Appendix a passcode editor – Hach-Lange SI792 D, SI792x D, SI792x D-FF, SI792x D-PA User Manual User Manual
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Appendix A Passcode editor
For applications requiring compliance with FDA 21 CFR Part 11, certain
device functions must be protected with editable passcodes. If
passcode protection is not required, use the preset passcodes
(
).
To activate the passcode editor:
1. Press CONF.
2. Enter 1989, the administrator passcode. The initial screen will show
for approximately 3 seconds, then proceed to the next function.
3. Use the ARROW keys to change the passcode.
4. Press ENTER to proceed to the next function. Press CONF to exit
the passcode editor. Refer to
for default passcodes.
Table 27 Default passcode settings
Display
Function
Default setting
Cal INFO
Calibration information
0000
CAL 0-CAL
Calibration zero
1001
CAL CAL
Calibration Saturation/Concentration
1100
CAL PROD
Product calibration
1105
CAL RTD
Temperature sensor adjustment
1015
CFG ERR
Error information
0000
CFG CONF
Configuration
1200
CFG SNSR MO Probe monitor
2222
CFG OUT
Current source
5555
CFG SPCL ST
Administrator passcode. Use
ARROW
keys to
select NO or YES
1989
NO SPCL ST
Do not change
administrator passcode
Press
ENTER
to return to the default
passcode
Press
CONF
to exit the editor
YES SPCL ST
Change administrator
passcode
Press
ENTER
to accept the new
passcode
Press
CONF
to exit the editor