Northern Telecom Compact ICS 4.0 Manual page 24

12 / Getting started with Norstar
You can see if the changes you have made to telephone
UPDATE
programming have taken effect by pressing the display
key. The display shows you how many telephones have not been
updated.
DNs
Press to see the specific extensions where programming
changes have not taken effect yet. Items disappear from the list
as they are updated.
Record any changes you make in the Norstar Programming
Record. If there is a problem with the system, the installer needs
to see a history of the changes you have made. Remember to
inform people in your office of any changes you have made that
affect them. For example, you may change system speed dial
codes or change the number of rings before an unanswered
telephone is forwarded.
Compact ICS 4.0 System Coordinator Guide P0881596 Issue 02