Hach-Lange SI792 P, SI792x P, SI792x P-FF, SI792x P-PA User Manual - Manual (Page 105)

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Appendix B 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 34 ).
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 34 for default passcodes.
Table 34 Default passcode settings
Display Function Default setting
Cal INFO Calibration information 0000
CAL 0-CAL Calibration zero
1001 (not for
si792x P-PA)
CAL CAL Calibration 1100
CAL PROD Product calibration
1105 (not for
si792x P-PA)
CAL RTD Temperature probe adjustment 1015
CFG ERR Error information 0000
CFG CONF Configuration 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