Liquisys M CPM223/253
Operation
Hauser
31
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 unauthorised 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.