How to erase a device

1.

Make sure the device is electrically erasable. Some devices are not erasable; these may be programmable once, UV erasable, or over-writable – in this case the Erase button is blocked (grey out).
 

2.

If the device is electrically erasable:
a) Click the Erase button on the main toolbar or
b) Double click on the Erase function line in the Function list of the Program Manager window or
c) Select the Erase function line in the Function list of the Program Manager window and click the Execute button or

d) Select the Main menu > Commands and click on the Erase line
 
then wait for the message Erasing … OK in the Program Manager window or for the warning message if the device is not blank after erasing.