load=1DSZ

define set1 (*.O3' or *.O4' or *.O5') 
define set2 (*.OP1 or *.OP2)
define set3{*.N? and dna}

restrict dna
select all
cpk off
pause

select set1
cpk 100
pause

select set1
cpk off
select set2
cpk 100
pause

select set2
cpk off
select set3
cpk 100
pause