2-15 Memory Profile and Security Issues Quick Start Guide
2-30 PN: 10580-00305 Rev. L MS20xxC UG
The Battery Charge LED (adjacent to the On/Off button) flashes when the battery is
charging, and remains on steady when the battery is fully charged.
The Shift key icon is displayed after the Shift key is pressed, and it remains displayed until
another button is pressed.
Hold
A HOLD MODE message is displayed when the VNA Master is on hold. To resume sweeping,
toggle from Hold to Run in the Sweep menu.
Single Sweep
The Single Sweep message is displayed when Single Sweep is selected. Single, Continuous, or
External Trigger can be selected in the Sweep Menu.
External Trigger
The External Trigger message is displayed when Ext is selected. Single, Continuous, or
External Trigger can be selected in the Sweep Menu.
2-15 Memory Profile and Security Issues
This section describes the profiles of the various types of memory that are used in the
MS20xxC VNA Master and the associated security issues that are related to those memory
devices.
The MS20xxC has 1 GB of Flash non-volatile memory, has EEPROM memory, and has
sufficient DRAM volatile memory for normal operation. The instrument is supplied with a
USB memory device that plugs into the USB Type A connector. The MS20xxC does not have a
hard drive or any other type of volatile or non-volatile memory.
The following sections describe how memory is used in the VNA Master and how it can be
erased.
Internal Flash Memory
This memory space is used to store the instrument firmware and factory calibration, and can
be used to store measurements and setups that are saved by the user.
Saved measurements and setups stored in the Flash memory are all deleted by the master
reset process that is described in “MS20xxC Master Reset Instructions” on page 2-31.
Caution
Use only Anritsu-approved batteries, adapters, and chargers with this instrument.
Anritsu Company recommends removing the battery for long-term storage of the
instrument.
Note
With Option 7 enabled, the user is not able to store any measurements or setups to
this internal flash memory.
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