Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual - Manual (Page 99)

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Appendix C Passcode editor
For applications requiring compliance to FDA 21 CFR Part 11, certain
device functions must be protected with passcodes. Passcodes can be
changed in the passcode editor. If passcode protection is not required,
use the preset passcodes (
Table 20 ).
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 20 for default passcodes.
Table 20 Default passcode settings
Display Function Default setting
Cal INFO Calibration information 0000
CAL CELL Calibration mode for si792x C-PA 1100
CAL SOL Calibration with standard solution 0110 1
CAL PROD Product calibration 1105 1
CAL RTD Temperature sensor adjustment 1015
CFG ERR Error information 0000
CFG CONF Configuration mode 1200
CFG SNSR MO Sensor 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