Tektronix 4 Series

Clear and sanitize p rocedures
Media and data export devices
The following table lists the data export devices in the instrument.
Table 3: Media and data export devices
Type Function
Method of
modification
Data input
method Location User accessible To disable
USB Host ports User storage and recall of
reference waveforms, screen
images, and instrument
setups, and installation of
firmware updates using
removable USB flash drives
Directly User writeable
Three USB Host
ports on front of
the instrument;
two USB Host
ports on the back
of the instrument
Yes
Use the
Utility > Security
menu
to disable all USB ports (Host and
Device). Requires a password
(user-created when first disabled)
USB Device port
Remote control and data
transfer to a PC
Directly Remote control
using USBTMC
USB Device port
on back of the
instrument
Yes
Use the
Utility > Security
menu
to disable all USB ports (Host and
Device). Requires a password
(user-created when first disabled)
Ethernet
Transfer data and remote
control of instrument.
Directly Remote control
using LXI, VISA,
or Socket Server
Ethernet port on
back of instrument
Yes
Use the
Utility > Security
menu
to disable the Ethernet LAN port.
Requires a password (user-created
when first disabled)
4 4 Series MSO Opt. 4–SEC Declassification and Security Instructions