11 RX *** RX+
12 – TX-
10 – *** RX-
referenced to GND; Outputs become opto-isolated and polarity sensitive when connected through the CBX
connection box. See Reference Manual for connectionmdetails.
*** do not leave floating. See Reference Manual for connection details.
Focus and Positioning
The Matrix 120 models are factory calibrated at three focus positions (45, 70 and 125 mm for WVGA models; 45, 80
and 125 mm for MP models). Using a 2.5 mm Hex key (Allen wrench), rotate the Focus
Adjustment Screw at the back of the reader to one of these three positions for your application.
CAUTION: Do not rotate the Focus Adjustment Screw beyond the focus scale limits otherwise damage can occur to
the focus mechanism.
The following tables show the reading ranges at the three focus positions for Code 128 (1D) and Data Matrix (2D) 10
mil resolution codes:
WVGA Models (Matrix 120 210-xxx)
Focus
Position
Horizontal
FOV
Reading Range (DOF)
1D 2D
45
38 mm
1.5 in
30 – 80 mm
1.2 – 3.1 in
25 – 70 mm
1.0 – 2.8 in
70
56 mm
2.2 in
60 – 125 mm
2.4 – 4.9 in
45 – 100 mm
1.8 – 3.9 in
125
95 mm
3.7 in
95 – 155 mm
3.7 – 6.1 in
65 – 120 mm
2.6 – 4.7 in
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