Clicking the 'New' button inside the counter administration interface will open the 'Counter form' window, which consists of the form for entering a new counter.
The form consists of the following fields:
At the bottom of the window there are three buttons: 'Save' to save the entered data and insert a new counter, 'Cancel' to discard, and 'Delete', which is not active because data that has not yet been entered cannot be deleted.