To display the saved sampling data backup file on the display unit again, update (re-create the index file) the backup information in the index file on the external storage.
You can display the backup file data using historical trend graph.
For more details on the index file, refer to the following.
19.8.3 Display Historical Data index file
For details about the setting screen, refer to the setting guide.
M.17.8.3 External File Operation - Sampling Index
Copy the sampling backup data to the "SAMP**" folder (** means the sampling group number) on external storage, and insert it into the display unit.
Enter offline mode and touch [External file operation] in the item changeover buttons.
[External file operation] screen opens. Touch [Sampling Index].
Select the external storage where the backup file is saved, and touch [Start].
In this way, the added backup file information is added to the index file in external storage as indicated in 1.