Clear and Sanitize Procedures
Table 2: Nonvolatile Memory Devices (cont.)
Type and
minimum size
Function
User
modi
fi
able
1
Data input
method
Location
To clear
To sanitize
2
Real Time Clock
Stores time set by
user
Yes
UI
Main board
Set to GMT
Set to GMT
Serial EPROM
Diagnostic logs,
Main board Pix
Mon calibration,
and factory only
Looping diagnostic
mode control
No
Programmed by
software during
calibration and
diagnostics
Main board
Diagnostic Log
Procedure
Recalibrate Pix mon
to overwrite existing
values.
Remove the Main board;
see the product service
manual for removal
instructions. Store the
removed board in a
secure area or destroy
it. Contact Tektronix for
board replacement and
adjustment
Serial Flash
Future expansion
No
Tested on
power up
Not used
Main board
None
Remove the Main board;
see the product service
manual for removal
instructions. Store the
removed board in a
secure area or destroy
it. Contact Tektronix for
board replacement and
adjustment
Serial EEPROM
MAC address
No
Set at factory
Main board
None
Remove the Main board;
see the product service
manual for removal
instructions. Store the
removed board in a
secure area or destroy
it. Contact Tektronix for
board replacement and
adjustment
1
During normal instrument operation.
2
Before you remove any module or board for the purpose of sanitizing the instrument, please contact your local Tektronix Customer Service Center to check on
the availability and cost of replacement parts.
Clear Presets Procedure
1.
Press and hold the
PRESET
button to display the preset con
fi
guration menu.
Then select
Recall Preset
>
Factory Preset
>
SEL
. This restores the presets
to the factory state.
2.
Press and hold the
PRESET
button. Then select
Save Preset
>
Select Group
A
. For all presets that are not empty “<e>”, select
Save
and then press
SEL
to overwrite that preset with the factory settings.
3.
Check each group and overwrite presets that are not empty as described in
the previous step.
4.
Navigate to the top level menu and select
Rename Preset
. Rename all named
groups and presets with the label “Default”.
4
1741C Declassi
fi
cation and Security
