I haven't solved my problem but have found an acceptable workaround, the gsystem has 18 footswitches some of which can be reassigned from their factory default, i have 2 of these switches that i'm not using, so i have assigned 1 of them to send out a CC message and set the mod to go into bypass when i press that footswitch on the G. I can save a preset in the g that has that switch set to the off position so that any preset i have saved in that way transmits the 'go into bypass mode' message when i select it. It has solved my problem but it would have been nice if i hadn't had to come up with this workaround, but these things keep the brain ticking, thanx for your input, dennis