Casio DT-X5 Series Hardware Manual page 25

Basic scanning conditions:
Test chart
Resolution
PCS
Read judgment
Depth
Pitch angle
Skew angle
Tilt angle
Surrounding temperature
Surrounding humidity
Surrounding illumination
Background of the symbol
Conditional Judgment
C: Max. readable digits
B: Recommended readable digits
A: Max. readable digits (in close)
: Dedicated test pattern (1D, 2D Stacked)
: 1D 0.25 mm / 2D 0.5 mm
: 0.9 or greater
: 7 times per 10 scans First Decode
: 110 mm from the LED emission port
: α = 0 degree
: β = 10 degree
: γ = 0 degree
: 25 ºC
: 30 to 50%
: 450 to 550 Lux.
: White
: Readable 7 times or more per 10 scanning
L R
F
n
1 2 3
4 5 6
7 8 9
0
C L R
F 1 F 2 F 3 F 4
F 5 F 6 F 7 F 8
25
20 mm or more
50 mm or more
Readable range
Fig. 2.2
Far
Near