Thermo Fisher Scientific Alpha pH 190 (In the process of updating the brand guideline & product image) - Manual (Page 15)

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5 PASSWORD
The Setup mode is to be accessed by entering a password code.
The direct accessed Set Point adjustment mode (SP1 and SP2) and
the Calibration mode can also be accessed through this password
code procedure.
The Alpha pH 190 controller features two separate passwords:
•
pH (or ORP) calibration mode and temperature offset
password = 011
•
Setup program password = 022
To enter the password:
1. Press the MODE key, and within 1 second, press the
CAL/ENTER key. The display reads P.WRD.
2. Press ENTER again. The display reads “P.000”. The first “0”
flashes.
3. Press ENTER again to leave the first digit “0” and to scroll to
the next number.
4. Press the ▲or ▼keys to change the second digit to the
desired password number (1 or 2). Press ENTER.
5. Press the ▲or ▼keys to change the second digit to the correct
password number (1 or 2). Press ENTER. The display flashes
the password that has been entered.
NOTE: If you enter an incorrect digit, press MODE to step
backward.
6. Press ENTER again. You are now in Calibration mode or Setup
mode, depending on password entered.
NOTE: In the Password Entry mode, if there is no key-press for
more than 30 seconds, Controller will automatically revert to
measurement mode.