Watson-Marlow 630 U Installation, Operating And Maintenance Manual page 137

Note: Once Security Settings for User 1 and User 2 have been set by the Master, only the Master PIN will
allow access to Security Settings.
The HOME screen will be displayed. A PIN is now required to access all functionality. The Master PIN
accesses all pump functionality and the User 1 and User 2 PINs access only the defined functionality. To
enter the PIN, use the ∧ /∨ keys 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.
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