Locate the digital audio (S/PDIF) coax cable that currently connects your DVD player to your amplifier. Disconnect it from the back of the amplifier and plug it instead into the DIGITAL AUDIO IN socket of the DD340.
Digital audio connections to the DD340's rear panel
Using a second digital audio (S/PDIF) coax cable, plug one end into the DIGITAL AUDIO OUT socket of the DD340 and the other end into the amplifier.
Digital audio signal with DD340 (not drawn to scale)
Plug the lead from the power adaptor into the DD340 and the other end into a wall socket. The Standby light on the DD340 will come on.
That's it. The DD340 digital audio delay is now ready for action.