I get an error when I try to compile either of these lines.

It's supposed to wait 1 second and if nothing is received then return to label 'red'

SERIN2 PortA.2,84,1000,red[("ACK")]

or

SERIN2 PortA.2,84,[1000,red("ACK")]

I'm guessing it's the way I'm writing the syntax? What should it be?

Rob