Setting the timestamp (TTS) of inbound schedulers Select Administration > System Management. Select the Date Tracker Settings tab. Click Update TTS of the scheduler to update timestamp. A pop-up message should display. Set the time to the desired timestamp. You can also switch the Set to Null toggle to On to set timestamp to Null. Note: If the Set to Null toggle is set to on, the time fields are not enabled. Click OK to save the changes.