Security Feature - Hanna Instruments BL120 Instruction Manual

7.5. SECURITY FEATURE

The password protection feature protects against unauthorized configuration changes and logged calibration data erasure.
Once set, a series of functions cannot be subsequently modified.
This feature is represented by the lock icon displayed on the functional key or on screen title.
BL122 & BL123 offer an added password enabled security feature for the remote hold (R_HOLD) deactivation function (if
password protection has been enabled).
• Select Controller Password from General Setup screen and press Modify to activate the feature.
• A five digit password has to be entered next.
• To change the digit value, press the  keys.
• To move to the next digit, press the arrow functional key.
• Press CFM functional key to confirm.
• To disable the password, select Controller Password from General Setup screen, enter the password and press CFM
functional key. After the correct passwored has been entered, press Disable.
Note: After five failed login attempts, the controller will require a master password. The master password can only be
obtained from Hanna Instruments Service. To issue the master password, Hanna Service will request the user code displayed
at the top of the screen.
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