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TABLE OF CONTENTS
INTRODUCTION
Product Overview ............................................................................................. 1
Applications and Protocols ............................................................................... 2
Scanner and Accessories ................................................................................. 3
Basic Kit Components ................................................................................... 3
Optional Accessories .................................................................................... 3
7820 Scanner Design Specifications ................................................................ 7
BASE MODEL CHARACTERISTICS
7820 Scanner ................................................................................................... 9
Components .................................................................................................. 9
Dimensions ................................................................................................. 10
Connector Panel ......................................................................................... 10
Caution and Serial Number Label ............................................................... 11
INSTALLATION
Cable Installation (Interface Specific) ............................................................. 12
Keyboard Wedge ........................................................................................ 12
USB ............................................................................................................. 13
RS232 ......................................................................................................... 14
RS485 ......................................................................................................... 15
Cable Installation (Secondary Metrologic Scanner) ....................................... 16
EAS Deactivation ............................................................................................ 19
Flex Stand Installation, PN 46-00868 ............................................................. 20
Wall Mount Stand Installation, PN 46-00869 .................................................. 23
SCANNER OPERATION
Scan Zone ...................................................................................................... 27
Depth of Field by Minimum Bar Code Element Width .................................... 28
Indicator Descriptions ..................................................................................... 32
Audible ........................................................................................................ 32
Visual .......................................................................................................... 33
Failure Modes ............................................................................................. 34
Diagnostic Indicator Display ........................................................................ 35
Power Save Modes ......................................................................................... 36
Touch Button Panel ........................................................................................ 37
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