You can connect Dolby Dimension in a couple of ways.
If Dolby Dimension is on the Power Base, just pick it up. It will wake up and the Source Lights will cycle. Simply press the Source Button for the desired Source Device.
If Dolby Dimension is not on the Power Base but in sleep mode, press a Source Button to wake Dolby Dimension. Connection to the paired device will happen automatically.
If Dolby Dimension is powered off, press and hold the Power/Sleep button for 3 seconds to power it on. Once ready, the Source Lights will cycle. Press the Source Button for the desired Source Device.