42 User GuideProtecting access to instrument dataLWT instruments offer a few methods of protecting access to their data. You can set role-basedpasswords (standard and advanced users) and enable instrument write-protection (software andhardware) from the Access Control menu under the Device Setup menu.—Figure 32 The Device Setup menuFor more information on securing your instrument from unwanted access, see “Cybersecurity” onpage 5. For security reasons, it is recommended to set passwords.Setting up role-based passwordsIn LWT instruments, these passwords, comprised of six alphanumerical characters, give access toinstrument functions and features based on the password entered.To define passwords:1 Select Device Setup > Access Control > Standard Password or Advanced Password.2 Press Edit.3 In the edit window, press the Up and Down arrow keys to move right or left on the alphanumericalribbon and highlight the alphanumerical characters that you need to create the password.4 Press Next to select the highlighted character and move on to the next character to highlight.5 Repeat steps 3 and 4 until your password is complete.6 Press Next one last time, then OK to save your password or Cancel to cancel the password that youjust created.Resetting passwordsTo reset all passwords:1 Select Device Setup > Access Control > Reset Password.2 Press OK.If no passwords have been set, OK is not displayed; you can only select Back.All passwords are reset, but the rest of the configuration remains unchanged (see also “Resetting tofactory default” on page 59.