10.6.
Bika Settings
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Bika settings define default values for the Bika LIMS installation. System wide preferences are set here by the lab manager or system administrator

Click on bika settings for the settings screen to open:
System defaults

Bika settings
Password lifetime defines the number of days before users’ passwords expire, requiring them to renew their passwords. A zero value implies passwords do not expire
Automatic log-off defines the number of minutes of inactivity before the system automatically logs the user off. A zero value implies automatic log-off is disabled
Member discount defines the discount percentage that is applied to members. In the client set-up, lab managers may set clients up as a member of the discount group
VAT % is the Value Added Tax percentage to be applied to services and products. The VAT may be changed per individual service, but this value sets the system default
Bika LIMS generates sequential serial numbers as new objects are created, e.g. analysis requests, worksheets and orders. The prefixes and formats for these serial numbers are defined in the Prefixes list
The prefix may include special characters, typically ‘XX-‘, and a certain length of the string to be used, A typical AR number, as shown in the screen shot above, would be AR-00001
Click on [Save] to save your changes.