Thermo Fisher Scientific Alpha pH 190 (In the process of updating the brand guideline & product image) - Manual (Page 23)

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9 SETUP MODE
9.1 General Information
IMPORTANT: When Setup mode is entered, the controller
automatically goes into a “HOLD” mode where the 4-20 mA output
freezes and the relays are de-activated (if it was in an activated
condition). Upon return to the measurement mode, both the 4-20mA
output and relay activities resume, depending on the settings.
To enter setup mode:
1. Key in the password “022” using the method described in
section 5.
2. Press the ▲ or ▼ keys to display the various sub-menus
shown here.
3. When a sub-menu item is displayed, press the ENTER key to
enter that sub-menu.
4. Press ▲ and ▼ keys together (ESCAPE) to leave the Setup
mode and return to Measurement mode.
P1.0
P3.0 P4.0
P5.0
P6.0
P2.0