READING FEATURES
7
7.3 PERFORMANCE
The reading performance of the DS4800 scanner depends in part on the focus position
setting.
Focus Max Code Resolution Speed
mm (mils) scans/s
F = 30 Near 0.20 (8) 800
F = 40 Medium 0.30 (12) 800
F = 60 Far 0.38 (15) 800
Focus Reading Distance
F = 30 Near 21 cm (8.3 in) - 47 cm (18.5 in) on 0.50 mm (20 mils) codes
F = 40 Medium 27 cm (10.6 in) - 68 cm (26.8 in) on 0.50 mm (20 mils) codes
F = 60 Far 40 cm (16.7 in) - 100 cm (39.4 in) on 0.50 mm (20 mils) codes
Refer to the diagrams in par. 7.4 for further details on the reading features. These diagrams
are taken on various resolution sample codes at a 25 °C ambient temperature depending on
the conditions listed under each diagram.
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