Motorola MS4404, MS4407 Standard Far Focus

Symbol MS4404/MS4407 Specifications 4 - 13
Standard Far Focus
The decode zone for the Far Focus Symbol MS440X is shown in Figure 4-7. Typical values are shown. Table 4-6
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 4-7 Standard Far Focus Decode Zone
In.
cm 0
20 mil
Depth of Field
18.5
510 15 20
012.7 25.4 38.1 50.8
13 mil (100% UPC)
12.0
5 mil
2.75
13.5
5.5 7.0
15 mil PDF417
0
cm W
i
d
t
h
o
f
F
i
e
l
d
0
410.2
820.3
20.3
*
*
* Minimum distance determined by symbol length and scan angle.
8
10.2
in.
Note: Typical performance at 73°F (23°C)
on high quality symbols in normal room light.
Vcc = 5.0 Vdc
7.5 mil
3.5
9.0
10 mil PDF417
5.0
9.0
MS440X
4