
MAN0964-14-EN_XL4_XL4P_UM
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If a directory name is highlighted, pressing Enter will switch to that directory showing its files
and sub-directories. In a sub-directory, highlighting .. (dot dot) and pressing Enter will move up
one directory.
Fail
–
Safe System
The Fail-Safe System is a set of features that allow an application to continue running in the
event of certain types of "soft" failures. These "soft" failures include:
•
Battery power loss
•
Battery-Backed Register RAM or Application Flash corruption due to, for example, an
excessive EMI, Electromagnetic Interference, event.
Selecting “Fail
-
Safe System” menu will open the following menu screen:
Selecting Backup/Restore Data displays the following screen in:
Backup
= Copies battery-backed RAM contents on to the onboard flash memory of
the OCS.
Restore
= Copies the backed-up data from onboard flash to the battery-backed RAM.
Clear Backup = The backup data will be erased from the onboard flash.
Exit
= Goes back to previous menu