This is steps on how to delete a Receipt Entry that has been entered wrong. Only unprinted or unset entries can be deleted. 

Delete Button

Once you have located the entry that needs to be deleted, click on the Delete Button. 

This will bring up a message box asking if you are sure that you wish to delete the Receipt Entry. Click Ok if you are happy to continue or Cancel if you wish to return to the search. **Insert Screenshot.

Once you have clicked Ok, this will automatically reverse this transactions. 

You can now select the New  Button to enter in the correct transaction.