IAI America SEL-TG - Manual (Page 171)

10. Position Edit
153
10.5. Deletion of position data
The following operating instructions are to delete the position data.
Select the F1 (Edit) key on the Mode Selection
screen.
Select the F1 (Posi) key.
Select the F4 (Clr) key.
Enter the first No. and the last No. of the position
data to delete with the 10 key and press the return
key.
When deleting the selected position data, press the
F3 (Clr) key.
When deleting the data for all positions (No. 1
through No. 3000), press the F4(AClr) key.
The execution confirmation screen will be displayed.
To clear the position data, press the F1 (Yes) key. If
not, press the F2 (No) key.
Press the ESC key to return to the previous screen.
When writing the data in Flash ROM, press the ESC
key several times to return to the Flsh screen.
First No. of position No. to delete
Last No.