allagras,

The IR port is associated with the device (Component), not a macro step. You can change this port by clicking on the device in the device list. All commands for a given device use the same IR port.

Look carefully at the IR Library manager because you can add a new device to your library and learn the IR codes from your remote.

Use of the "Please Wait" screens is optional. It's a matter of personal style, I prefer not to use them. If you use them, distribute commands to the same device across multiple "Please Wait" screens. For example, after a POWER ON command one may need to wait a few seconds before issuing an Input select command to that device. The purpose of the "Please Wait" screens is to give the user something to watch and to show progress while waiting for commands to execute. In one extreme case I needed to wait 30 seconds.