From the Troubleshooting Manual…
The remote could be set to the wrong system code. To reset the remote control to the default system code point the remote at the NaimUniti and press the following buttons at the same time: aux, Info (i) and disp.
The remote control interferes with another product/Uniti responds to another product’s remote control
• The NaimUniti remote control can be configured to work on a different remote control channel if the default channel clashes with another product’s remote control. To change the control channel point the remote at the NaimUniti and press the following buttons at the same time: aux, info (i) and one of the following:
o Disp(thisisthedefaultsetting)oroneofthealternatechannels:1,2,3, 4, 5, 6, 7, 8, 9 or 0