You manually add trend log records if a log record has been missed and you want to complete the list.
A trend log list displays all values in the trend log in a list.
In the trend log list, you can perform the following tasks:
View all the values and their time stamp.
Add and edit records, for example if you knew that some records might be wrong or are missing.
Export values as an Excel file.
Export values as an xml file.
View meter log changes.
View events.
Change the settings.
In WebStation, select the trend log list.
On the Trend Log List toolbar, click Add record .
Enter timestamp, value, and comment.
Click Add .