NEC US40a User Manual page 61

About US40a 41
Discard Changes
Select this item not to save newly selected information in CMOS.
When you press Enter, [Discard changes?] screen appears. If you select [Ok], SETUP returns to the
Exit menu without saving the newly selected information.
Select [Cancel] to return to the Exit menu screen with the information unchanged.
Load Optimal Defaults
Select this item to return all SETUP values to their defaults (or shipping defaults). If you select
[Load Setup Defaults] and [Ok], the default values are restored.
If you select [Cancel], the screen returns to the Exit menu.