Thermo Fisher Scientific Alpha pH 200 (In the process of updating the brand guideline & product image) - Manual (Page 19)

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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.