Ti-84 Intervalometer Fuji HS20EXR

Hello!

I've seen a lot about using the Ti-84 as an intervalometer with the Cannon models, i was curious if anyone has had any luck doing the same with Fuji's.  I have an HS20EXR and would love to start making time-lapse videos, but I can't seem to figure out how to get the calculator to sub for an intervalometer.  I've tried making the program and using the 2.5mm connects, but to no avail. Has anyone tried a technique using the usb ports on the HS20exr and the Ti-84?  Is this even possible with my camera? 

Thanks!

-Trevor