blau_tsi, efs modification

[sams]

Hello,

could anyone help me to modify the blau_tsi(2).efs.
I would like to get a signal (maybe as yellow background) at the end of the green and red tsi-signal. And minimum of green or red tsi-signal should be 3 bars.

thanks in advance

regards
sams

[sams]

efs to my post