Standard Far Focus - Motorola Symbol MS4404 Integration Manual

Standard Far Focus

The decode zone for the Far Focus Symbol MS440X is shown in
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.
Note: Typical performance at 73°F (23°C)
on high quality symbols in normal room light.
Vcc = 5.0 Vdc
MS440X
5 mil
5.5
7.5 mil
3.5
10 mil PDF417
5.0
13 mil (100% UPC)
2.75
15 mil PDF417
*
*
5
0
In.
cm 0 12.7
* Minimum distance determined by symbol length and scan angle.
Standard Far Focus Decode Zone
Figure 4-7
7.0
12.0
20 mil
18.5
10 15 20
38.1
25.4 50.8
Depth of Field
Symbol MS4404/MS4407 Specifications 4 - 13
Figure 4-7. Typical values are shown.
W
in. cm
i
8 20.3
d
t
h
10.2
4
o
0
0
f
F
4 10.2
i
e
8 20.3
l
d
Table 4-6