Built-In Security Features
To overwrite protected
user data
This procedure overwrites everything that is stored in the protected user data area.
Send the following commands to the oscilloscope:
:PASSWORD “XYZZY” (or current password if not “XYZZY”)
:NEWPASS “ANYTHING”
:PASSWORD “ANYTHING”
*PUD #3300xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx[repeat
for a total of 300 x’s]
Disable the LAN Port and Clear LAN Ethernet Settings
To disable the LAN port and clear LAN Ethernet settings, such as IP addresses,
follow these steps:
CAUTION.
If you need to restore network connectivity at a later date, make sure to
write down all setting values before clearing them.
1.
Remove the network cable from the LAN port on the rear of the instrument.
2.
Push the front-panel
Utility
button.
3.
Push the
Utility Page
lower-bezel button and use the
Multipurpose a
knob
to select
I/O
.
4.
Push the
Ethernet Network Settings
lower-bezel button.
5.
Push the
Change Instrument Settings
side-bezel button.
6.
Push the
↑
or
↓
arrow side-bezel button to position the cursor on the
User
Password
information.
7.
Push the
Clear
lower-bezel button.
8.
Push the
↓
arrow side-bezel button to position the cursor on the
Instrument
IP Address
information.
9.
Push the
Clear
lower-bezel button.
10.
Push the
↓
arrow side-bezel button to position the cursor on the
Domain
Name
information.
11.
Push the
Clear
lower-bezel button.
12.
Push the
↓
arrow side-bezel button to position the cursor on the
DNS IP
Address
information.
13.
Push the
Clear
lower-bezel button.
DPO2000/B and MSO2000/B Series Declassi
fi
cation and Security Instructions
5
