Hi Sam,
Auto channel naming is an exclusive feature of ME-1 when used with A&H digital mixers.
With any third party console, you can either name channels locally on each ME-1, or via the ME-U browser interface. The browser interface also lets you set the stereo links for any stereo channel, so that they only use one key when assigned to the ME-1.
To connect to the ME-U, make sure your laptop is on a static IP address compatible with the ME-U. So for example, 192.168.1.100 and subnet 255.255.255.0. If that doesn’t work, try the network reset on the ME-U, on the off chance someone changed its IP address.
Any trouble with the above, feel free to open a support ticket with your local A&H distributor or directly with our UK team at support.allen-heath.com