To update the USB or modem cradle for the DisplayKEY, follow the instructions below:
Important: Do not remove the DisplayKEY from the cradle for 15 minutes. The key will automatically complete three (3) syncs before it is finished. When the sync is complete then the cradle is upgraded.
1. Turn on the DisplayKEY.
2. Scroll down to MANUAL ESYNC and press enter.
3. When prompted, place the DisplayKEY on the cradle.