For changes, first select the menu item
with key „ “ and then confirm it with
“OK“.
In order to change, e.g. the unit, first select
by pressing key „ “ the field “Units” and
then key “OK”.
Select with the key „ “ the correct unit and
then confirm selection by pressing 2x „OK“.
Entering / changing the diameter
via button „“ , select the respective position
and activate the position with the "OK"
button.
By pressing „“ the position value is
incremented by 1. Complete with "OK" and
activate next number position.
Confirm entry by pressing „OK“.