil B 1879 7 MHz M3 0 6 1960 382 11 1909 5 hiu D 7 1880 1 Hz Figure 3 16 Measurement Display of Amplifier Gain Saving Display to Memory Step 25 Press the SAVE DISPLAY key to save the amplifier 3 28 gain measurement Press ENTER to save to the cur rent empty memory location or use the keypad or the Up Down Arrow key to select another memory loca tion Press the ENTER key to implement Use the keypad or the Up Down Arrow key to manually enter the Time Date and Trace Designator for the save display Chapter 3 Operation Making Power Measurements Power measurement is accomplished using a broadband 1 Mhz to 3 Ghz RF detector P N 5400 71N50 The power monitor displays the measured power in dBm or Watts Entering Power Monitor Mode Step 1 Step 2 Press thel MODEjsoft key from the Main menu page 2 9 Use Up Down Arrow key to scroll to POWER MONITOR Press select power monitor mode Zeroing the Power Monitor Step 3 With no power applied to the DUT press the soft key from the Power menu page 2 11 Wait a few seconds while the Site Master accumulates sam ples of the quiescent power level When complete ZERO ADJ ON is displayed in the message area Measuring High Input Power Levels Step 4 Step 5 Step 6 Insert an attenuator between the DUT and the
21. Anritsu Site Master S251A Antenna and Cable Analyzer User s Guide Hand Held Tester For Antennas Transmission Lines And Other RF Components Color Cover P N 00986 00022 WARRANTY The Anritsu product s listed on the title page is are warranted against defects in materials and workmanship for one year from the date of shipment Anritsu s obligation covers repairing or replacing products which prove to be defective during the warranty period Buyers shall prepay trans portation charges for equipment returned to Anritsu for warranty re pairs Obligation is limited to the original purchaser Anritsu is not liable for consequential damages LIMITATION OF WARRANTY The foregoing warranty does not apply to Anritsu connectors that have failed due to normal wear Also the warranty does not apply to de fects resulting from improper or inadequate maintenance by the Buyer unauthorized modification or misuse or operation outside the environmental specifications of the product No other warranty is ex pressed or implied and the remedies provided herein are the Buyer s sole and exclusive remedies TRADEMARK ACKNOWLEDGEMENTS MS DOS Windows Windows for Workgroups Windows NT and Win dows 95 are registered trademarks of the Microsoft Corporation Site Master and Cable Mate are trademarks of Anritsu Company NOTICE Anritsu Company has prepared this manual for use by Anritsu Com pany personnel and customers as a g
22. CONTRAST Enables adjustment of the LCD contrast Use the Up Down Arrow key and to set the contrast MAIN Returns to the Main Menu Chapter 2 Connectors and Controls Distance Provides for setting Distance to Fault parameters Se Menu lected distance values may be changed using the key DIST pad or Up Down Arrow key Entry be in feet meters depending on the setting of the B5 soft key in the Option Sub Menu page 2 16 Choosing DIS T causes the soft keys below to be displayed and the corresponding values to be shown in the message area 01 Opens the start distance D1 parameter for data entry This is the start value for the distance range PresssENTEH when data entry is complete D2 Opens the end distance D2 parameter for data entry This is the end value for the distance range Press ENTER when data entry is complete a DTF AID Provides interactive help to optimize DTF set up parameters User is prompted for sys tem parameter values of maximum distance cen ter frequency cable type or propagation velocity Frequency parameters are then calculated to opti mize both range and resolution a MORE Selects the Distance Sub Menu de scribed on page 2 18 Chapter 2 Connectors and Controls NOTE Refer to Appendix A for a listing of common coaxial cables showing values for Relative Propaga tion Velocity and
23. Calibration lt Short Load gt Measurement Test Port Extension Cable Trans Test Port Figure 3 1 One Port Calibration Measurement Setup 3 6 Chapter 3 Operation Selecting the Frequency Range Step 4 Press the FREQJsoft key Step 5 Press the FI soft key Step 6 Enter 8 0 0 using the keypad or Up Down Arrow key Press ENTER to set F1 to 800 MHz Step 7 Press the F2 soft key Step 8 Enter 2 0 0 0 using the keypad or Up Down Arrow key Press ENTER to set F2 to 2000 MHz Performing a Calibration Step9 Press the START Follow the ensuing in structions that appear in the message area Step 10 Connect the Open to the REFL test port as shown in Figure 3 1 Press Step 11 When the measurement is complete disconnect the Open and connect the Short to the REFL test port Press the ENTER key Step 12 When the measurement is complete disconnect the Short and connect the Load to the REFL test port Press the ENTER key Figures 3 2 and 3 3 depict typical valid calibration measurements with Load attached Chapter 3 Operation d RETURN LOSS 0 00 CAL OM 6 Lim OFF 54 00 FREG CMR 2000 0 Fi 800 0 Fe 2000 0 MHz Ce yr ary Figure 3 2 Return Loss Measurement Mode Calibration Results 65 53 CAL DH 6 Lira OFF STANDING WAVE RATIO
24. Centers 1 of 2 UNITED STATES CHINA ANRITSU COMPANY ANRITSU BEIJING SERVICE CENTER 685 Jarvis Drive Beijing Fortune Building Morgan Hill CA 95037 2809 416W 5 Dong San Huan Bei Lu Telephone 408 776 8300 Chaoyang qu FAX 408 776 1744 Beijing 100004 China Telephone 011861065909237 ANRITSU COMPANY FAX 011861065909236 10 Kingsbridge Road FRANCE Fairfield NJ 07004 ANRITSU S A Telephone 201 227 8999 9 Avenue du Quebec FAX 201 575 0092 Zone de Courtaboeuf AUSTRALIA 91951 Les Ulis Cedex ANRITSU PTY LTD Telephone 016 44 66 546 Unit 3 170 Foster Road FAX 016 44 61 065 Mt Waverley VIC 3149 GERMANY Australia ANRITSU GmbH Telephone 03 9558 8177 Grafenberger Allee 54 56 Fax 03 9558 8255 D 40237 Dusseldorf BRAZIL Germany ANRITSU ELECTRONICA LTDA Telephone 0211 96 85 50 Praia de Botafogo 440 Sala 2401 FAX 0211 96 85 555 CEP 22250 040 Rio de Brasil INDIA Telephone 021 28 69 141 MEERA AGENCIES P LTD Fax 021 53 71 456 A 23 Hauz Khas CANADA New Delhi 110 016 ANRITSU INSTRUMENTS LTD Telephone 011 685 3959 215 Stafford Road Unit 102 FAX 011 686 6720 Nepean Ontario K2H 9C1 Telephone 613 828 4090 FAX 613 828 5400 Chapter 1 General Information Table 1 2 Anritsu Service Centers 2 of 2 ISRAEL TECH CENT LTD Haarad St No 7 Ramat Haahayal Tel Aviv 69701 Telephone 03 64 78 563 FAX 03 64 78 334 ITALY ANRITSU Sp A Rome Office Via E Vit
25. D back lighting ON or OFF Leaving back lighting off conserves battery power Automatically scales the display for optimum resolution Displays the calibration configuration the type of calibration the frequency range the valid tempera ture range of the calibration and the current tempera ture Implements certain menu and key selections Chapter 2 Connectors and Controls ESCAPE CLEAR MARKER ON OFF PRINT RECALL DISPLAY RECALL SETUP RUN HOLD Exits the present operation and or clears the display If a parameter is being edited pressing this key will clear the value currently being entered and restore the last valid entry Pressing this key again will close the parameter During normal sweeping pressing this key will move up one menu level Calls up the Markers Menu described on page 2 23 Turns the Site Master on or off When turned on the system state at the last turn off is restored If the ESCAPE CLEAR key is held down the factory pre set state is restored Prints the current display to the selected printer Recalls a previously saved trace from memory loca tion through 50 When the key is pressed Recall display appears on the display Select an appropri ate number from the keypad and press the ENTER key to implement Recalls a previously saved setup from memory loca tion 0 through 4 When the key is pressed Recall Setup appears on the display Select an ap
26. Extension Cable Trans Test Port 7 Figure 3 11 Two Port Measurement Calibration Setup 3 22 Chapter 3 Operation Step 15 When the measurement is complete disconnect both Loads from the test port extension cables and con nect the 7 16 f adapter to the open ends of the test port extension cables to complete a through path from the REFL to TRANS test port Press the When the measurement is complete the results should be similar to those shown in Figure 3 12 dE THSERTION GAIN cal nn Lim OFF 1i20 0 2840 0 FREQ CHHZ 2000 0 FL 1840 0 MHz 000 0 fz Figure 3 12 Two Port Measurement Calibration Results 3 23 Chapter 3 Operation Amplifier Gain Measurement Step 16 Disconnect the 7 16 f adapter The resulting display should be similar to Figure 3 13 INSERTION GAIN 100 098 CAL DN 3B dem Lim OFF 120 0 48400 FREG 23 2000 0 Fi iBHD MHz Fe 2000 0 biHz e yore Nyon Figure 3 13 Measurement Display before Amplifier Connection Connect the amplifier to the test port extension ca Step 17 bles as shown in Figure 3 14 Setting the Markers Press MARKER key to call up the Markers menu Step 18 page 2 23 3 24 Chapter 3 Operation Test Port Extension Cable Test Port Extension Cable Trans Test Port Refl Test Port Figure 3 14 Amplifi
27. ORED SWEEP INCOMPATIBLE WITH CURRENT SWEEP Description Attempting to use Bias Tee function without Option 10 installed Attempting to use Bias Tee function without external power connected to the battery re charger port Exceeded power gain limit To resolve lower REFL output power or change the measurement mode to Insertion Gain mode and recalibrate Attempting to use Trace 2 Math function in incorrect mode Attempting to do Trace Math functions with different mode sweeps Chapter 2 Connectors and Controls Using the Soft Carrying Case The soft carrying case has been designed such that the strap can be un snapped to allow the case to be easily oriented horizontally thus allow ing the Site Master controls to be more easily accessed Figure 2 10 Figure 2 10 Using the Soft Carrying Case 2 35 2 36 Chapter 3 Operation Introduction This chapter provides a description of the Site Master operating func tions and examples of frequency domain and distance domain mea surements Operating Functions Site Master operation is divided into five functional areas common functions frequency domain distance domain power monitor and RF source functions are options markers and scale functions that are common to both frequency domain and distance do main measurements e Frequency domain measurements consist of Standing Wave Ratio SWR Return Loss RL Cable L
28. RF de tector sufficient to insure that the input power to the Site Master is no greater the 20 dBm Press the OFFSET soft key Enter the attenuation in dB using the keypad Press ENTERJto complete the entry The message area will show OFFSET is ON along with the entered value in dB 3 29 Chapter 3 Operation Displaying Power in dBm and Watts Step 7 Press the UNITS soft key to display power in Watts Displaying Relative Power Step 8 With the desired base power level input to the Site Master press the REL soft key The message area will show REL ON and the power reading will indi cate 100 Step 9 Press thelUNITS soft key to display power in dBm Since REL is ON the power reading will be in dBr relative to the base power level 3 30 Chapter 3 Operation RF Source Operation RF source allows the user to generate a single CW frequency with 6 dBm or 30 dBm output power within the instrument s operating frequency band Generating a CW Frequency Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Press the MODE soft key from the Main menu page 2 9 Use the Up Down Arrow key to scroll to RF SOURCE Press ENTEH to select RF source mode Press the FREQ soft key from the Main menu page 2 12 Enter the desired numerical value using the keypad or the Up Down Arrow key Press ENTER when data entry is complete Press the POWER soft key to toggle between 6
29. and the corresponding values to be shown in the message area MATH Opens menu of trace math operation modes OFF TRACE MEMORY TRACE MEMORY TRACE 2 Use the Up Down Arrow key and ENTER key to make a selection a LIMIT BEEP ON OFF Toggles the limit beeping sound on or off When on the Site Mas ter sounds a beep when the measured value is above the limit line a BIAS TEE ON OFF Toggles the bias tee option on or off External power must be con nected to the battery charging port to activate the bias tee function When on the bias tee voltage and current are displayed B4JSINGLE SWP ON OFF Toggles the single sweep function on or off When on the Site Master will have to be manually triggered using the IRUN HOLD key on the keypad for each sweep MORE Selects the Option Sub Menu de scribed on page 2 16 2 15 Chapter 2 Connectors and Controls Option Sub Menu Provides for selecting additional Site Master options the soft keys below to be displayed and the corresponding values to be shown in the message area B5JUNITS Toggles between ENGLISH and METRIC units a FIXED CW Toggles the fixed CW mode on or off PRINTER Displays a menu of supported printers None Seiko DPU 411 Seiko DPU 414 and HP Deskjet 340 Use the Up Down Arrow key to make the selection a BBJ
30. art No 2000 767 7 16 f Precision Open Short Load Part No 2000 768 Adapter Precision N m to N m Part No 3ANN50A 1 3 Chapter 1 General Information Adapter Precision N f to N f Part No 34NFNF50 Adapter 7 16 f to N m Part No 510 90 e Adapter 7 16 f to N f Part No 510 91 Adapter 7 16 m to N m Part No 510 92 Adapter 7 16 m to f Part No 510 93 e Adapter 7 16 DIN m to 7 16 DIN m Part No 510 96 Adapter 7 16 DIN f to 7 16 DIN f Part No 510 97 Armoured Test Port Extension Cable 1 5 meter N m to N f Part No 15 50 1 5 Armoured Test Port Extension Cable 3 0 meter N m to N f Part No 15 50 3 0 Armoured Test Port Extension Cable 5 0 meter N m to N f Part No 15 50 5 0 Armoured Test Port Extension Cable 1 5 meter N m to m Part 15NN50 1 5A Armoured Test Port Extension Cable 3 0 meter N m to m Part No 15NN50 3 0A Armoured Test Port Extension Cable 5 0 meter m to N m Part No 15NN50 5 0A Armoured Test Port Extension Cable 1 5 meter N m to 7 16 DIN f Part No ISNDF50 1 5A Armoured Test Port Extension Cable 1 5 meter N m to 7 16 DIN m Part No 15ND50 1 5A RF Detector 1 to 3000 MHz N m input connector 50 Ohms Part No 5400 71N50 Chapter 1 General Information Transit Case for Site Master Part No 760 215
31. art the screen capture NOTE The ENTER key on the Site Master must be pressed while the PC screen shows Waiting for Data for the transfer of information to be complete Step 5 the PC observe that the Waiting for Data box disappears and the trace capture process begins Within a short time the Site Master trace will ap pear 4 10 Chapter 4 Software Tools Program Program Operation The captured trace on the PC can be scaled and have its limit line markers and properties changed Select Plot Properties under the View menu to make these changes The operation of the various menus that allow these operations to be accomplished is straightfor ward To read about the operation of the menus refer to the on line help screens They can be accessed from the Help menu in the top menu bar Fault Location Software A captured RL or SWR trace can be transformed to a Distance to Fault display This is useful for determining the location of faults connec tions and other discontinuities within the cable To transform a plot select Fault Find from the Tools menu or click the toolbar button A drop down menu will appear that asks you to supply start and stop distances along with propagation velocity and insertion loss values The table in Appendix A provides these values for some of the more popular cables The values are given at a nominal fre quency of 1000 MHz If values are needed at a different f
32. at from the top menu bar and pull down menu and choose Format ted Text Capture or load the desired plot Copy the data to the clipboard by selecting the Copy to Clipboard icon or Copy from the Edit menu Open the spreadsheet program and place the cursor where the first data point should appear Select Paste from the spreadsheet program s Edit menu Saving Data to a Database Plots can be saved to a database Comments can be added to the plot data saved Queries of the database provide a means of comparing plots in the database Refer to the on line help screens for operating instruc tions To save a plot to a database click on File in the top menu bar and se lect Save Plot to Database from the drop down menu 4 13 Chapter 4 Software Tools Program Drag n Drop Site Master Software Tools is Windows based Graphs can Drag n Drop onto each other Site Master Software Tools allows quick com parison of before and after Distance To Fault measurements Re cent data is compared to a historical PC database record which is usually recorded during site installation commissioning Each cable antenna tends to have a unique Distance To Fault DTF Signature because differing cable electrical lengths cable types dielectric thickness variations and the positions of components connectors adapters and lightning arrestors will cause different reflections at differing positions in
33. d displays CAUTION The selected memory location will be over written by the SAVE DISPLAY operation No warning is given Chapter 2 Connectors and Controls SAVE Saves the current system setup to 1 of 4 internal SETUP non volatile memory locations When the key is pressed Save Setup appears on the display Select an appropriate number using the Up Down Arrow key and press the ENTER key to implement CAUTION The selected memory location will be over written by the SAVE SETUP operation No warning is given SCALE Calls up the Scale Menu described on page 2 14 START Follow the text in the message area that instructs you CAL to do the following Q Connect OPEN to REFL port Press ENTER The Site Master then measures the calibration open that you must attach to the end of the Refl test port Q Connect SHORT to REFL port Press ENTER The Site Master then measures the calibration short that you must attach to the end of the Refl test port Q Connect LOAD to REFL port Press ENTER The Site Master then measures the 509 termina tion load that you must attach to the end of the Refl test port Chapter 2 Connectors and Controls Q Connect LOAD to REFL and TRANS ports press ENTER The Site Master then measures the isolation 509 termination load that you must attach to the end of the test port and the Trans test port Q Connect REFL port to TRANS port Press ENTER Th
34. dBm and 30 dBm Press the MAINJsoft key to return to the Main menu 3 31 3 32 Chapter 4 Software Tools Program Description The Site Master Software Tools program provides the means for trans ferring the measured trace along with any applied markers and or a limit to the screen of an MS DOS based personal computer PC run ning Windows Windows for Workgroups 3 xx Windows NT or Win dows 95 Requirements The Site Master Software Tools program is a standard Windows 3 x program and will run on any computer that will run Windows Win dows for Workgroups 3 xx Windows NT or Windows 95 Typically this means having a PC with the following characteristics 386 or better microprocessor running enhanced mode 386DX 33 MHz or better recommended 8 MBytes of memory minimum e Disk Drive with approximately 3 MBytes of available space Chapter 4 Software Tools Program Communication Port Setting The Site Master Software Tools communicates with the Site Master through a standard COM port on the PC It is important that your Win dows COM port settings conform to the actual hardware settings Table 3 1 provides a listing of standard COM port settings for most IBM AT Compatible computers Table 3 1 Standard COM Port Settings Port IRQ Address COM1 4 3F8 COM2 3 2F8 COM3 4 3E8 COM4 3 2E8 Since various add in devices such as sound cards modems and net work cards use IRQ Interrup
35. e Plots traces can be captured either singly from the Site Master dis play or in multiples from one or more stored display locations Both methods are described below The recommended method is the Capture Multiple Traces option in the Capture pull down menu Using this method you can download to the Software Tools program in one operation all of the data residing in the up to 70 Stored Display memory locations The downloaded traces can be stored in a database or appear in cascade on the PC screen NOTE Trace scale can be captured as per Site Mas ter or as autoscale by the capture program To select per Site Master or autoscaling click on Settings and Default Plot Settings from the top menu bar and pull down menu Capture multiple to database Step 1 Connect the supplied cable as shown in Figure 3 3 Step 2 Open the Site Master Software Tools group in the Windows Program Manager Select the Windows pull down menu from the Pro gram Manager menu bar and select Site Master Software Tools Step 3 Double click on the Site Master Software Tools icon to open the program Chapter 4 Software Tools Program Step 4 Click on Capture in the top menu bar and select Capture Multiple to Database from the drop down menu Step 5 Follow the database instructions to download the plot s to either a new database or an existing data base Step 6 Enter the number s of the stored display memory lo catio
36. e File menu and select Run For Windows 95 users select Run under the Start menu Type A or B SETUP when the dialog box ap pears Press the Enter key to select the default directory C SITEMSTR and begin the Setup routine When the Setup program prompts select OK or press the Enter key to restart Windows NOTE The Setup routine will create a new Program Manager Group named Site Master Software Tools This group will contain three file icons Read Me Site Master Help and Site Master Software Tools Step 6 Double click on the Read Me icon to read about 1 recent changes that did not get into this manual and or 2 important features or problems that you should know about Chapter 4 Software Tools Program Com port Program defaults to Com2 Figure 3 3 Equipment Setup for Site Master Tools Operation Step 7 Double click on the Site Master Help icon to ac quaint yourself with the comprehensive on line man ual This manual provides descriptive narrative for the various program features and controls Step 8 Double click on the Site Master Software Tools icon to open the Software Tools program Step9 Click on Settings in the top menu bar and select COM Port Enter the appropriate COM port number for the serial interface cable null modem type Chapter 4 Software Tools Program Plot Captur
37. e Site Master then measures the through transmission that you must attach from the Refl test port to the Trans test port NOTE The combined measurements of an open a short a known impedance load a through and an isolation normalizes the measurement system to account for uncertainties introduced by measurement system components e g cables connectors etc Up Down Increments or decrements a parameter value Arrow Key NOTE At turn on before any other keys are pressed the Up Down Arrow Key may be used to adjust display contrast Chapter 2 Connectors and Controls Display Area Message Area MODE FREQ SCALE OPT oft Key Labels Soft Keys PRINT RECALL Figure 2 2 Site Master Front Panel Display Layout Soft Keys and Menus Each of the soft keys has a corresponding soft key label area on the dis play The label identifies the function of the soft key for the current menu selection Figure 2 3 on the following page shows the menu structure the soft key labels for each menu selection and the page where a description of the menu can be found Chapter 2 Connectors and Controls MAIN MENU MODE MENU FREQ MENU SCALE MENU OPTION MENU _FREQ See Below See Below
38. er Gain Measurement Setup 3 25 Chapter 3 Operation Step 19 Press the MJ soft key to select the marker func tion Press the EDIT soft key and enter 1 8 8 0 us ing the keypad or Up Down Arrow key Press set M1 to 1880 MHz Note Pressing the ON OFF soft key activates or deactivates the marker function Step 20 Press the lBACK soft key to return to the Markers menu Step 21 Repeat steps 19 and 20 for markers M2 M3 and Set M2 to 1910 MHz M3 to 1960 MHz and M4 to 1990 MHz Observe the bypass condition Figure 3 15 Lim OFF 63 9 i 1840 0 FREG MHz 2000 0 1 38 9 1879 7 MH32 3 0 7 1950 3 MHz 2 19 7 1909 5 1990 1 MHz oec ye ye eser Figure 3 15 Measurement Display Showing Bypass Condition 3 26 Chapter 3 Operation Activating the Bias Tee Step 22 Press the MAIN Jsoft key to return to the Main menu Step 23 Press the OPT soft key then the B3 soft key to acti vate the bias tee NOTE The Site Master must have Option 10 installed and the battery charger must be connected for the bias tee to activate Scaling the Display Step 24 Press the AUTO to narrow the display range Observe the display of amplifier gain performance Figure 3 16 on the following page 3 27 Chapter 3 Operation Lim OFF EIA UH 15 04 TAMA 62 9 i 18
39. g the unit and inspecting and cleaning the RF connectors on the instrument and all ac cessories Clean the Site Master with a soft lint free cloth dampened with water or water and a mild cleaning solution CAUTION To avoid damaging the display or case do not use solvents or abrasive cleaners Clean the RF connectors and center pins with a cotton swab dampened with denatured alcohol Visually inspect the connectors The fingers of the N f connectors and the pins of the N m connectors should be un broken and uniform in appearance If you are unsure whether the con nectors are good gauge the connectors to confirm that their dimensions are correct Visually inspect the test port cable s The test port cable should be uni form in appearance not stretched kinked dented or broken 1 8 Chapter 1 General Information Calibration The Site Master is a field portable unit operating in the rigors of the test environment An Open Short Load OSL calibration should be performed prior to making a measurement in the field A built in tem perature sensor in the Site Master advises the user via an icon located on the left side of the LCD screen that the internal temperature has ex ceeded a safety window and the user is advised to perform another OSL calibration in order to maintain the integrity of the measurement NOTES For best calibration results compensation for all measurement uncertainties ensure tha
40. h units of Watts relative mode displays percent Q Turns Offset OFF if currently ON If Offset is currently OFF turns it ON and opens the Offset parameter for data entry Press ENTER when data entry is complete Offset is the attenuation in dB inserted in the line between the DUT and the RF detector The at tenuation is added to the measured input level prior to display a ZERO Turns Zero OFF if currently ON If Zero is currently OFF turns it ON and initiates collection of a series of power level samples which are averaged and saved This saved value is then subtracted from subsequent measurements prior to display 2 11 Chapter 2 Connectors and Controls MAIN Returns to the Main Menu RF Source When the RF Source measurement mode is selected Main Menu the Main Menu soft keys below are displayed and the frequency is shown in the message area ED pone GE FREQJ Opens the RF source frequency param eter for data entry Press ENTER when data entry is complete a Toggles the RF source power be tween 6 dBm and 30 dBm MAIN Returns to the Main Menu Chapter 2 Connectors and Controls Frequency Provides for setting sweep frequency end points Se Menu lected frequency values may be changed using the FREQ keypad or Up Down Arrow key Choosing FREQ causes the soft keys below to be displayed and the corresponding values to be sho
41. icates internal data processing Lock fail indication Check battery If Site Master fails to lock with a fully charged bat tery call your Anritsu Service Center Processor timeout failure Symbol appears at the frequency that causes an input RF overload it then disappears as the sweep continues past that point When calibration is performed the Site Master stores the ambient temperature If the tempera ture drifts outside the specified range this indi cator will flash A recalibration at the current temperature is recommended Indicates the remaining charge on the battery The inner white rectangle grows longer as the battery charge depletes Chapter 2 Connectors and Controls Table 2 2 Self Test Error Messages Error Message Description BATTERY LOW Battery voltage is less than 12 5 volts Charge battery If condition persists call your Anritsu Service Center EXTERNAL External supply voltage is less than 12 5 POWER LOW volts Call your Anritsu Service Center PLL FAILED Phase locked loops failed to lock Charge battery f condition persists with a fully charged battery call your Anritsu Service Center INTEGRATOR Integration circuit could not charge to a FAILED valid level Charge battery f condition per sists with a fully charged battery call your Anritsu Service Center EEPROM R W Non volatile memory system has failed FAILED Call your Anritsu Service Center OUT OF TEMP Ambient temperatu
42. ile performing the following procedure Step 1 Open the Windows Control Panel Step 2 Double click on the SYSTEM icon The System Properties window appears Step 3 Select Device Manager The Device List appears 4 4 Chapter 4 Software Tools Program Step 4 Double click on the item Ports COM amp LPT in the device list Step 5 Double click on the Communications Port you want to set The Communications Port Properties window appears NOTE If Windows doesn t show any available COM Ports consult your computer manufacturer Step 6 Choose Port Settings then change to the following settings if necessary Baud Rate 9600 Data Bits 8 Parity None Stop Bits 1 Flow Control None Step 7 Choose Resource and verify the COM Port Base Address and IRQ Click OK when done Step8 Click OK again to close the System Properties window Note If you changed the COM Port Base Adaress and or IRQ you will need to restart Windows Chapter 4 Software Tools Program Software Installation The Site Master Software Tools program is a conventional Microsoft Windows 3 x program Installation is similar to all other such pro grams For users new to Windows 3 x a detailed procedure is given below Step 1 Step 2 Step 3 Step 4 Step 5 Insert the Anritsu Site Master Software Tools For Windows disk in floppy drive A or B In the Windows Program Manager pull down th
43. ive However you may find it helpful to review the operation of the keys and menus prior to first time use Descriptions of the keys and menus are provided in Chapter 2 mea surement procedures are found in Chapter 3 First time users and maintenance supervisors will benefit from perusing the material in Chapter 1 This chapter describes the instrument and provides listings of options accessories and performance specifica tions Please Recycle This product contains a rechargeable nickel cadmium battery Spent nickel cadium bat teries are valuable resources do not throw them away Arrange for proper return for re cycling in your locality If you do not have 9 access to proper disposal methods return the battery to your Anritsu service center Anritsu service centers will dispose of the unit at no charge Anritsu service centers are listed in Table 1 2 page 1 11 NiCd Site Master System Figure 1 1 Chapter 1 General Information Introduction This chapter provides a description performance specifications op tional accessories preventive maintenance and calibration require ments for the Site Master model S251A Throughout this manual the term Site Master will refer to the model S251A Model Frequency Range S251A 625 to 2500 MHz Description The Site Master Figure 1 1 is a hand held S transmission gain or loss SWR RL standing wave ratio return loss and Di
44. ker value to 1 dB or press to automatically scale the display Figure 3 6 shows the cable loss measurement 3 11 Chapter 3 Operation Saving Display to Memory Step 24 Press the SAVE DISPLAY key to save the cable loss measurement to the next memory location see step 20 for details dE CABLE LOSS 1 00 1 800 0 FREQ 2000 0 1 0 Be T H MHz bi3 D 52 1711 5 MH 042 958 1 MHZ 114 0 1990 7 MHZ M y Figure 3 6 Cable Loss Measurement Results 3 12 Chapter 3 Operation DTF Measurement The following distance domain measurement is an example of a Dis tance to Fault DTF measurement over a selectable distance range Required Equipment e Site Master Model 5251 e Precision Open Short Anritsu 22N50 e Precision Load Anritsu SM PL Test Port Extension Cable Anritsu I5NNFE50 1 5A Device Under Test Specification Type Typical Loss 1 5m Vg TII 2 15NNF50 1 5A 0 60 dB 1710 MHz 0 86 0 70 dB 1990 MHz Procedure Step 1 Press the ON OFF key on the Site Master DTF Parameters Setup Step2 Press the l MODEJsoft key Step 3 Use the Up Down Arrow key to scroll to DTF Return Loss SWR Press ENTER key to select DTF in return loss or SWR measurement mode 3 13 Chapter 3 Operation Step 4 Inthe DTF parameters table scroll
45. n page 2 24 a Selects the M2 marker parameter display ing either frequency or distance and the corre sponding SWR RL CL or IL IG and opens the Markers 2nd Level Menu described on page 2 24 a IM3 Selects the M3 marker parameter display ing either frequency or distance and the corre sponding SWR RL CL or IL IG and opens the Markers 2nd Level Menu described on page 2 24 a IM4 Selects the M4 marker parameter display ing either frequency or distance and the corre sponding SWR RL CL or IL IG and opens the Markers 2nd Level Menu described on page 2 24 MAIN Returns to the Main Menu Chapter 2 Connectors and Controls Markers Menu 2nd Level Provides for turning the selected marker on and off and for setting marker values Selected frequency marker and distance marker values can be changed using the keypad or Up Down Arrow key Choosing causes the soft keys below to be dis played and the corresponding values to be shown in the message area ON OFF EDIT MORE BACK Choosing Or causes the soft keys be low to be displayed and the corresponding values to be shown in the message area ON OFF EDIT DELTA MORE BACK ON OFF Turns the selected marker on or off EDIT Opens the selected marker parameter for data entry Press ENTER when data entry is com plete DELTA Displays delta SWR RL CL or IL IG as well as
46. n s 1 to 50 from which you wish to store to the database and click Step 7 Observe that the Acquiring Control box appears the screen then disappears as traces are automatically acquired The Database box appears when the plot s has been completely captured into the data base Capture multiple traces to PC screen Step 1 Perform steps 1 2 and 3 of the capture multiple to database procedure Step 2 Click on Capture Multiple Traces icon or click on Capture in the top menu bar and select Capture Multiple Traces from the drop down menu Step 3 Enter the number or numbers of the stored display memory location s 1 to 50 from which you wish to display traces in Site Master Software Tools Step4 Select OK Step 5 Observe that the Acquiring Control box appears the screen then disappears as the traces are automati cally acquired 4 9 Chapter 4 Software Tools Program Single trace capture Step 1 Perform steps 1 2 and 3 of the capture multiple to database procedure Step2 Click on Start a Plot Capture icon or click on Capture in the top menu bar and select Start Cap ture from the drop down menu Step 3 Observe that a Waiting for Data box appears on the screen Step 4 On the Site Master Q Capture a new trace and store it to a memory location Q Recall the stored plot to the screen Press the ENTER key on the Site Master to st
47. nts stored in the Site Master internal memory are down loaded to the PC using the included serial cable This null modem serial cable connects between the Serial Interface connector on the Site Master and a Com Port on a DOS Windows based PC Once stored the graphic trace can then be displayed scaled and or enhanced with markers and limit lines Historical graphs can be overlaid with current data by using the PC s mouse in drag n drop fashion The underlying data can be extracted and used in spreadsheets or for other analytical tasks The Software Tools program also performs DTF Distance To Fault or Fault Location by clicking on the appropriate icon Chapter 1 General Information The following items are supplied with the basic hardware Soft Carrying Case AC DC Adapter Automotive Cigarette Lighter 12 Volt DC Adapter 3 1 2 inch floppy disk containing the Software Tools program This program contains Fault Location DTF and Smith Chart functions Serial Interface Cable Null Modem Type One year Warranty includes battery firmware and software User s Guide Options Option 5 Add RF Wattmeter Power Monitor Option 10 Add Bias Tee Optional Accessories Anritsu Precision N m Short Open Part No 22N50 Anritsu Precision N f Short Open Part No 22NF50 Site Master Precision N m Load 42 dB Part No SM PL Site Master Precision N f Load 42 dB Part No SM PLNF 7 16 m Precision Open Short Load P
48. on x 129 1 5 x 109 V AFrequency Where V is the cable s relative propagation velocity 12 5 15 200 mA max 1 6 Chapter 1 General Information Table 1 1 Performance Specifications 2 of 2 Wattmeter Power Monitor Range 50 0 to 20 dBm or 10 0 nW to 100 0 mW Offset Range 0 to 60 0 dB Resolution 0 1 dB or 0 1 xW Test Port Type N 50 Ohms Immunity to Interfering signals up to the level of 10 dBm Reflection 30 dBc Transmission Maximum Input Damage Level Test Port Type N 22 dBm RF Detector 20 dBm Measurement Accuracy Measurement accuracy depends on calibration components Precision calibration components have a directivity of 42 dB Temperature Storage 20 to 75 C Operation 0 C to 50 Weight 3 0 pounds 1 36 kg Size 8 x 7 x 2 inches 203 2 x 177 8 x 57 2 mm 2 ppm A C from 25 C Fault location is accomplished by inverse Fourier Transformation of data taken with the Site Master Resolution and maximum range depend on the number of frequency data points frequency sweep range and relative propagation velocity of the cable being tested Immunity measurement is made in CW mode with incoming intefering signal ex actly at the same frequency worst case situation Typical immunity is better when swept frequency is used 1 7 Chapter 1 General Information Preventive Maintenance Site Master preventive maintenance consists of cleanin
49. oss CL and Inser tion Loss Insertion Gain IL IG made over a selectable fre quency range SWR and RL characterize the magnitude of reflections present in a device or transmission line CL meas urements display the insertion loss of a transmission line over frequency IL IG measurements display the gain or loss pres ent in a device and or transmission line over frequency IL has an output power level of 6 dBm IG has an output power level of 30 dBm 3 1 Chapter 3 Operation e Distance domain measurements commonly known as distance to fault DTF are made over a selectable distance range They include RL or SWR but they also return informa tion that can help locate discontinuities in a transmission line CL cannot be measured in the distance domain e Power monitor measurements can be either absolute or rela tive to some base power level and can be displayed in either dBm or Watts To allow measurement and display of power levels above the unit s specified input the user may attenuate the signal and enter the corresponding offset The offset is added to the measured input power prior to display Finally a zero adjust function is provided to allow substraction of an in herent noise level prior to display e source provides a selectable CW signal with 6 dBm or 30 dBm output power at the Refl port CAUTION The measurement system MUST be cali brated at the ambient temperature prior to making a meas
50. porate Quality Morgan Hill CA AVY IS __ Date European Contact For Anritsu product amp LYD information contact Anritsu LTD Rutherford Close Stevenage Herts SG 2EF UK FAX 44 1438 740202 Table of Contents General Information 1 1 Introduction 1 1 Description 1 1 Standard Accessories 1 2 Options 1 3 Optional Accessories 1 3 Performance Specifications 1 5 Preventive Maintenance 1 8 Calibration 1 9 Annual Verification 1 10 Connectors and Controls 2 1 Introduction 2 1 Test Panel Connectors 2 1 Keypad Controls 2 2 Soft Keys Menus 2 7 Determining Remaining Battery Life 2 26 Printing x wx E Sx 2 27 Printer Switch Settings 2 27 Printing a Screen 2 28 Symbols 2 29 Self Test RR Rs 2 29 Error Codes 2 29 Self Test 2 29 Range Errors 2 29 Replacing the Battery 2 29 Using the Soft Carrying Case 2 35 August 1998 10580 00020 Copyright 1998 Anritsu Co Revision A Introduction Operating Functions Making Common Function Selections Applying Power
51. propriate number using the Up Down Arrow Key and press the ENTER key to implement Setup 0 recalls the fac tory preset state When in the Hold mode this key starts the Site Mas ter sweeping and provides a Single Sweep Mode trigger when in the Run mode it pauses the sweep 2 3 Chapter 2 Connectors and Controls When in the Hold mode the hold symbol Table 2 1 page 2 30 appears on the left side of the LCD HOLD conserves considerable battery power When in the Gain Insertion Loss measurement mode the key is used in conjunction with the Scale Menu to toggle the top bottom and limit numerical value sign A negative numeric value is generated by pressing the key after the number is entered SAVE Saves the displayed trace to 1 of 50 internal DISPLAY non volatile memory locations When the key is pressed the next available empty memory location appears on the display i e Save display 3 Press save to the current empty memory loca tion or select an appropriate number from the keypad or use the Up Down Arrow key and press the ENTER to implement Use the keypad or the Up Down Arrow key to manually enter the Time Date and Trace Designator for each saved display To erase saved displays select 0 and press Individual displays may be selected and erased by en tering the display number and pressing ENTER Se lecting display O will erase all save
52. re is not within the RANGE specified operating range Return tempera ture to specified operating range If condi tion persists call your Anritsu Service Center Note A listing of current Anritsu service centers is given in Table 1 2 page 1 11 Chapter 2 Connectors and Controls Table 2 3 Range Error Messages 1 of 3 Error Message RANGE ERROR F1 gt F2 RANGE ERROR D1 gt D2 RANGE ERROR D2 gt DMax xx x ft m RANGE ERROR TOP lt BOTTOM RANGE ERROR TOP gt BOTTOM CAL INCOMPLETE CAL VALID FROM XXXX X 10 xxxx x MHz Description The start F1 frequency is greater than the stop F2 frequency The start D1 distance is greater than the stop D2 distance The stop distance D2 exceeds the maxi mum unaliased range This range is deter mined by the frequency span number of points and relative propagation velocity 1 5 x 10 129 Vj Maximum Unaliased Range F2 Fl Where Fl is start frequency F2 is stop frequency Vf is relative propagation velocity maximum unaliased range is in meters Refer to Figure A 1 page A 4 for a plot of maximum range versus frequency span The SWR scale parameter top value is less than or equal to its bottom value The RL scale parameter top value is greater than or equal to its bottom value A complete open short and load calibration must be performed before calibration can be turned on The calibration was performed at a
53. requency or if you need the exact values for more accurate measurement please contact the cable manufacturer Cables may be added to the list be edit ing the cables 1st file and following the existing format The dis tance may be entered in feet or meters Propagation velocity or dielectric constant may be used The units may be changed by selecting Default Plot Settings under the Settings menu and changing Distance Units or Cable Units After supplying the needed information and clicking OK a new plot will open showing cable match vs distance 4 11 Chapter 4 Software Tools Program Smith Chart Software After obtaining a frequency SWR or RL plot on the computer display click the Smith Chart icon Read the Help file to see how this feature functions under Smith Chart and Data Readout Saving a Plot as a Windows Metafile Plots can be saved as Windows Metafiles WMF The metafile may be imported into other graphic programs but cannot be reloaded into the Site Master Software Tools program To save a plot as a Windows Metafile click on File in the top menu bar and select Save as Metafile from the drop down menu 4 12 Chapter 4 Software Tools Program Saving Data to a Spreadsheet The data points from a plot can be exported to a spreadsheet via the clipboard To transfer data to a Windows spreadsheet program Step 1 Step 2 Step 3 Step 4 Step 5 Select Settings and Clipboard Form
54. ribed on page 2 13 SCALE Selects the Scale Menu described on page 2 14 OPT Selects the Option Menu described on page 2 15 Chapter 2 Connectors and Controls DTF When the DTF measurement mode is selected the Main Menu Main Menu soft keys below are displayed and the Marker status is shown in the message area MODE DIST SCALE OPT These soft keys provide the following menu selec tions Selects the type of measurement Use the Up Down Arrow key and ENTER key to se lect the type of measurement in the FREQ DTF and POWER MONITOR measurement modes a DIST Selects the Distance Menu described on page 2 17 SCALE Selects the Scale Menu described on page 2 14 OPT Selects the Option Menu described on page 2 15 Chapter 2 Connectors and Controls Power When the Power Monitor measurement mode is se Monitor lected the Main Menu soft keys below are dis Main Menu played and the units relative offset and zero adjust status are shown in the message area UNITS REL ZERO MAIN UNITS Toggles between dBm and Watts a REL Turns relative mode OFF if currently ON If relative mode is currently OFF turns it ON and causes the power level to be measured and saved as the base level Subsequent measurements are then displayed relative to this saved value With units of dBm relative mode displays dBr wit
55. rs 2 0 Chapter 2 Connectors and Controls Introduction This chapter provides a description of each Site Master control and connector In addition this chapter contains listings of the LCD icon symbols and error messages and instructions for printing a screen Test Panel Connectors The connectors and indicators located on the test panel are listed and described below 12 5 15VDC Provides input for battery charging the unit Input is 600 mA 12 5 to 15 Vdc 600 mA Battery Indicator light to show that the battery is being Charging charged Indicator automatically shuts off when the battery is fully charged External Indicator light to show that the Site Master is being Power powered by the external charging unit Serial Provides an RS232 DB9 interface with a Com Port Interface on a personal computer for use with the Anritsu 2 1 Chapter 2 Connectors and Controls Refl Test Port Trans Test Port RF Det Software Tools program Also provides an interface to a HP Deskjet 340 printer or a Seiko DPU 411 DPU 414 Thermal printer Provides RF output 509 impedance Provides RF input 50 impedance Provides RF detector input for the Power Monitor Keypad Controls The next five pages contains an alphabetical listing of the Site Master front panel keypad controls along with a brief description of each VY 9 gt AUTO SCALE CAL ENTER Turns the liquid crystal display LC
56. stance To Fault DTF measurement instrument that includes a built in synthe sized signal source and an optional power monitor It uses a keypad to enter data and a liquid crystal display LCD to provide a graphical in dication of 521 SWR or RL over the selected frequency range The Site Master has a built in distance to fault DTF capability It is capa ble of up to two hours of continuous operation from a fully charged in ternal battery and can be operated from a 12 5 dc source which will also simultaneously charge the battery Built in energy conservation features can be used to extend battery life over an eight hour work day The Site Master is designed for measuring transmission gain insertion loss SWR return loss or cable insertion loss and locating faulty RF 1 1 Chapter 1 General Information components in antenna systems Power monitoring and bias tee capa bilities are available as options The displayed trace can be scaled and or enhanced with settable frequency markers and or a limit line A menu option provides for an audible beep when the limit value is ex ceeded To permit use in low light environments the LCD can be back lit using a front panel key Standard Accessories A PC based software program called Software Tools provides an on line database record for storing measurement data Site Master Soft ware Tools can also convert the Site Master display to a Microsoft Windows 95 graphic Measureme
57. t the Open Short Load is at the end of the test port or optional ex tension cable that is at the same point that you will connect the antenna or device to be tested For best results use a phase stable Test Port Exten sion Cable see Optional Accessories If you use a lypical laboratory cable to extend the Site Master test port to the device under test cable bending subse quent to the OSL calibration will cause uncompen sated phase reflections inside the cable Thus cables which are NOT phase stable may cause measure ment errors that are more pronounced as the test fre quency increases For optimum calibration Anritsu recommends using precision calibration components 1 9 Chapter 1 General Information Annual Verification Anritsu recommends an annual calibration and performance verifica tion of the Site Master and the OSL calibration components by local Anritsu service centers Anritsu service centers are listed in Table 1 2 beginning on the following page The Site Master itself is self calibrating meaning that there are no field adjustable components However the OSL calibration compo nents are crucial to the integrity of the calibration and therefore must be verified periodically to ensure performance conformity This is espe cially important is the OSL calibration components have been acciden tally dropped or over torqued Chapter 1 General Information Table 1 2 Anritsu Service
58. the keypad or the Up Down Arrow key to manually enter the Time Date and Trace Designator for the save display Chapter 3 Operation nn ELidE3S DISTRHCE TU FRLULT Cal OH 6 dEm Lim OFF 54 00 n n DIST 2 0 hii l i dE i 5m h13 31 7 dE 2 0m 2 31 7096 2 0m 31 7096 2 0m carry eorr y Figure 3 7 DTF Return Loss Measurement Results Cable Length DTZTHNCE TD FHHLT 15 555 CAL DH dem Lim OFF 1 00 i 0 0 BIST 2 0 141 15 39 1 5m b13 1 D5 2 01 1 05 2 0m 1 05 2 0m Crewe yn Figure 3 8 DTF SWR Measurement Results Cable Length 3 17 Chapter 3 Operation DTF Measurement Determining the Quality of the Cable Step 20 Step 21 Step 22 Step 23 3 18 Disconnect the Short or Open and connect the Load to the test port extension cable Figure 3 1 Optional Press the AUTO to optimize the amplitude scale Press and the M2 soft key to se lect the marker 2 function Note pressing the ON OFF soft key actvates or deactivates the M2 marker function Press the IMORE soft key then the key to find the worst case average return loss with respect to distance Press the MKRS soft key to return to the previous menu Figures 3 9 and 3 10 show the DTF cable quality measurement results
59. torini 129 00144 Roma EUR Telephone 06 50 22 666 FAX 06 50 22 4252 JAPAN ANRITSU CORPORATION 1800 Onna Atsugi shi Kanagawa Prf 243 Japan Telephone 0462 23 1111 FAX 0462 25 8379 KOREA ANRITSU KOREA AWk 901 Daeo Bldg 26 5 Yeoido Dong Youngdeungpo Seoul Korea 150 010 Telephone 02 782 7156 FAX 02 782 4590 SINGAPORE ANRITSU SINGAPORE PTE LTD 3 Shenton Way 24 03 Shenton House Singapore 0106 Telephone 022 65 206 FAX 022 65 207 SOUTH AFRICA ETESCSA 1st Floor Montrose Place Waterfall Park Becker Road MIDRAND SOUTH AFRICA Telephone 011 315 1366 Fax 011 315 2175 SWEDEN ANRITSU AB Botvid Center S 145 84 Stockholm Sweden Telephone 08 534 717 00 FAX 08 534 717 30 TAIWAN ANRITSU CO LTD 8F No 96 Section 3 Chien Kuo N Road Taipei Taiwan R O C Telephone 02 515 6050 FAX 02 509 5519 UNITED KINGDOM ANRITSU LTD 200 Capability Green Luton Bedfordshire LU1 3LU England Telephone 015 82 41 88 53 FAX 015 82 31 303 1 12 Chapter 1 General Information This page intenionally blank Battery Charging External Power Trans Serial 12 5 15V DC Test Port Interface Refl Test Port RF Detector Input Back Lighting AUTO SCALE START ESCAPE CAL CLEAR CAL SAVE SETUP LL Up Down Arrow Soft Keys Delo RUN HOLD RECALL DISPLAY Figure 2 1 Site Master Controls and Connecto
60. tructions that appear in the message area Step 13 Connect the Open to the REFL test port as shown in Figure 3 1 Press Step 14 When the measurement is complete disconnect the Open and connect the Short to the REFL test port Press the ENTER key Step 15 When the measurement is complete disconnect the Short and connect the Load to the REFL test port Press thelENTER key 3 15 Chapter 3 Operation DTF Measurement Determining the Length of the Cable Step 16 Step 17 Step 18 Step 19 3 16 Disconnect the Load and connect the test port exten sion cable to the REFL test port Connect the Short or Open to the open end of the test port extension cable as shown in Figure 3 1 Optional Press AUTO to optimize the amplitude scale Press and the M1 soft key to select the marker 1 function Note pressing the ON OFF soft key actvates or deactivates the marker function Press the soft key then the soft key to find the cable length Press the MKRSjsoft key to return to the previous menu Figures 3 7 and 3 8 depict the DTF cable length measurement results Press the SAVE DISPLAY key to save the DTF measurement Press ENTER jto save to the current empty memory location or use the keypad or the Up Down Arrow key to select another memory loca tion Press the ENTER key to implement Use
61. ts it is possible that your computer has non standard COM port settings Please consult your computer vendor for COM port address and IRQ information Changing COM Port Settings Windows 3 1 Refer to Figure 3 1 while performing the following procedure Step 1 Open the Windows Control Panel Step 2 Double click on the Ports icon The Ports dialog box appears Step 3 Click on the icon for the COM Port whose communi cations settings you wish to specify then click the Settings button The Settings dialog box appears Chapter 4 Software Tools Program T eiie Sewing is a Te Stop vorei eee 8 47277 1 Figure 3 1 Windows 3 1 COM Port Setting Dialog Boxes Step 4 Change to the following settings if necessary Baud Rate 9600 Data Bits 8 Parity None Stop Bits 1 Flow Control None Step 5 Click on the Advanced button At the Advanced Settings dialog box verify the COM Port Base Address and IRQ Click OK when done Step 6 Click OK again and then Close to close the COM Port Setting Windows 4 3 Chapter 4 Software Tools Program Note If you changed the COM Port Base Address and or IRQ you will need to restart Windows 9 Figure 3 2 Windows 95 COM Port Setting Dialog Boxes Changing COM Port Settings Windows 95 Refer to Figure 3 2 wh
62. uide for the proper installation operation and maintenance of Anritsu Company equipment and com puter programs The drawings specifications and information con tained herein are the property of Anritsu Company and any unauthorized use or disclosure of these drawings specifications and information is prohibited they shall not be reproduced copied or used in whole or in part as the basis for manufacture or sale of the equipment or software programs without the prior written consent of Anritsu Company DECLARATION OF CONFORMITY Manufacturer s Name ANRITSU COMPANY Manufacturer s Address Microwave Measurements Division 490 Jarvis Drive Morgan Hill CA 95537 2809 USA declares that the product specified below Product Name Site Master Model Number 5251 conforms to the requirement of Directive 89 336 EEC as amended by Council Directive 92 31 EEC amp 93 68 EEC Low Voltage Directive 73 23 EEC as amended by Council directive 93 68 EEC Electromagnetic Interference Emissions CISPR 11 1990 EN55011 199 Group 1 Class A Immunity EN 61000 4 2 1995 EN50082 1 1997 4k V CD AD EN 61000 4 3 1997 EN50082 1 1997 3V m ENV 59204 50082 1 1997 3Vim EN 61000 4 4 1995 E N50082 1 1997 0 5kV SL 1kV PL EN 61000 4 5 1995 EN50082 1 1997 IKV L L 2kV L E Electrical Safety Requirement Product Safety The Product Complies when used with Company supplied Power Supply tested to EN 60950 Manager of C r
63. urement You must calibrate when the setup fre quency is changed Calibrations and setups are not independent they are tied together The instrument can store up to four calibration setups When you re call a stored setup perform a new calibration only if the test setup has been altered 3 2 Chapter 3 Operation Making Common Function Selections Common functions are options marker and scale functions that are common to both frequency and distance domain measurements Applying Power Step 1 Turn the Site Master on using the ON OFF Step 2 Observe that the Site Master opening screen appears and that it performs a self test The firmware version and model number are shown in the opening screen Setting Options Step 3 Press the soft key from the Main Menu page 2 9 Step 4 Accept or change the settings of the B1 through B8 options Refer to pages 2 15 and 2 16 for a descrip tion of each option Setting Markers Step 5 Press on the keypad Step 6 Accept or change the settings To change press the applicable M1 M2 M3 or M4 soft key and Press soft key to turn the selected marker on if off Press key to edit the marker Use the keypad or Up Down Arrowjkey to enter numeric value Press ENTER when the data entry is complete 3 3 Chapter 3 Operation
64. wn in the message area a F1 Opens the F1 parameter for data entry This is the start value for the frequency sweep Press ENTER when data entry is complete F2 Opens the F2 parameter for data entry This is the stop value for the frequency sweep Press ENTER when data entry is complete IMAIN Returns to the Main Menu Chapter 2 Connectors and Controls Scale Menu Provides for changing the display scale Selected val SCALE ues may be changed using the Up Down Arrow key or keypad Choosing SCAL Ejcauses the soft keys below to be displayed and the corresponding values to be shown in the message area Pressing thelSCALEJKkey on the keypad will also call up this menu TOP LIMIT MAIN TOP Opens the TOP parameter for data entry and provides for setting the top scale value Press ENTER when data entry is complete a IBOTTOM Opens the BOTTOM parameter for data entry and provides for setting the bottom scale value Press data entry is complete LIMIT Turns Limit OFF if currently ON If Limit is currently OFF turns it ON and opens the Limit parameter for data entry Press ENTER when data entry is complete MAIN Returns to the Main Menu Chapter 2 Connectors and Controls Option Provides for selecting Site Master options Menu OPT Choosing causes the soft keys below to be dis played
65. y to scroll to INSER TION GAIN 30 dBm Press the ENTERJkey to select insertion gain measurement mode 3 20 Chapter 3 Operation Selecting the Frequency Range Step 4 Press the FREQ soft key Step 5 Press 1 soft key Step 6 Enter 1 8 4 O using the keypad or Up Down Arrow key set F1 to 1840 MHz Step 7 Press the F2 soft key Step 8 Enter 2 0 0 0 using the keypad or Up Down Arrow key set F2 to 2000 MHz Performing a Calibration Step 9 Connect the test port extension cables to the REFL and TRANS test ports as shown in Figure 3 11 Step 10 Press the START CAL Follow the ensuing in structions that appear in the message area Step 11 Connect the Open to the open end of the REFL test port extension cable Press the ENTERJkey Step 12 When the measurement is complete disconnect the Open and connect the Short to the REFL test port extension Press the ENTER key Step 13 When the measurement is complete disconnect the Short and connect the Load to the REFL test port ex tension cable Press the Step 14 When the measurement is complete connect the Load to the open end of the TRANS test port exten sion cable Press 3 21 Chapter 3 Operation Load N N Test Port Open Extension Cable x Short 4 N Load Test Port

Site Master Model 251A User's Guide, Rev A

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