Built-In Security Features
The LAN system i
s disabled and no longer allows data traffic in or out. The
relevant LAN Ethernet settings are also cleared.
Disable the USB Device Port
To disable the USB device port, follow these steps:
1. Remove any U
SB cable or device from the USB device port on the rear of the
instrument.
2. Push the fr
ont-panel Utility button.
3. Push the Utility Page low er-bezel button a nd use the Multipurpose a knob
to select
I/O.
4. Push the USB lower-bezel button.
5. Push the Disabled (Off Bus) side-bezel button to disable the USB device port.
Note that the USB lower-bezel button shows “Disabled.” T he USB d evice port is
disabled and no longer allows data traffic in or o ut.
Use the
MDO4SEC option to disable all I/O ports
If your instrument has the MDO4SEC option installed, use the following
procedure to turn off all of the I/O ports.
1. Push the front panel Utility button.
2. Push the Utility Page lower-bezel button and use the Multipurpose a knob to
select Security.
3. Push the Security Password lower-bezel button.
4. Use the Multipurpose knob to enter a password.
5. Push the I/O Ports lower-bezel button.
T
o disable all USB and Ethernet ports on the oscilloscope, push the OK
Disable All Ports on the side-bezel button.
6
.
P
ush the Menu Off front-panel button to close the dialog box.
7. Power off the oscilloscope, and then power it back on to complete the process.
To reset the instrument RAM, do the follow ing:
1. Power off the instrument for at lea st 20 seconds.
2. Power on the instrumen t .
12 Declassification and Security Instructions
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