DS4800 REFERENCE MANUAL
7
7.1.1 Tilt Angle for Advanced Code Reconstruction
The most important parameter in Advanced Code Reconstruction is the value of the
maximum tilt angle (α maximum) under which the code reconstruction process is still
possible.
α
Laser Beam
= tilt angle
0° to
max
Figure 81 – Tilt Angle
The decoder will be able to read the label with a tilt angle between
+ α max and - α max as shown in the following figure:
Conveyor
Laser Beam
No Read
No Read
-
+
0
°
OK OK
OK OK
OK
No Read
Figure 82 – Reading Zones with α Max
NOTE
While tilt angles of 45° can be obtained, DS4800 scanners are not designed
to create omni-directional reading stations using two scanners in an
X-pattern.
78
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