Watson-Marlow Qdos30 - Manual (Page 46)

Watson-Marlow qdos30 PROFIBUS Pump User Manual 46
settings, or entry to the menu.
Once a correct PIN has been entered, all settings can be changed. PIN protection will
turn back on automatically after 20 seconds of no keypad activity.
To define a four digit number for your PIN, use +/- to select each digit from 0-9.
Once you have the required digit press the NEXT DIGIT key. After selecting the
fourth digit press ENTER.