TAG MIL-BOOK 10 - Manual (Page 79)

5-22 Setup Configuration Utility (SCU)
Exit Menu
The Exit menu allows you to leave the SCU program. After finished with
your settings, you must save and exit so that the new settings can take
effect.
Save Changes and Exit saves the changes you have made and exit the
SCU program.
Discard Changes and Exit exits the SCU program without saving the
changes you have made.
Get Default Values loads factory default values for all the items.
Load Previous Values restores previous values for all the items.