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Site Master S331D User Guide

User Guide for the Site Master S331D model.

User Guide pdf 1.6 MB Version: L 10/3/2012

Site Master S331D Maintenance Manual

This manual provides maintenance instructions for the Site Master Model S331D Cable, Antenna and Base Station Analyzer. It describes the product and provides performance verification procedures, parts replacement procedures, and a replaceable parts list.

Maintenance Manual pdf 1.9 MB Version: H 10/3/2012

Site Master Quick Reference Cards

This laminated card set is a Quick Reference guide to help you with the following measurements: Return Loss Return Loss Interpretation Distance To Fault Distance To Fault Interpretation Cable Loss

Instruction Sheet pdf 1.3 MB Version: A 2/13/2008

Site Master S33xD Programming Manual

Programming Manual for the Site Master S331D and the S332D models.

Programming Manual pdf 5.7 MB Version: C 1/17/2008

By Document Type

Anritsu Software Tool Box (Full Installer)

The Anritsu Software Tool Box contains tools to help you make the most of your Anritsu RF Handheld Instruments. This installer may not require internet access while running. See the software tools pages for details. Anritsu Software Tool Box includes Line Sweep Tools, Master Software Tools, Wireless Remote Tools, easyTest Tools, and easyMap Tools. This stand-alone installer will download all Anritsu software needed to install your chosen PC Tools software, and do so all in one file. This is ideal if you will be doing the installation on a computer without internet access. Windows 7, Windows 8 or Windows 10 computers may still need internet access to download the Microsoft .NET 3.5 suite of support files.

Drivers Software Downloads exe 388.8 MB Version: 1.18 4/10/2019

Updating Legacy Anritsu Handheld Instrument Firmware

This document provides an overview of the firmware update process using Anritsu’s Master Software Tools (MST). For detailed information about Master Software Tools, refer to the Help menu > Help Contents. For detailed information on the firmware update process refer to the User Guide for your Anritsu handheld instrument.

Drivers Software Downloads pdf 383.0 KB Version: C 7/31/2017

HHCL Version History

Release dates, Software Requirements, and Compatibility.

Drivers Software Downloads pdf 354.1 KB Version: 3.44 6/4/2008

Download Handheld Code Loader

Handheld Code Loader v3.44 Visit the Handheld Code Loader Home Page for quick access to the firmware, features, and version history (no registration required). Note: Master Software Tools (MST) now works on Site Master S311D, S331D, S312D, S332D and Cell Master MT8212B. We strongly recommend users to migrate to MST. This platform has numerous productivity advantages over the HHST and all future product enhancements will be done via MST. Visit the Master Software Tools (MST) Home Page for more information.

Drivers Software Downloads exe 7.0 MB 3/19/2008

Download Handheld Software Tools

Handheld Software Tools V6.61 (Release date: December 21, 2007) Handheld Software Tools has been replaced by Line Sweep Tools and will receive no further updates. Visit the Line Sweep Tools (LST) information page to learn more. Visit the Handheld Software Tools (HHST) information page for quick access to additional drivers, features, version history, etc.

Drivers Software Downloads exe 7.9 MB 12/21/2007

By Product Category

I need a Cable and Antenna Analyzer and VNA that I can use to test cable TV applications that have an impedance of 75 Ohms. Can I use the MS2024/26A on 75 Ohm systems?

Yes the MS2024/26A can be use to test 75 ohm systems. When using 75 ohm matching pads you are limited to 3GHz for your testing. You need to use a matching pad, part number 12N50-75B and 75 Ohm calibration components. The calibration components are:

22N75 Open/Short, DC to 3GHz, N(m) 75 ohms

22NF75 Open/Short, DC to 3GHz, N(f) 75 ohms

26N75A Precision Termination, DC to 3 GHz, N(m), 75 ohms

26NF75A Precision Termination, DC to 3 GHz, N(f), 75 ohms

I need to do a DTF measurement from 1930 MHz to 1945 MHz on my Site Master. When I set F2 to 1945 MHz I get an error message "New Values Invalid".

Your data points needs to be changed to 130 Data points.  At 130 sata points you can have a span of 13 MHz or larger.  At 259 data points the minimum span is 25.9 MHz.  At 517 data points the minimum span is 51.7 MHz. In the DTF parameter screen it shows the maximum span setting in the Resolution parameter.

Can Option 21 and Option 10A be installed to S331D model Site Master.

These options are not currently available for S331D model.

Can I order a S331D that does not have color screen.

No, the S331D has a color screen as standard and cannot be ordered with a non-color display.

A coax return loss measurement on my S331D is not passing. How can I tell if the problem is due to a bad coax or if the Site Master is faulty?

Do a visual inspection of all connections on the site master, cal components and test port cable.  Carefully clean all connectors and then re-test.  If the test is still not passing do the following:
  1. Calibrate at the site master leaving the load on after the CAL ON is displayed.  The Return loss should be 42dB or better.  With good components and a good Site Master 55-60 dB return loss is typical. 
  2. If the Return loss after the calibration is acceptable put the phase stable cable on the Site Master and put the termination at the end of the test port cable.  The typical Return loss of a good phase stable cable should be 30dB.  If you as seeing a 20 RL or less the phase stable cable might need replacing.  Even though you calibrate at the end of the phase stable cable when an RL of 20dB of less on a phase stable cable is not good.  You can also try moving the cable with the load on the end of it after calibration while watching the RL sweep.  A bad cable exhibit wild swing up and down as you move the cable around.
  3. If the Site Master calibrates correctly and the phase stable cable looks good try testing a known good coax cable of the same type.  If it this cable looks good then the original coax cable is likely to be the cause of the problem.

Does Anritsu have calibration procedures for the OSLN50LF, OSLN50, and OSLN50-1?

These components can be returned to Customer Service for calibration but the procedures are not available for customers.

How do I add options to my S331D Site Master?

Options can be added to the S331D by contacting your local Service Center.  Some options include hardware that may require the unit to be returned to the factory for retrofitting, while other options can be retrofitted through software using a license file.  If the option can be retrofitted through software using a license file, below is the needed procedure:

  1. Generate a config file using Master Software Tools, and email this file to the local Service Center. 
    1. Open MST
    2. Connect to the Instrument
    3. Choose Sync → Device Status and Options → Get Options (Config File)
    4. Save the file and email it to the local Service Center.

  2. The local Service center will then return a license file, which can be loaded onto the unit using Master Software Tools.
    1. Open MST
    2. Connect to the Instrument
    3. Choose Sync → Device Status and Options → Set Options (License File)
    4. Select the license file provided by the Service Center.
    5. After MST installs the license file the message “Instrument options successfully upgraded. Cycle power on the instrument to begin using the new features” will be seen.
    6. Reboot the unit and verify the new option is enabled.

How do you convert Handheld Software Tools (DAT type file) to PDF acrobat files?

Handheld Software Tools by itself cannot create PDF files. Additional S/W is needed such as Adobe Acrobat. Once this additional software is installed on the PC most PDF creation software would use the "print" function of the Handheld Software Tools, select the PDF creation software as the "printer" and the resulting output would be a file in PDF format.

I am using the Tripp Lite USB to serial adapter. I have verified the adapter is installed properly and the adapter shows up on Com 4 on my PC under Ports (Com & LPT). The port setting is port 4 in HHST. I have all baud rates set correctly and I still get an error in serial communications after several seconds.

If you have a wireless device enabled on your PC or laptop this can interrupt the serial communication.  Go to Network connections and verify your Wireless Network connection type LAN or high speed internet is disabled.  Even it says disconnected you should disabled it.  This has been known to help in cases where everything is set up properly.  Wireless devices such as Palm Pilots can cause this also so disable all wireless devices that you use.

I've recently upgraded the firmware on my S331D and now under the DTF, I see an option for Optical. What is that?

The S331D when upgraded to Version 5.23 firmware or later has the internal capability to make Optical Distance To Fault  measurements.  An external Optical Distance to Fault Module is also needed to make the Optical DTF measurement.  This part number is ODTF-1.

Does Option 50 (T1/E1 Analyzer) on S331D support fractional T1 testing? Can this option be installed on S332D model?

Option 50 does not support fractional T1 testing and this option cannot be installed on an S332D.

On my S331D I performed a calibration in the return loss mode and took my measurement. I then switched to DTF mode and the calibration on turned to off.

Turn the unit off. Hold the "ESCAPE" key down and turn unit on. Let go of the "ESCAPE" key as soon as the screen turns on. Set up your test in return loss mode and perform a calibration. Perform your test and then go to the DTF mode. Verify this fixed the issue.

Why will my S331C Site Master not download plots?

Try opening the plots one by one. You should run into one that will not open and this plot is most likely corrupted.  Unfortunately, when this is the case, there in nothing that can be done. Erase the plot and try your download again. 

I have difficulties downloading the signal standard file from the instrument to HHST when I use the USB-RS232 adapter, what can I do?

This has to do with the COM settings. For signal standards, it is assuming that you are using COM1 and if you are not, it will be challenging.

To change this, please see below:
Go to Settings -> Control Panel -> System -> Device Manager -> Ports -> double click on USB to RS232 -> port settings -> advanced -> change COM number to 1

In HHST: Settings -> Communication -> COM1

What is the difference in accuracy when comparing the Instacal module with the precision calibration tee?

The InstaCal has a specified directivity of 38 dB for frequencies below 3.5 GHz while the regular calibration tee provides >42 dB of directivity. The directivity is many times the largest contributor to measurement uncertainty and this difference between the two calibration techniques will affect the uncertainty. The difference in performance will be more prevalent the closer to the directivity you are. For instance, if you are making a return loss measurement of an antenna and the overall system return loss is 10 dB, the difference in performance will be less than 0.1 dB. If the overall return loss is 20 dB, then the OSLN50-1 tee will be at least 0.35 dB better than the ICN50 Instacal. In general, it is recommended to use the InstaCal when you are looking for a fast way to make the cal. If superior accuracy is of important, then the precision calibration tee is the best way to go.

What is the difference between the internal power meter and the high accuracy power meter on the Handheld products?

The internal power meter is using the Spectrum Analyzer receiver to measure the channel power over a certain bandwidth. The high accuracy power meter uses an external RMS sensor which makes a broadband power measurement. The sensor provides better accuracy than the internal power meter and is also better suited for making accurate measurements of modulated signals. The main advantage of the internal power meter is that it allows you to make power measurements of specific channels and it can filter out anything outside the bandwidth you entered. The high accuracy sensor will add everything up that is in the path.

I am trying to download 12 traces from my S331D to a database using HHST I consistently get an error on 3 traces although not the same 3 when I try to do this. I also tried to capture the plots to screen but the same thing happens. I am using the latest firmware on the handheld and have the current version of HHST.

On your laptop or PC go to network connections. Left click on Wireless Network Connection to highlight it and then right click. If disable is an option disable the wireless connection and try to download your traces to a database. You may need to power off/on the sitemaster. More detail can be found at:

Why can't I use the Code Loader to upgrade the firmware on my S331 Site Master?

The Code Loader can only be used to upgrade Site Master models that have the capability to upgrade the firmware through the serial port. The S331 uses an Eprom-based firmware which can only be upgraded by an Anritsu Service Center. The models that can not be upgraded with the Code Loader are: 110, 330, S110, S111, S330, S331, S330A with serial number range of 702xxx through 706xxx and S331A with serial number range of 702xxx through 706xxx.

What is the difference between an OSL calibration and FlexCal?

With the OSL calibration, you have to calibrate each time you change the frequency range. With the FlexCal, you can change the frequency range and you don't have to perform another calibration. FlexCal is great for troubleshooting purposes. The accuracy can be affected if your span is really narrow so for optimum accuracy, it is recommended to use the OSL calibration.