MS20xxC UG PN: 10580-00305 Rev. L 4-1
Chapter 4 — Secure Data, Option 7
4-1 Introduction
When equipped with Option 7, the MS20xxC VNA Master provides for careful management of
confidential data for both the setup parameters and the resulting measured data.
Highly sophisticated systems and equipment have technical applications that must remain
secure in their operations. The particular parameters that must remain secure usually
involve operating frequencies and a variety of other setup configurations.
To accommodate the measurements and yet preserve the data as confidential, Option 7 can be
used to prevent any setup data or measured data from being stored on any internal memory
location of the VNA Master. Instead, all such data are forced to be stored on removable
memory such as an external USB memory device.
4-2 Procedure
When saving data (setups, measurements, JPEG, and so forth) in a VNA Master with
Option 7, the save location must be an external USB memory device. If a USB memory device
is not connected to the instrument, then you cannot perform the save function.
You can use the following steps to change the save location while saving a file:
1. Press the Shift key, then the File (7) key.
2. Press the Save soft key.
3. Press the Change Save Location soft key.
4. Use the rotary knob or arrow keys to highlight the external USB memory device or any
desired folder on that device.
5. Press the Create Folder soft key to create a new folder, if desired.
6. Press the Set Location soft key to set the highlighted folder or drive as the target
location.
7. Press the Change File Type soft key to pick a different file type, if desired.
8. Use the Text Entry soft keys to enter the desired file name.
9. Press Enter to save the file.
Caution
Note that even with Option 7 enabled, operating parameters (such as frequency
range, power level, number of points) that are set by the user are stored in the
VNA Master EEPROM when the VNA Master is turned OFF. These parameters
can be erased, however, via a Master Reset operation, as described later in this
chapter.
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