Tektronix THS3014 Instrucciones de instalación y mantenimiento

THS3000 Series Oscilloscopes

Declassiﬁcation and Security

ZZZ

Instructions

www.tektronix.com

*P077060500*

077-0605-00

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Contacting Tektronix

Tektronix, Inc.

14150 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

In North America, call 1-800-833-9200.

Worldwide, visit www.tektronix.com to ﬁnd contacts in your area.

Clear and Sanitize Procedures

If you have data security concerns, this document helps you to sanitize memory

devices in the THS3000 Series Oscilloscopes.

If you have any questions, contact the Tektronix Technical Support Center at

http://www.tektronix.com/support.

Products

The following Tektronix products are covered by this document:

THS3014

THS3024

Terms

The following terms may be used in this document:

Clear. This eradicates 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 device. A device that is used to store or export

data from the instrument, such as a USB port/USB ﬂash drive.

Sanitize. This removes the data from media/memory so that the data cannot

be recovered using any known technology. This is typically used when the

device will be moved (temporarily or permanently) from a secured area to a

nonsecured area.

Scrub. This is equivalent to sanitize.

Remove. This is a physical means to clear the data by removing the memory

device from the instrument. Instructions are available in the product service

manual.

User Accessible. User is able to directly retrieve the memory device contents.

User-Modiﬁable. The memory device can be written to by the user during

normal instrument operation, using the instrument user interface or remote

control.

Volatile memory. Data is lost when the instrument is powered off.

Nonvolatile memory. Data is retained when the instrument is powered off.

Power off. Some instruments have a “Standby” mode, in which power is

still supplied to the instrument. For the purpose of clearing data, putting the

THS3000 Series Oscilloscopes Declassiﬁcation and Security Instructions 1

Clear and Sanitize Procedures

instrument in Standby mode does not qualify as powering off. For these

products, you must either press a rear-panel OFF switch or remove the power

source from the instrument.

Instrument Declassiﬁcation. A term that refers to procedures that must be

undertaken before an instrument can be removed from a secure environment.

Declassiﬁcation procedures include memory sanitization and memory

removal, and sometimes both.

Memory Devices

The following table lists the volatile and nonvolatile memory devices in the

oscilloscopes.

Table 1: Memory Devices

Reference

designator Description Use

D4000 Controller “Spider” Contains a mask ROM 4k x 32 with a initial program with the operating

code for the oscilloscope and a RAM 1k x 32 to temporarily store stack

values for computing actions.

D4001 1x4MbSRAM.SRAMmemory Used to store the actual screen and oscilloscope setup, and saved screens

and oscilloscope setups.

D5000, D5002 2 x 32 Mb Flash EEPROM Non-volatile memory used to store operating code (oscilloscope ﬁrmware)

for the product, and to store calibration constants.

D5001, D5003 2 x 8 Mb SRAM SRAM memory used to store the actual screen and oscilloscope setup,

and saved screens and oscilloscope setups.

Memory Erasure

The operating code (instrument ﬁrmware)storedinD5000andD5002canbe

read and loaded using dedicated remote interface commands only available for

internal use by Tektronix.

Calibration constants stored in D5000 and D5002 can be read using special remote

interface commands only available for internal use by Tektronix. The calibration

constants are generated when the oscilloscope is sent through its calibration

process and are fundamental to the oscilloscope operation.

The saved screens and oscilloscope setups can be cleared from the oscilloscope by

using the following procedure:

1. Press the Save button.

2. Press F4 – FILE OPTIONS.

3. Select DELETE with the up/down arrow keys.

4. Press the Enter button.

2 THS3000 Series Oscilloscopes Declassiﬁcation and Security Instructions

Clear and Sanitize Procedures

5. Press F2 – SELECTALL.

6. Press the Enter button.

7. Press F4 – YES to conﬁrm the Clear action.

To clear all data stored in SRAM, disconnect the oscilloscope from all voltage

sources, open the battery door at the rear panel, and lift the battery out of the

instrument. Replace the battery after 10 minutes.

THS3000 Series Oscilloscopes Declassiﬁcation and Security Instructions 3

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