Parameter 2002 of GSK983Ta-H

Q: I have a problem with gsk control 983Ta-H, I have already connected the motors of axes
but my problem is in the turret, my turret is 12 tools and I can not change the parameter
2002, I can not change it to any number, This parameter only has 0000.
and change the parameters 3001, 3004, 1018 and 1019,
my problem is in 2002 that I can not edit.
A: Please turn on the parameter setting switch, and enable the program switch by the key on the operation panel.