Thank you for trying, I was able to figure it out by watching one of the old reviews on Youtube. I believe the issue was communication since your staff is from China? Your replies nor the software instructions were not clear. What you should explain better is that when you create a second activity using the same device that you do NOT unselect the previous source list and then select the new source, but instead you choose the second source input while leaving the first source still chosen as you will be prompted to be able to choose which source you want for the second activity. This is a bit confusing as many people would think that after you create the first activity, that when you create the second activity, that you are doing a new process where you would uncheck the first source and replace it with the new source. You need to change your software explanation to be more clear and/or provide a printed manual that shows the correct process of adding multiple activities from one device such as a pre-amp audio video processor as I have never encountered a situation where you are expecting to leave multiple items chosen. This is rather strange logic. I still have an issue but will create a new post to keep it separate now that I was finally able to have the remote operate three different activities correctly.