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Anritsu S251B manual 3-17, Functions and Operations, ALL OFF — Turns all markers off

Models: S251B

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ALL OFF — Turns all markers off.

Chapter 3 Functions and Operations

MARKER Choosing MARKER causes the soft keys, below, to be displayed and the corre- sponding values to be shown in the message area. Selected frequency marker or distance marker values may be changed using the keypad or Up/Down arrow key.

M1 — Selects the M1 marker parameter and opens the Markers second level menu.

M2 — Selects the M2 marker parameter and opens the Markers second level menu.

M3 — Selects the M3 marker parameter and opens the Markers second level menu.

M4 — Selects the M4 marker parameter and opens the Markers second level menu.

ALL OFF — Turns all markers off.

Markers Provides for turning the selected marker on and off and for setting marker val- (second level) ues. Selected frequency marker and distance marker values can be changed us-

ing the keypad or Up/Down arrow key.

Choosing M1, M2, M3, or M4 in FREQ or DTF measurement modes causes the soft keys, below, to be displayed and the corresponding values to be shown in the message area.

ON/OFF — Turns the selected marker on or off.

EDIT — Opens the selected marker parameter for data entry. Press ENTER when data entry is complete or ESCAPE to restore the previous value.

DELTA (Mx-M1)— Displays delta amplitude value for as well as delta fre- quency or distance for the selected marker with respect to the M1 marker.

MARKER TO PEAK — Places the selected marker at the frequency or dis- tance with the maximum amplitude value.

MARKER TO VALLEY — Places the selected marker at the frequency or dis- tance with the minimum amplitude value.

BACK — Returns to the Main Markers Menu.

3-17

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Anritsu S251B manual 3-17, Functions and Operations, ALL OFF — Turns all markers off

Contents

Users Guide Site Master Model S251B Antenna andCable Analyzer NOTICE WARRANTYLIMITATION OF WARRANTY TRADEMARK ACKNOWLEDGMENTSPage Chapter 4 - Measurements Chapter 1 - General InformationChapter 2 - Getting Started Chapter 3 - Functions and Operations4-16 Making Power MeasurementsSWR Return Loss and Cable Loss Measurement DTF MeasurementAppendix A - Reference Data iii/ivChapter 5 - Software Tools Program Description Standard AccessoriesChapter General Information IntroductionChapter 1 General Information Optional AccessoriesOptions Chapter 1 General Information Performance SpecificationsValue Table 1-1. Performance Specifications 1 ofChapter 1 General Information Description Site MasterChapter 1 General Information Table 1-2. Performance Specifications 2 ofChapter 1 General Information Preventive MaintenanceChapter 1 General Information CalibrationAnnual Verification Chapter 1 General Information Table 1-2. Anritsu Service CentersChapter Getting Started Charging a New BatteryCharging the Battery in the Site Master Charging the Battery in the Optional ChargerBattery Indicator Battery Charge IndicatorChapter 2 Getting Started Chapter 2 Getting Started Discharging the NiMH BatteryBattery Life Important Battery InformationChapter 2 Getting Started Use only Anritsu approved battery packsSOFT KEYS Chapter Functions and OperationsFront Panel Overview IntroductionChapter 3 Functions and Operations Test Connector PanelBattery PowerENTER Keypad ControlsAUTO SCALEDISPLAY SETUPPRINT RECALLChapter 3 Functions and Operations SWEEPUp/Down Arrow KeySWEEP Soft KeysFREQ/DIST AMPLITUDEOFFSET MODE=POWER MONITOR SOFTKEYSChapter 3 Functions and Operations UNITSChapter 3 Functions and Operations FREQ/DISTAMPLITUDESWEEP MARKER TO PEAK MARKER TO VALLEY Chapter 3 Functions and OperationsMARKER MARKER TO PEAK MARKER TO VALLEYBACK SPACE 3-10Chapter 3 Functions and Operations ABC DEF GHI JKL MNO PQR STU VWXFREQ/DIST Displays the frequency or distance menu depending on the measurement mode 3-11Chapter 3 Functions and Operations BACK — Returns to the Distance Menu 3-12Chapter 3 Functions and Operations Figure 3-10.Nominal Side Lobe Windowing Example 3-13Chapter 3 Functions and Operations Figure 3-9.Rectangular Windowing ExampleFigure 3-12.Minimum Side Lobe Windowing Example 3-14Chapter 3 Functions and Operations Figure 3-11.Low Side Lobe Windowing ExampleMenu 3-15AMPLITUDE AmplitudeBACK — Return to the Sweep menu 3-16Chapter 3 Functions and Operations ALL OFF — Turns all markers off 3-17Chapter 3 Functions and Operations Sub-Menu 3-18Clock Chapter 3 Functions and OperationsDISPLAY 3-19Chapter 3 Functions and Operations RECALLChapter 3 Functions and Operations Power Monitor Menu3-20 OPTIONS Printing3-21 Printing a ScreenPRINT Printer Switch Settings3-22 PRINTERSymbol SymbolsSelf Test 3-23vice Center Error CodesSelf Test Errors 3-24Vf is the relative propagation velocity Range Errors3-25 MaximumUnaliased RangeCANNOT ZERO 3-26Chapter 3 Functions and Operations Chapter 3 Functions and Operations 3-27Chapter 3 Functions and Operations Using the Soft Carrying Case3-28 Introduction Chapter MeasurementsMeasurement Functions Chapter 4 Measurements Power On ProcedureCalibration Procedure Chapter 4 Measurements Selecting the Frequency RangePerforming a Calibration Chapter 4 Measurements Setting the Amplitude ScaleSaving the Setup Recalling a SetupChapter 4 Measurements Saving a Display to MemoryRecalling a Display From Memory Chapter 4 Measurements Figure 4-6.Insertion Loss Mode Calibration Results Loads at RF Out and RF In Chapter 4 MeasurementsNOTES: For best calibration results–compensationfor all measurement system uncertainties–ensurethat the Open/Short/Load is at the end of the test port or optional extension cable; that is, at the same point as the antenna or device to be tested will be connected Chapter 4 MeasurementsRequired Equipment Device-Under-TestSpecificationProcedure SWR Return Loss and Cable Loss MeasurementNOTES 4-10Performing a Calibration Chapter 4 MeasurementsFigure 4-9.Cable Measurement Test Setup 4-11SWR or Return Loss Measurement Set the Amplitude Scale and Limit LineChapter 4 Measurements 4-12Step 24. Enter 6, 2, 5 using the key pad or the Up/Down arrow key. Press ENTER to set the Start Frequency to 625 MHz Chapter 4 Measurements Setting the Markers4-13 Setting the Amplitude Scale Setting the Segment Limit LInes4-14 Cable Loss MeasurementFigure 4-12.Cable Loss Measurement Results 4-15Chapter 4 Measurements Procedure 4-16DTF Measurement Device-Under-TestSpecificationStep 13. Press ENTER to start the calibration 4-17Performing a Calibration Chapter 4 MeasurementsChapter 4 Measurements Setting the Marker4-18 Setting the Amplitude ScaleFigure 4-13.DTF - SWR Measurement Results cable length 4-19Chapter 4 Measurements Chapter 4 Measurements 4-20Setting the Amplitude Scale Setting the MarkersFigure 4-15.DTF - SWR Measurement Results cable quality 4-21Chapter 4 Measurements Device-Under-TestSpecification 4-22Insertion Gain Amplifier Measurement Selecting the MeasurementOPTIONAL 4-23Chapter 4 Measurements TEST PORT CABLEFigure 4-20.Amplifier Gain Measurement Setup 4-24Amplifier Gain Measurement Setting the MarkersChapter 4 Measurements 4-25Activating the Bias Tee Setting the Amplitude ScaleFigure 4-22.Measurement Display of Amplifier Gain 4-26Chapter 4 Measurements Measuring High Input Power Levels Making Power MeasurementsEntering Power Monitor Mode Zeroing the Power MonitorRequirements Communication Port SettingChanging COM Port Settings–Windows95/98/NT Chapter Software Tools ProgramChapter 5 Software Tools Program Chapter 5 Software Tools Program Software InstallationPlot Capture Serial Interface Capture multiple traces to a databaseCapture single or multiple traces to PC screen COM port Program defaults to COM2Saving a Custom Cable List Custom Cable List Uploading and DownloadingChapter 5 Software Tools Program Fault Location SoftwareSmith Chart Software Program OperationChapter 5 Software Tools Program Pasting a Plot in Graphic or Spreadsheet For- matSaving Data to a Database “Drag-n-Drop”Chapter 5 Software Tools Program Each cable/antenna tends to have a unique Distance-To-FaultDTF “Signature” because differing cable electrical lengths, cable types, dielectric thickness variations, and the posi- tions of components connectors, adapters, and lightning arresters will cause different re- flections at differing positions in the transmission line. Variations in the “signature” between maintenance intervals offer a good indication of damage or damage causing condi- tionsPrinting Relative Propagation Velocity Vf Coaxial Cable Technical DataAppendix A Reference Data Cable TypeNominal Attenuation Appendix A Reference DataCable Type Relative Propagation Velocity Vf