Anritsu S251C Set the Distance and Cable Type, Changing the Units, Changing the Display Language

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Chapter 3 Getting Started

Set the Distance and Cable Type

In Distance-To-Fault (DTF) mode, the length of the transmission line (distance) and cable type are selected. The cable type determines the velocity propagation and cable attenuation factor. The following procedure can be used to set the distance and select the appropriate cable type.

NOTE: Selecting the correct cable is very important for accurate measurements and for identifying faults in the transmission line. Selecting the incorrect cable type will allow the DTF trace to be shifted in vertical and horizontal displays and make it difficult to accurately locate faults.

Step 1. Press the MODE key.

Step 2. Select DTF RETURN LOSS or DTF SWR mode. The Site Master automatically sets D1 to zero.

Step 3. Press the D2 soft key.

Step 4. Enter the appropriate D2 value for the maximum length of the transmission line and press the ENTER key to set the D2 value.

Step 5. Press the DTF AID soft key.

Step 6. Using the Up/Down arrow key, select CABLE TYPE. Standard cable types are stored in the Site Master cable list. This standard list may not be edited. A cus- tom cable list can also be created.

Step 7. Using the Up/Down arrow key, select the appropriate list and select the type of cable. The selected cable type, PROP VEL and CABLE LOSS in dB/ft (or dB/m) will be displayed.

Step 8. Press ENTER.

Changing the Units

By default, the Site Master displays information in metric units. Use the following proce- dure to change the display to English units.

Step 1. Press the SYS key.

Step 2. Select the OPTIONS soft key.

Step 3. Press UNITS to change from metric to English measurement units, or vice versa. The current selection is displayed at the bottom left corner of the screen.

Changing the Display Language

By default, the Site Master displays messages in English. To change the display language:

Step 1. Press the SYS key.

Step 2. Select the Language soft key.

Step 3. Select the desired language. Choices are English, French, German, Spanish, Chi- nese, and Japanese. The default language is English.

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Contents Site Master Model S251C Antenna Cable Analyzer Page Warranty Page Table of Contents Cable & Antenna Analysis Iii/iv Standard Accessories IntroductionDescription Optional Accessories OptionsPerformance Specifications Description Site Master Performance Specifications 2 Preventive Maintenance ESD PrecautionsAnnual Verification Anritsu Service Centers Test Connector Panel Chapter Functions and OperationsFront Panel Overview Active Function Block Soft KeysFunction Hard Keys ModeKeypad Hard Keys ClearAuto Soft Keys MODE=FREQ FREQ/DIST SoftkeysMODE=DTF FREQ/DIST Softkeys Functions and Operations Amplitude Power Monitor Menu Option MODE=POWER Monitor SoftkeysRF Source Menu MODE=RF Source SoftkeysLimit Segment 1 Segment SYS Symbols Self TestError Codes Self Test ErrorsRange Errors ERRORD2Charging the Battery in the Site Master Battery InformationCharging a New Battery Charging the Battery in the Optional ChargerBattery Charge Indicator Battery LifeImportant Battery Information Power On Procedure Chapter Getting StartedSelect the Frequency or Distance CalibrationCalibration Procedure Single Port CalibrationCalibration Procedure Dual Port RF in Test Port RF OUT Test PortSetting the Scale Save and Recall a SetupSave and Recall a Display Recalling a Display Set the Distance and Cable Type Changing the UnitsChanging the Display Language Printing Printing a ScreenPrinter Switch Settings PrinterUsing the Soft Carrying Case Using the Site Master Soft Carrying CaseOne Port Measurements Line Sweep FundamentalsInformation Required for a Line Sweep MeasurementsTypical Line Sweep Test Procedures System Return Loss Measurement2is an example of a typical system return loss trace Procedure Cable Loss Mode Insertion Loss MeasurementType Attenuation dB/ft Length ft = Loss dB Procedure Return Loss Mode Distance-To-Fault DTF Transmission Line Test Procedure DTF-Return Loss ModeProcedure DTF-SWR Mode Antenna Subsystem Return Loss Test Vswr Two Port Measurements IntroductionTMA Measurements TMA-STMA Gain Measurement After Calibration TMA-DD 12. TMA-DD Gain Measurement TMA-D 14. TMA-D Gain Measurement Antenna to Antenna Isolation 15. System IsolationQuency settings for common systems Antenna-to-Antenna Isolation Measurement21/4-22 Features System RequirementsInstallation Communication Port SettingUsing Software Tools Interface Cable InstallationDownloading Traces from the Site Master Plot Capture Plot PropertiesTrace Overlay or Plot Overlay Saving TracesCustom Cable List Saving a Plot to a SpreadsheetCreating a Database Printing FormatsCoaxial Cable Technical Data Appendix a Reference DataAppendix a Reference Data A-4 Appendix B Windowing ExamplesAppendix B Windowing B-4