Acnodes OPC 8190 - Manual (Page 63)

Use this item to abandon all changes.
 Load Optimal Defaults
It automatically sets all Setup options to a complete set of
default settings when you select this option. The Optimal
settings are designed for maximum system performance, but
may not work best for all computer applications. In particular,
do not use the Optimal Setup options if your computer is
experiencing system configuration problems. Select Load
Optimal Defaults from the Exit menu and press .
 Load Fail-Safe Defaults
It automatically sets all Setup options to a complete set of
default settings when you select this option. The Fail-Safe
settings are designed for maximum system stability, but not
maximum performance. Select the Fail-Safe Setup options if
your computer is experiencing system configuration
problems.
Select Load Fail-Safe Defaults from the Exit menu and press
. Select Ok to load Fail-Safe defaults.