Panasonic FP7 Series Command Reference Manual page 756

14.26 ESSET (Conversion: Character Constant → ASCII Code: With Storage
Area Size)
■
Flag operations
Name
SR7
SR8
(ER)
14-106
Description
To be set in the case of out-of-range in indirect access (index modification).
To be set when securing a storage area large enough to store the area starting with D
causes the size to be out of the accessible range.
To be set when 0 or 65535 is set for S1.
To be set when the number of characters is larger than the storage area size.
WUME-FP7CPUPGR-12