Prentke Romich Company
http://www.prentrom.com/support/article/1760
This System Lock Override tool has been added to simplify programming when System Lock it ON. By using this feature you will no longer need to turn the System Lock OFF to program the Accent 1200.
How it works:
1. You must have a USB flash drive or SD Card (both known as a removable drive) to save the file to.
2. Insert Removable Drive and go to Toolbox, to Maint Menu, to System Lock Settings.
3. Select Create System Lock Overide; you will see a yellow box that says System Lock Override successfully created on Removable Drive.
4. Select OK to the yellow box.
5. Select OK to exit the Maintenance Menu
Once the file is created and when the flash drive containing the file is plugged in, you can simply do all your programming without having to turn System Lock OFF. When programming is complete, remove the Removable Drive and the unit remains locked.
NOTE: If the removable drive is misplaced, you can still use the standard methods for turning off System Lock.