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TABLE OF CONTENTS 
Introduction 
Theory of Operation...............................................................................1 
Accessories........................................................................................... 2 
Components of the ScanQuest Engine.................................................3 
Label Locations .....................................................................................4 
Maintenance..........................................................................................4 
IR Sensor Activation..................................................................................5 
Applications and Protocols........................................................................5 
Design Specifications 
Operational............................................................................................6 
Maintenance..........................................................................................6 
Mechanical ............................................................................................7 
Electrical................................................................................................7 
Specifications for the Supplemental Window........................................8 
Default Settings 
IS4125 Communication Parameters..................................................... 9 
Scanner Terminations 
IS4125-17 Connector Pin Assignments.............................................. 15 
IS4125-38 Connector Pin Assignments.............................................. 16 
IS4125-41 Connector Pin Assignments.............................................. 17 
IS4125-103 Connector Pin Assignments............................................ 18 
IS4110 Connector Pin Assignments....................................................19 
Scan Sense Timing 
IS4110 Timing Diagram.......................................................................20 
Regulatory Requirements and Warnings 
Regulatory Requirements....................................................................21 
Europe.................................................................................................22 
United States.......................................................................................23