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In the above case, the zone where the scan line is perpendicular to the reflecting surface corresponds to a neutral
zone at the center of the reading field.
The mirror can be deflected up to 40°. Oscillation with respect to the output window median axis is asymmetrical
(see figure below).
By configuring the oscillating speed up to the maximum value of 19 Hz, raster emulation can be performed for
reading fast moving objects.
By limiting the raster width to the minimum necessary, the number of scans on the reading
surface is increased.
NOTE
Oscillating angles are selected in software where the
minimum and maximum angles correspond to –2.5° and
+37.5°.
The scanner can be tilted in order for the 17.5° software
setting to correspond with the 0° horizontal plane.
These models provide higher scanning speed (1200 scans/sec) compared to standard models and the reading
performance is not adversely effected by the oscillating mirror.
The example represents the selection of an angle of
+10° for the bottom line and an angle of +20° for the top
line (see figure beside).
24
40°
Oscillating Mirror Maximum Aperture and Asymmetry
Hz
Max. Aperture
0-5
6-10
11-15
16-19
DS6500 OSCILLATING MIRROR MODEL
40°
30°
20°
10°
Oscillating Mirror Extreme Angle Positions
Oscillating Mode
0°
+37.5°
+17.5°
-2.5°
+37.5°
+27.5°
+17.5°
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