Datalogic Scanning QD 2300 用户手册

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页码 192
Product Reference Guide
9
Chapter 3
Operation
This chapter provides beeper and LED definitions, techniques involved in scanning bar codes, 
general instructions and tips about scanning, and decode zone diagrams.
Nomenclature
Nomenclature for physical features on the scanner is shown in 
Figure 3
.
Figure 3. Nomenclature
Scan
Window
Trigger
LED