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3-3
Scanning
Hold at an Angle
Do not hold the scanner directly over the bar code. Laser light reflecting directly
back into the scanner from the bar code is known as specular reflection. This
strong light can “blind” the scanner and make decoding difficult. The area
where specular reflection occurs is known as a “dead zone.”
You can tilt the scanner up to 65° forward or back and still achieve a successful
decode. Simple practice quickly shows what tolerances to work within.
Figure 3-1. Maximum Tilt Angles and Dead Zone
Содержание LS 4071
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Страница 3: ...LS 4071 Product Reference Guide 70 19303 02 Revision A December 1999...
Страница 8: ...vi Appendix A UCC EAN 128 A 2 AIM Code Identifiers A 4 Appendix B Glossary Index...
Страница 14: ...xii LS 4071 Product Reference Guide...
Страница 18: ...1 4 LS 4071 Product Reference Guide...
Страница 26: ...2 8 LS 4071 Product Reference Guide...
Страница 119: ...5 75 Parameter Menus Transmit Code ID Character Cont d SYMBOL CODE ID CHARACTER AIM CODE ID CHARACTER NONE...
Страница 123: ...5 79 Parameter Menus Scan Data Transmission Format Cont d PREFIX DATA PREFIX DATA SUFFIX ENTER DATA FORMAT CANCEL...
Страница 126: ...5 82 LS 4071 Product Reference Guide RS 232C Parameters Baud Rate BAUD RATE 4800 BAUD RATE 9600 BAUD RATE 19 200...
Страница 143: ...5 99 Parameter Menus Numeric Bar Codes Cont d 4 5 6 7...
Страница 158: ...A 14 LS 4071 Product Reference Guide...
Страница 164: ...B 6 LS 4071 Product Reference Guide...