If you're having trouble finding http://a2d2.local once you've set up your device, try the following steps:
1a. Windows PC:
Click start, and in the search box, type cmd to open 'Command Prompt'
In command prompt, type 'ping a2d2.local -4' to get the device's IP address.
1b. Mac/Linux
Open Terminal
In terminal, type 'ping a2d2.local'
2. Go to http://IP_ADDRESS - where IP_ADDRESS is the result of the ping to access your A2D2 Stream, for example http://192.168.1.100