Symbol DS 3408, Product Reference Manual

Page: 35 / 406

Scanning 2 - 13
DS3408 HD/DPM Far Focus
Figure 2-11
DS3408 HD/DPM Far Focus Decode Zone
In.
cm
0
20 mil
Depth of Field
15.0
5 10 15
0 12.7 25.4
38.1
13 mil (100% UPC)
10.7
5 mil
3.0 11.0
4.0
7.5
15 mil PDF417
0
cm
W
i
d
t
h
o
f
F
i
e
l
d
0
4 10.2
8
20.3
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 = 3.3V
7.5 mil
3.2 9.5
10 mil PDF417
4.3
9.5
4
Top of
imager
6.67mil PDF417
4.5
7.6
20 mil Dot Peen (DPM Version Only)
2.6 5.3