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Metrologic Instruments IS4813, IS4815, IS4823, IS4825 Continuous Blinky Mode , Sleep Mode

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Transmit “NO READ” Message on Laser Timeout

If the scanning cycle terminates without scanning a bar code during the cycle, a “NO READ” message is

transmitted with the termination of the scanning cycle.

Activate the LED During the “NO READ” Transmission

The LED is activated with the “NO READ” message. The LED is also activated after a successful scan.

Enable RTS “NO READ” Pulse

A configurable RTS pulse width transmitted after the “NO READ” message has been transmitted.

Detect and Notify Mode

The external I/O pin used in the default activation mode is monitored during the inactive laser cycles. An <SI>

is transmitted when the I/O is active and an <SO> when it is inactive. Once the scanning activation cycle is

started, the external I/O monitoring status is maintained until the scanning cycle is terminated regardless of the

actual I/O level.

Continuous Blinky Mode

The scanner will continuously blink on and off, turning the scanning cycle on and off for all normal scanner

operations. If a bar code is scanned and transmitted, the same symbol timeout is maintained throughout the

cycle preventing additional scans of the same bar code when the scanner is in default mode.

Sleep Mode

Sleep Mode is a power saving mode that can be configured to occur in 10-second increments.

Contents

Main Disclaimer Trademarks Patents Table of Contents Introduction Assembly Mounting Specifications Page Introduction Product Overview Models and Accessories Non-Decode Engines Options Accessories Decode Engines Components of the IS4800 Engine Series IS4813 and IS4815 Non-Decode Engine IS4823 and IS4825 (-0) Decode Engine Assembly IS4823 and IS4825 Bracketed (-1 and -2) Decode Engine Assembly Assembly IS4823-2 and IS4825-2 Item Description Qty. Mounting Specifications IS4813 and IS4815 Scan Engine Dimensions IS4823 and IS4825 Bracketed (-1 and -2) Dimensions IS4823 and IS4825 (-0) Decode Printed Circuit Board Dimensions Exit Beam Specifications Enclosure Specifications Electrostatic Discharge (ESD) Cautions Grounding Power Supply Power Sequencing Flex Cables Thermal Considerations Printed Circuit Board (PCB) Component Clearance Magnetic Sensitivity Airborne Contaminants and Foreign Materials Beam Clearance Output Window Properties Output Window Coatings Output Window Angle Page Page Scan Engine Field of View and Depth of Field Field of View Distance from Engine Face Width of Field of View Depth of Field vs. Minimum Bar Code Element Depth of Field* (In the Field of View) Descriptions of IS4823 and IS4825 Operating Modes Activation Modes Common Activation Mode Features Continuous Blinky Mode Sleep Mode Serial Configuration Mode Example 1: [ack] [nak] Enter Serial Configuration Mode Abbreviated ASCII Table Character Hex Value Decimal Value General Design Specifications Operational Mechanical Electrical IS4823 IS4825 Environmental Detailed Electrical Specifications Absolute Maximum Ratings Signal Signal Description Minimum Maximum IS4823 DC Operating Voltages Signal Signal Description Minimum Maximum Condition IS4825 DC Operating Voltages Signal Signal Description Minimum Maximum Condition Current Draw @ 25C USB TTL Signal Signal Description VIN = 3.3V VIN = 5V VIN = 3.3V VIN = 5V Scan Engine Terminations IS4813 Engine Connections IS4815 Engine Connections Decode Printed Circuit Board Terminations USB Decode PCB, 3.3V USB Decode PCB, 5V TTL, RS232, 3.3V / 5V Flex Cable Specifications and Installation Guidelines Timing Diagrams Startup Condition Timing Diagram Scan Sense Timing Diagram Bar Code Element Time Calculation Regulatory Compliance United States Canada Laser Safety EMC Europe Laser Safety Caution Atencin Attention Achtung Attenzione Limited Warranty Page Index Page Contact Information Product Service and Repair