The capacity of the backup memory (SRAM) that
you can use for backing up internal device data depends on the type
of display unit and the space used by other data. For details about
backup memory (SRAM), please see the following.
2.3 About the Display
Unit's Internal Data
To check the backup memory (SRAM) usage, from
the [Project (F)] menu, point to [Information (I)], select [Project
Information (I)], and then select [SRAM Information].