Hach-Lange DR 6000 User Manual - Manual (Page 30)

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Standard programs
1. Press Security in the "Instrument Setup" menu.
2. In order to open the Security List, assign a password as
security administrator. Activate On and press Security
Password.
3. Enter a new security password (up to 10 characters long) via
the alphanumeric keypad, and confirm with OK.
4. Press Security List to access various functions with security
level 1 or 2.
5. Select the required function and press Setup.