====== Cobalt ======
===== channel time =====
select channel then insert
===== wfa =====
  * W wfa time 0 : as usual
  * W wfa time 1 : wait 1 sec after the end end of the previous one and then run automatically
  * F wfa time 1 : run the next cue 1 second after the go action
  * A wfa time 1 : display the main playback in red 1 second after the go action
  *