Hach-Lange SI792 D, SI792x D, SI792x D-FF, SI792x D-PA User Manual - Manual (Page 95)

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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
(
Table 27 ).
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 Table 27 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