-Tune to that channel
-Open vPlug’s editor
-Go to SID's menù
-Right click on the sids list.
-From the appeared menu select "Find current channel".
Now you will find the corresponding record of the current channel. Edit it and enter your DCW keys.
You can enter BISS keys as a constant DCW too and you can enter it from the quick constant dcw menu. (right click on the CA-Info of vPlug monitor…, simple and easy) but the key is not stored.