Operability Liquisys M CPM223/253
32 Endress+Hauser
AUTO key
You can use the AUTO key to switch between automatic mode and
manual mode.
Escape function
If you press the PLUS and MINUS key simultaneously, you return to
the main menu or are taken to the end of calibration if calibrating. If
you press the PLUS and MINUS key again, you return to the
measuring mode.
Locking the keyboard
Press the PLUS and ENTER key for at least 3 s to lock the keyboard
against any unauthorized data entry. All the settings can continue to
be read.
The code prompt displays the code 9999.
Unlocking the keyboard
Press the CAL and MINUS key for at least 3 s to unlock the keyboard.
The code prompt displays the code 0.