Kramer VIA CONNECT PRO User Manual page 16

2.4.2 MacBooks and Apple Computers

Connect your Apple device to the network where the VIA Connect PRO
resides.

Click the AirPlay menu on the Apple Menu Bar. This is located in the top
right corner of the screen near the clock.

Choose the VIA Connect PRO's AirPlay device name. By default the VIA's
AirPlay device is named VIA_AirMirror_XXXX, where XXXX is a random
combination of letters and numbers.
10 VIA Connect PRO - Setting Up