1. Download the VNC Lite application on the iPad. This app enables to create a virtual network between the Mac and the iPad.
2. Create a wireless network between your Mac and the iPad.
3. Allow screen sharing on your Mac (System Preferences> Sharing). You will have to create a password.
4. Connect the iPad via WiFi to your Mac and launch VNC Lite, then enter the connection parameters: IP address of your Mac and the password created earlier.