Alys, thank you for taking your time with great explanation.
Looks like it works ok. As far as I know, Function Generator is on at all times. Only way to disable it is to edit firmware source, recompile, then flash.
Interesting advice. I would do it if it was easy. I have not took the main board out yet to look at the Output connector so not sure how easy it is.
I also read another safety feature to add is a Diode to protect against grounding the Output. Few burned out their 74HC125 by connecting Fout to Input ground.
The least gtr should do is lift pin 14, 9, 6 and 2 if he doesn’t want to troubleshoot which should remove the short and not cause further damage.