Old revisions Add to book Export to PDF Book Creator Add this page to your book Book Creator Remove this page from your book Manage book (0 page(s)) Help System Configuration, BioStar 2 How to add a TNA key field in the event log of Monitoring From BioStar 2.5.0, you can check TNA key column in the event log of monitoring section. Go to the Column Setting by clicking on the right side. Check TNA key in a column list. If an user check in/check out on the TNA device, you can check it though the TNA column. This column can be checked in both Event Log and Real-time Log sectors.