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Spectrum Master MS2711B Maintenance Manual

This manual provides maintenance instructions for the MS2711B Spectrum Analyzer. It describes the product and provides performance verification procedures, parts replacement procedures, and a replaceable parts list.

Maintenance Manual pdf 2.5 MB Version: C 6/9/2009

Spectrum Master MS2711B User Guide

User Guide for the MS2711B Handheld Spectrum Master

User Guide pdf 1.9 MB Version: F 3/16/2007

Spectrum Master MS2711B Programming Manual

This programming manual is written exclusively for the Anritsu Model MS2711B with firmware version 2.00 or higher.

Programming Manual pdf 189.7 KB Version: B 8/1/2002

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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

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I'm trying to use dynamic attenuation with my MS2711B at full span. It doesn't seem to work. Why not?

Dynamic attenuation cannot compensate for the "zero beat" that exists in all spectrum analyzers. Increase the starting frequency such that the zero beat is no longer visible.

In the MS2711B I attached a 30 dB attenuator to the input port. What should I set the reference level offset to so that the MS2711B automatically compensates for that attenuator?

The reference level offset should always be equal to whatever loss or gain is added externally. If you add an attenuator, the RL offset should be negative. If you add gain, the RL offset should be positive. In this case, the RL offset = -30

What is the MTBF specification for the MS2711B?

The MTBF (Avg.) for the MS2711B is 88,475 Hrs.

Is there a way to return the Site Master, MT8212B, S412D or MS2711x to factory defaults?

Yes. Turn the unit off - Hold down the Escape/Clear key and turn the unit on - as soon as the screen starts to display, release the Escape/Clear key. The display should show FACTORY DEFAULTS SETTINGS. This will not erase any stored setups or plots.

How do I make a CP and ACPR measurement? Where can I find this information?

Refer to the Hand Held Spectrum Analyzer Users Guide, Field Measurement chapter for a detailed explanation of these Adjacent Channel Power Ratio and Channel Power measurement functions and examples.

What is ACPR and why do I need a button for it?

ACPR stands for Adjacent Channel Power Ratio. This is a Spectrum Analyzer measurement. It is a measure of the amount of adjacent channel power that leaks to within the channel of interest. The Users Guide provides extended information on these functions.

Sometimes the SPA displays "ATTEN", "RBW" or "VBW" with a "*" after them. What does that mean?

Attenuation, RBW and VBW can all be automatically coupled or manually coupled. When automatically coupled, the attenuation changes as the reference level is changed, the RBW changes as the span is changed and the VBW changes as the RBW is changed. When they are manually coupled they can be changed independently. The "*" after the parameter indicates that it is manually coupled.

Using the pre-amp, I see the message AMP-SAT on the display, but no large signals on the graph. What's going on?

More than likely, there is a large signal outside of your measurement span causing the pre-amp to saturate. The pre-amp is a broadband amplifier, with no tuning or filtering before its input. This is why we recommend the pre-filters in the optional accessories.

I'm trying to install the Handheld Code Loader (HHCL) program on an older PC running Windows 2000 or Windows ME. During installation the setup program informs me that my system files are out of date and asks if I want to update them. I choose yes and the program acts like it has upgraded them and asks me to reboot. After I reboot, I get the same messages as if the files were not upgraded.

After the program is downloaded and unzipped, there should be three files present: 1. Setup.exe 2. CodeLoader_vX.XX.CAB 3. SETUP.LST Please open SETUP.LST using Notepad. You will see a structure like this in the second paragraph. " [Bootstrap Files] File1=@VB6STKIT.DLL,$(WinSysPathSysFile),,,6/18/98 12:00:00 AM,102912,6.0.81.69 File2=@MSVCRT40.DLL,$(WinSysPathSysFile),,,5/31/98 12:00:00 AM,326656,4.21.0.0 File3=@olepro32.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,106496,5.0.5014.0 File4=@COMCAT.DLL,$(WinSysPathSysFile),$(DLLSelfRegister),,5/31/98 12:00:00 AM,22288,4.71.1460.1 File5=@stdole2.tlb,$(WinSysPathSysFile),$(TLBRegister),,8/29/02 4:00:00 AM,17920,3.50.5014.0 File6=@asycfilt.dll,$(WinSysPathSysFile),,,8/29/02 4:00:00 AM,77824,3.50.5014.0 File7=@oleaut32.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,569344,3.50.5016.0 File8=@msvbvm60.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,1388544,6.0.92.37 " Change File1 to File (delete the 1). Then save SETUP.LST, it should look like the example below: " [Bootstrap Files] File=@VB6STKIT.DLL,$(WinSysPathSysFile),,,6/18/98 12:00:00 AM,102912,6.0.81.69 File2=@MSVCRT40.DLL,$(WinSysPathSysFile),,,5/31/98 12:00:00 AM,326656,4.21.0.0 File3=@olepro32.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,106496,5.0.5014.0 File4=@COMCAT.DLL,$(WinSysPathSysFile),$(DLLSelfRegister),,5/31/98 12:00:00 AM,22288,4.71.1460.1 File5=@stdole2.tlb,$(WinSysPathSysFile),$(TLBRegister),,8/29/02 4:00:00 AM,17920,3.50.5014.0 File6=@asycfilt.dll,$(WinSysPathSysFile),,,8/29/02 4:00:00 AM,77824,3.50.5014.0 File7=@oleaut32.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,569344,3.50.5016.0 File8=@msvbvm60.dll,$(WinSysPathSysFile),$(DLLSelfRegister),,8/29/02 4:00:00 AM,1388544,6.0.92.37 " Once SETUP.LST is saved with the above changes, run the Install Setup.exe.

How can I find out if there is a Software update available for my SiteMaster Software Tools? How do I get the update?

Download your free update via the Internet. The software tools help menu has a direct link to the Anritsu Download site where this can be found. Or go directly to "http://www.us.anritsu.com/sitemastersoftware" Handheld Software Tools. Or call 1-800 ANRITSU and ask for Site Master Support.

When testing sites on power transmission towers do I need to worry about ESD damaging the Site Master?

Yes. If you are testing the line with the antenna attached, there is a good chance that the Site Master could be damaged by ESD. This happens because ESD gets onto the center conductor through the antenna's elements. It is safe to test with a load or short because there is no path for the ESD to get onto the center conductor.

What causes an Integrator Failure?

An integrator failure is typically caused by excessive RF power to the input of the Sitemaster. Different Sitemaster models have different damage levels that they can tolerate and newer models have improved immunity to overpower conditions. See the appropriate user manual for the damage level for your particular unit. One common way this overpower condition can be caused is by a high powered interfering carrier when testing with the antenna attached at a co-locate site. If the power level of the interference is too high it could cause damage to the Site Master. To find out if damage has occurred, disconnect the Site Master from the coax under test and if the integrator failure still occurs then there may be damage to the unit. To prevent this type of situation, check the power level on the antenna first using a power meter or power monitor (Options 29 or 5) to see if any power is present on the antenna before sweeping it.

When I select to display a plot from a database, the plot will not display and my mouse cursor remains an hour-glass.

This is a problem with the database operations. It is caused when more than 2 lines of information have been added into the Plot Description field even if the extra lines are blank. To fix this, select the Record then select Edit. Place the cursor at the end of the 2nd line of the Plot Description field. Left-click and hold down the mouse button and scroll down. The cursor will now be below the 2nd line. Press the Delete key on the keyboard to remove the extra lines. The cursor should now be at the end of the 2nd line. Either select another record or select Done. To prevent this from happening on the initial entry of Plot Descriptions, try to remember not to press the Enter key when done with the 2nd line entry.

Why is my display dark when it is too hot or too cold?

It is normal for the display contrast to change with temperature. Use the contrast adjust to compensate.

Can I use any standard extension cable with my Site Master?

Not usually. The cable used is very critical in making accurate, repeatable measurements. The cable must be 'phase stable'. Many are, including all that are sold with the Site Master. This type phase and loss of this type of cable does not change much as it is flexed and therefore produces consistent measurements when used with your Site Master.

How long does it take to warm up my SiteMaster?

The SiteMaster can be used immediately without any warm up time, however the temperature inside the box will rise quite fast in the first 5 minutes of operation and then much slower after that. If you don't want to wait, you can calibrate and make measurements immediately. However you may need to recalibrate as the box warms up, the SiteMaster will warn the operator if the temperature change requires another calibration.

How to interpret traces?

A return loss measurement is like using a SWR meter, it is a quick pass/fail type of measurement. DTF is used to identify where a problem occurs, your knowledge of the installation will indicate the type of problem. For example, a large spike in the middle of a main feed line indicates a problem. In some areas of the USA, cables make excellent target practice and bullet holes are common. A large spike typically indicates an open or short of some type. Somewhere in the middle, a crushed cable, ignoring the antenna.

One thing, on long cable runs, you can use either VSWR or RL in DTF. For short cable runs, like jumpers, VSWR sometimes makes it easier to interpret the display.

How do I get the graph from Software Tools into a Word Document? Into Excel?

Software Tools provides several methods of exporting a graph for use in other applications. The Copy and Paste method will work for all MS Windows compatible programs. In addition, the File, Export function can save your Graph in a Windows Meta File format .WMF or to Text. The text file contains the data behind the graph for import into any spreadsheet.

Using version 6.41 software, I do not seem to be able to overlay two plots by the drop and drag method described in the help file. Can you suggest what I may be doing wrong?

On the Software Tools Window, the Mouse Function is a toggle, make sure it says.... Mouse Function: Plot Overlay. Now you can only overlay similar traces, that is a DTF plot or VSWR (Return Loss). Using the mouse - left click on the trace to be used and drag it over to the second trace as shown in the help window.