How to program the Programmable (Prog) button.

You can use the following functions by pressing for a fraction of a second the Prog button simultaneously with (+) the buttons listed below:

Tab = “Prog” and “ *”
Backspace (Default) = “ Prog” and “ /”
Space = “Prog” and “ 7”
Percentage (%) = “Prog” and “ 8”
Euro sign (€) = “Prog” and “ 9”