Instruction manual
MATRIX 300™ REFERENCE MANUAL
14
1
Rotate the Focusing screw on the side of the reader. 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 screw a little farther; the Current Focus Quality Bar
decreases (red) see below.
Rotate the Focusing screw in the opposite direction. The Current Focus Quality Bar
(green) increases towards the vertical optimal focus line (green) until the optimal focus is
reached; the Current Focus Quality Bar touches the vertical optimal focus line
(indicating the best focus).