Built-In Security Features
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 inf
ormation.
13. Push the Clear lower-bezel button.
14. Push the ↓ arrow side-bezel button to position the cursor on the Gateway IP
Address information.
15. Push the Clear lower-bezel button.
16. Push the ↓ arrow side-bezel button to position the cursor on the Subnet Mask
information.
17. Push the Clear lower-bezel button.
18. Push the OK Accept side-bezel button.
The LAN system is 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 USB cable or device from the USB device port on the rear of the
instrument.
2. Push the front-panel Utility button.
3. Pus
htheUtility Page lower-bezel button and use the Multipurpose a knob
to select I/O.
4. Pu
sh the USB lower-bezel button.
5. Push the Disabled (Off Bus) side-bezel button to disable the USB device port.
The USB device port is disabled and no longer allows data trafficinorout.
Tektronix 4000 Series Declassification and Security Instructions 5