Motorola MS4404, MS4407 Decode Zones

Symbol MS4404/MS4407 Specifications 4 - 11
Decode Zones
Standard Near Focus
The decode zone for the Near Focus Symbol MS440X is shown in Figure 4-6. Typical values are shown. T able 4-5
lists the typical and guaranteed distances for selected bar code densities. The minimum element width (or “symbol
density”) is the width in mils of the narrowest element (bar or space) in the symbol.
Figure 4-6 Standard Near Focus Decode Zone
In.
cm 0
20 mil
Depth of Field
9.5
2468
10
05.1 10.2 15.2 20.3 25.4
13 mil (100% UPC)
7.0
5 mil
2.0
7.0
2.7 5.5
15 mil PDF417
0
cm
W
i
d
t
h
o
f
F
i
e
l
d
0
1.75 4.4
3.5 8.9
8.9
*
*
* Minimum distance determined by symbol length and scan angle.
1.75
3.5
4.4
in.
Note: Typical performance at 73°F (23°C)
on high quality symbols in normal room light.
Vcc = 5.0 Vdc
7.5 mil
2.2
6.0
6.67 mil PDF417
3.0
5.25
10 mil PDF417
3.0
6.0
MS440X