Lady Heather can only talk to one device at a time, but you can fire up multiple copies of Lady Heather to control multiple devices. You would need to specify a different serial port to use on the second instance's command line. Version 5.0 will let you swap serial ports and receiver type on the fly using the "/" keyboard command that sets what are normally command line only values from the keyboard. I think you can swap serial ports on earlier versions, but it may not always work. --------------- > I'm confused here, LH can be connected to only one TB at any one time (depending on command line options).