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I am looking at a 160 MHz OFDM signal at 5 GHz on my MXA or PXA signal analyzer. Why can’t I see the whole signal?
The instrument preselector is limiting the bandwidth of the MXA or PXA input.

FAQ 2013-06-05

How Can I Identify Boards Revision in FieldFox?
See instructions.

FAQ 2012-08-20

How Do Recalibrate the FieldFox Battery Pack?
Use N9910X-872 to recalibrate the battery pack.

FAQ 2012-08-17

Why Do I Get a "Meas UNCAL" Message During Zero Span Measurement in Signal Analyzer Mode?
The “Meas UNCAL” message during zero span measurements indicates that the capacity of the capture memory has been exceeded for the current combination of RBW and sweep time.

FAQ 2012-08-17

Why Do I Get an Install Error Message When I Try to Upgrade my Firmware?
The likely cause is a conflicting file name.

FAQ 2012-08-17

Why won't my FieldFox Turn On?
Most often power on issues occur when battery has been completely discharged.

FAQ 2012-08-17

Why won't my Signal Analyzers Display Pulse Type Signals Properly?
These signals may be missed if the Sweep Acquisition setting is on Auto. We recommend using a Sweep Acquisition setting of 50 or 100 for GSM signals.

FAQ 2012-08-15

Why Does FieldFox Sometimes Revert to a Zero Serial Number at Power On?
The firmware needs to be upgraded to ≥ A.03.02.

FAQ 2012-08-15

When attempting to make a Modulation Accuracy (Rho) measurement in the cdmaOne personality I get the error message, "Cannot correlate to input sign...
The Modulation Accuracy (Rho) measurement in the cdmaOne personality requires that you only have the pilot carrier turned on for your base station. If other code channels are turned on, you will get this error message.

FAQ 2012-05-26

Why do I get the "Align 20 Hz to 3.6 GHz Required" message every time I turn my MXE on?
You don't. Wait for it to warm back up...

FAQ 2012-05-09

Why do I continue to get the "Align 20 Hz to 3.6 GHz Required" message even though I ran the Align Now, All routine on my MXE?
You also need to run the System, Alignments, More, RF Preselector, Align Now alignments...

FAQ 2012-05-09

What is the frequency range of the N5532A Sensor Module?
100 kHz to 4.2 GHz, 10 MHz to 18 GHz, 30 MHz to 26.5 GHz, and 30 MHz to 50 GHz.

FAQ 2012-02-26

How can I clear a "bad disk" or "bad file name" error message when accessing the internal RAM memory on the 89441A or 89410A?
If a "bad disk" error message occurs when trying to catalog a disk, or a "bad file name" message occurs when trying to copy a disk file, the non-volatile RAM memory (NVRAM disk) in the 89410A or 89441A has become corrupted.

FAQ 2012-02-25

Why Do I Get a "VCO Unlock Error" on my N9923A?
The solution is to upgrade firmware to A.05.04 or later.

FAQ 2011-11-14

How Do I Avoid a "Buffer Overflow" Error Message When Performing with TME Software Adjustment?
Use a direct crossover cable between your FieldFox and your PC.

FAQ 2011-08-29

My InfiniiMax probe fails calibration or does not accurately pick up the cal signal when I use the E2655A test fixture. What could be wrong?
The first step in troubleshooting a failed probe calibration should be to compare the actual signal and the probed signal. If the probed signal does not track the actual signal well, it is most likely due to a poor connection.

FAQ 2010-01-10