Digit Masking. The navigation keypad provides a shortcut to mask (change the
number of digits displayed) the reading on the main display, easing readability.
To enable digit masking during any measurement function, press or shift ◁ or shift ▷
. DIGIT MASK will be displayed, along with a list of choices (3.5, 4.5, 5.5,
6.5 and AUTO) on the second display line. Press ◁ or ▷
or to scroll through and select one of these settings, and then press enter.