Save the measured values to a table.
Create your own table and define the colums in the table.
(to define the colums use EDIT FORMAT softkey)
Program extension must be .tab
Then you can store your measurement to the table with FN28 function, read values from the table with FN27.
You must open the table before that with FN26.
With FN18/17 you can read/write information of your PRESET table.
To write to PRESET table use.
SYSWRITE DI 503 NR1 IDX1 = 123
NR is the line number, IDX 1=X column and 123 the value.