Instruction manual

MATRIX 400™ QUICK GUIDE
13
5. Press the "Fine Focusing" button to activate the Fine Focusing Tool.
The reader continuously acquires images and gives visual feedback on the focusing quality in the Focusing
Tool window.
Rotate the Focusing ring on the lens. The Current Focus Quality Bar (green) together with the vertical optimal
focus line (green) increase together until the optimal focus is reached; the vertical optimal focus line stops.
Continue rotating the Focusing ring on the lens a little farther; the Current Focus Quality Bar decreases
(red) see below.