Epson MR Series Technical Reference Manual page 130

While the setting is being transferred, the dialog box indicating the situation is displayed. While
the key lock setting file is being transferred, the following is displayed:
Writing Configuration #dd-d ...
where "dd" is the key number, and "d" is the number of retry times up to six.
While the setting file for this utility is being transferred, the following is displayed:
Writing Configuration 0xhh-d ...
where "hh" is the character code when the MSR character conversion setting is in transfer or the
system conversion area is offset in hexadecimal in any other case, and "d" is the number of retry
times up to six.
Note:
This utility is available only with an English message.
There is no keyboard or mouse response during reading or writing of settings.
Do not perform any operation that may cause interruption, such as tapping on the touch panel, during
reading or writing of settings.
4-80 OS and Drivers Rev. I