@property<EOL><INDENT>def digits(self):<DEDENT>
return self._digits<EOL>
The number of digits used by the DigitWord used in this mode; e.g. a value of 3 would
indicate there are three digits (e.g. 1, 2, and 3), while a value of 5 would indicate
five values (e.g. 0, 1, 2, 3, 4).

:return: <int>