Appendix c passcode editor – Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual User Manual
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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 (
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 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