Navigation & Display preferences
Navigation tab
Use this navigation tab to go back and forth between Simple table timesheet, calendar timesheet and advanced timesheet as well as navigate to documentation and settings.
Display preferences
Show or hide JQL: Toggle visibility of the JQL bar (placed below the filter).
Show or hide charts: Toggle visibility of the charts.
Display by days or by hours : Depeding on your need, you can convert to days or purely hours the data shown in the tables.