Tektronix TDS1001B Installation and maintenance instructions

TDS1000B and TDS2000B Series
Digital Storage Oscilloscope
ZZZ
Declassification and Security Instructions
xx
Revision A
www.tektronix.com
071-1999-00

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Table of Contents
Preface.............................................................................................................. iii
Clear and Sanitize Procedures...................... .............. .............................................. ... 1
Memory Devices............................................................................................... 1
Data Export Devices........................................................................................... 4
Troubleshooting..................................................................................................... 5
How to Clear or Sanitize a Non-Functional Instrument .............. .......... .............. ............. 5
TDS1000B and TDS2000B Series Declassification and Security i

Table of Contents
ii TDS1000B and TDS2000B Series Declassification and Security

Preface
This document helps customers with data security concerns to sanitize or
remove memory devices from TDS1000B and TDS2000B Series Digital Storage
Oscilloscopes.
These products have data storage (memory) devices and data output devices (USB
ports). These instructions tell how to do the following:
Clear or sanitize the memory devices
Clear or sanitize an instrument that is not functioning
Products The following Tektronix products are covered by this document:
TDS1001B
TDS1002B
TDS1012B
TDS2002B
TDS2004B
TDS2012B
TDS2014B
TDS2022B
TDS2024B
Related Documents The TDS1000B and TDS2000B Series Digital Storage Oscilloscope Service
Manual, part number 071-1828-XX, is available on the Tektronix Web site at
www.tektronix.com/manuals.
Terms The following terms may be used in this document:
Clear. This removes data on media/memory before reusing it in a secured area.
All reusable memory is cleared to deny access to previously stored information
by standard means of access.
Erase. This is equivalent to clear.
Media storage/data export. Various devices that are used to store or export data
from the instrument, such as a USB port.
Nonvolatile memory. Data is retained when the instrument is powered off.
Remove. Thisisaphysicalmeanstoclearthedatabyremovingthememory
device from the instrument. Instructions are available in the product service
manual.
TDS1000B and TDS2000B Series Declassification and Security iii

Preface
Sanitize. This eradicates the data from media/memory so that the data cannot be
recovered by other means or technology. This is typically used when the device
will be moved (temporarily or permanently) from a secured area to a non-secured
area.
Scrub. This is equivalent to sanitize.
User-modifiable. The memory device can be written to by the user during normal
instrument operation, using the instrument’s user interface or remote control.
Volatile memory. Data is lost when the instrument is powered off.
iv TDS1000B and TDS2000B Series Declassification and Security

Clear and Sanitize Procedures
Memory Devices
The following tables list the volatile and nonvolatile memory devices in the
standard instrument and listed options.
YouonlyneedtoperformtheClear Flash Procedure to clear the instrument.
(See page 2, Clear Flash Procedure.)
Table 1: Volatile Memory Devices
Type and
minimum size Function
User
Modifiable
Input
method Location Process to clear
SDRAM,
512K X 32
Acquisition memory for
holding and processing
waveforms, and
processor system RAM.
Only by
processor
system.
N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
Remove power from the
instrument for at least
20 seconds.
SRAM, 128K X 8 Shared memory
between the acquisition
system and the USB
processor.
Only by
processor
system.
N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
Remove power from the
instrument for at least
20 seconds.
Real-time clock,
which contains battery
backed-up memory
Unused. Unused. N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
N/A
USB 2.0 OTG
host/peripheral
controller, 8K X 16
RAM
Contains USB controller
program and data
memory.
Only by
processor
system.
N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
Remove power from the
instrument for at least
20 seconds.
SRAM, 64K X16 Data memory for the
USB processor.
Only by
processor
system.
N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
Remove power from the
instrument for at least
20 seconds.
TDS1000B and TDS2000B Series Declassification and Security 1

Clear and Sanitize Procedures
Table 2: Nonvolatile Memory Devices
Type and
minimum size Function
User
Modifiable
Input
method Location Process to clear
FLASH,
8M X 8,
4M X 16
Holds instrument
firmware, current setup,
saved setups, saved
reference waveforms,
hard copy image
files, and calibration
constants.
Only by
processor
system.
N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
See the Clear Flash
Procedure that follows
this table.
EEPROM, SERIAL,
1M
Program memory for the
USB processor.
No. N/A TDS1001B, TDS1002B, TDS1012B,
TDS2002B,
TDS2012B, TDS2022B
2-channel Acquisition board.
TDS2004B, TDS2014B, TDS2024B
4-channel Acquisition board.
N/A
Clear Flash Procedure This procedure does not erase or change factory calibration constants.
1. Push the front panel DEFAULT SETUP button to recall the default setup.
2. Push the front panel SAVE/RECALL button.
3. Push the Action option (side bezel) button until Save Setup is selected.
4. Push the Save To option button until Setup is selected.
5. Push the Setup option button until 1 is selected.
6. Push the Save option button to overwrite setup 1 with the default setup.
7. Push the Setup and Save option buttons again to overwrite the next setup with
the default setup. Repeat this step until setup 1 is selected again.
8. Push the front panel CH 1 MENU button, and then push the Coupling option
button until Ground is selected.
9. Push the front panel SAVE/RECALL button.
10. Push the Action option button until Save Waveform is selected. Push the
Save To option button until Ref is selected. Push the Source option button
until CH1 is selected.
11. Push the To option button until RefA is selected. Push the Save option button
to overwrite reference waveform RefA with the null waveform.
12. Push the To and the Save option buttons again to overwrite the next reference
waveform with the null waveform. Repeat this step until reference RefA
is selected again.
2 TDS1000B and TDS2000B Series Declassification and Security

Clear and Sanitize Procedures
13. Insert a USB flash drive into the USB Flash Drive port on the front of the
oscilloscope.
14. Push the front panel UTILITY button.
15. Push the Options option button.
16. Push the Printer Setup option button.
17. Push the PRINT Button option until Saves Image To File is selected.
18. Push the File Format option button until JPG is selected.
19. Remove any probes from the BNC front panel connectors.
20. Push the front panel PRINT button to overwrite the hardcopy image file with
an image that does not contain any useful information.
21. Power off the oscilloscope, and then power on the oscilloscope to complete
the process.
TDS1000B and TDS2000B Series Declassification and Security 3

Clear and Sanitize Procedures
Data Export Devices
The following table lists the data export devices in the standard instrument and
listed options.
Table 3: Data Export Devices
Type Function
User
Modifiable
Input
method Location Process to disable
USB host
port
Supports removable USB flash
drive. User storage of reference
waveforms, screen images, and
instrument setups.
Yes. Save. USB host port on
front of instrument.
Files can be deleted or overwritten on the
oscilloscope or a PC; USB flash drive can
be removed and destroyed.
The USB host port cannot be disabled.
USB
device port
Supports remote control and data
transfer to a PC.
Yes. Remote
control via
USBTMC.
USB device port on
rear of instrument.
The USB device port cannot be disabled.
4 TDS1000B and TDS2000B Series Declassification and Security