Head over to the App Store and download the Doorkeeper application to your iPad. Open it when ready.
Ensure you have enabled all permissions, so your iPad operates as expected.
Once you are finished with the permissions, you will be presented with an eight-digit activation code.
On your desktop computer, log in to your Rapid Global account using your Admin User email and password. Navigate to Rapid Access.
Navigate to Settings > Devices.
Click on the Activate Doorkeeper button on the top-right corner of your screen.
(if you have more than one Site/Location) Select the Location where you'd like to pair your device.
Type in the eight-digit activation code the application on the iPad shows you.