NEC N8103-91 User Manual page 128

108
How to change setting value
On [Adapter Properties] screen, change a parameter to desired value, and then click
[Submit] at the center of the screen to determine the new value.
The status of "Battery Backup" is indicated as "Present" when N8103-94 is installed.
Clicking [Present] opens the Battery Status screen as shown below.
Notice
You cannot change values for "Auto Learn Period", "Next Learn Time", and
"Learn Delay Interval".