8. DATA INPUT/OUTPUT
Files stored on a floppy can be deleted file by file as required.
1 Insert the floppy into the input/output device so that it is ready for
2 Press the EDIT switch on the machine operator’s panel.
3 Press function key
, then the program contents display screen
4 Press soft key
5 Press the rightmost soft key (next–menu key).
6 Enter address N.
7 Enter the number (from 1 to 9999) of the file to delete.
8 Press soft key
[DELETE] and then press soft key [DELETE].
The file specified in step 7 is deleted.
When a file is deleted, the file numbers after the deleted file are each
decremented by one. Suppose that a file numbered k was deleted. In this
case, files are renumbered as follows:
Before deletion after deletion
1 to (k>1) 1 to (k>1)
(k+1) to n k to (n>1)
Set the write protect switch to the write enable state to delete the files.
D File number after the file
D Protect switch