Simicon

How do I assign a window to a simicon? I copied an FMC simicon from one panel and put it on another and need that simicon to pull the FMC window for this panel.
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=16&t=37011