InfoComm 2019: ATEN Demos VM3200 Matrix Switch and VK0100 Control KeypadJune 19, 2019 | Home / June 19, 2019 rave-video / InfoComm 2019: ATEN Demos VM3200 Matrix Switch and VK0100 Control Keypad InfoComm 2019: ATEN Demos VM3200 Matrix Switch and VK0100 Control Keypad