Unitech MS851

Rugged Handheld Laser Scanner
- MS851 -
User's Manual
Version 0.1

Unitech MS851 Specifications

General

Scan Engine	1D Laser
Scanning Speed	100 scans per second
Protection	IP42
Resolution	4 mil
Type	Handheld Scanner
Connectivity	USB, RS232, Keyboard Wedge
Supported Barcode Types	UPC/EAN, Code 39, Code 128, Interleaved 2 of 5, Codabar, MSI
Drop Specification	1.5 m
Operating Temperature	0°C to 50°C
Storage Temperature	-40°C to 60°C
Humidity	5% to 95% (non-condensing)

Summary

Change Log

About This Manual

Regulatory Compliance Statements

FCC Warning Statement

Details warnings and compliance requirements for radio frequency interference.

FCC Label Statement

RF Radiation Exposure Statement

Canadian Compliance Statement

European Conformity Statement

CE RF Exposure Compliance

CE Mark Warning

RoHS Statement

Waste Electrical and Electronic Equipment (WEEE)

Taiwan NCC Warning Statement

Laser Information

LED Information

Battery Notice

Battery Safety and Charging Notices

Risk of Explosion and Disposal

Warnings about incorrect battery replacement and proper disposal procedures.

Battery Charging Temperature

Precautions for charging batteries within the optimal temperature range (0°C to 40°C).

Connector Contamination Warning

Caution to keep connectors clean to prevent communication or short circuit issues.

Storage and Safety Notice

Product Operation and Storage Temperature Conditions

Adapter Notice

Hearing Damage Warning

Worldwide Support

Contact Information by Region

Provides contact details (phone, email, website) for Unitech support in various global regions.

Warranty Policy

Chapter 1 - Overview

1.1 Package Contents

Lists the standard items included in the MS851 gift box.

1.2 Product Detail

1.3 Specifications

1.4 Getting Started

1.5 LED Indicator Beeper Sequence

Chapter 2 - Command Settings

2.1 General Settings

Procedures for restoring factory defaults and displaying firmware version.

2.2 USB Device Type

2.3 Scan Mode

2.4 Beeps & Volume

2.4.1 Good Read Beep

Settings to enable or disable the audible beep confirmation for successful scans.

2.4.2 Beeper Volume

Adjusts the volume level of the scanner's audible alerts.

2.4.3 Beeper Tone

2.5 BT Configuration

2.5.1 HID Keyboard Character Delay

Sets the delay between transmitting individual characters in HID Keyboard mode.

2.5.2 HID Keyboard Block Delay

Configures the delay between transmitting blocks of data in HID Keyboard mode.

2.5.3 HID Keyboard Case

2.5.4 HID Keyboard Language

2.6 Laser On Time

2.7 Aim Duration

2.8 Time-out Between Same Symbol

2.9 Transmit No Read Message

2.10 Prefix Suffix

2.10.1 PrefixSuffix Values

Appends data before or after scanned data using ASCII values.

2.10.2 Data Terminator Quick Setting

2.10.3 Data Transmission Format

Chapter 3 - Symbology

3.1 UPCEAN Symbologies

Enables or disables UPC-A and UPC-E barcode types for scanning.

3.1.3 UPC-E1

3.1.4 EAN-8

3.1.5 EAN-13

3.1.6 Bookland EAN

3.1.7 Bookland ISBN

3.1.8 Decode UPCEAN Supplementals

3.1.9 User-Programmable Supplementals

3.1.10 Decode UPCEAN Supplemental Redundancy

3.1.11 Transmit UPC-A Check Digit

3.1.12 Transmit UPC-E Check Digit

3.1.13 Transmit UPC-E1 Check Digit

3.1.14 UPC-A Preamble

3.1.15 UPC-E Preamble

3.1.16 UPC-E1 Preamble

3.1.17 Convert UPC-E to UPC-A

3.1.18 Convert UPC-E1 to UPC-A

3.1.19 EAN Zero Extend

3.1.20 UCC Coupon Extended Code

3.2 Code 128 Symbologies

3.2.1 Code 128

Enables or disables the Code 128 barcode symbology.

3.2.2 GS1-128 (formerly UCCEAN-128)

Enables or disables the GS1-128 barcode symbology.

3.2.3 ISBT 128

3.3 Code 39 Symbologies

3.3.1 Code 39

Enables or disables the standard Code 39 barcode symbology.

3.3.2 Trioptic Code 39

3.3.3 Convert Code 39 to Code 32

3.3.4 Code 32 Prefix

3.3.5 Set Lengths for Code 39

3.3.6 Code 39 Check Digit Verification

3.3.7 Transmit Code 39 Check Digit

3.3.8 Code 39 Full ASCII

3.4 Code 93 Symbologies

3.4.1 Code 93

Enables or disables the Code 93 barcode symbology.

3.4.2 Set Lengths for Code 93

Configures length options for Code 93 symbols (Discrete, Range, Any Length).

3.5 Code 11 Symbology

3.5.1 Code 11

Enables or disables the Code 11 barcode symbology.

3.5.2 Set Lengths for Code 11

Configures length options for Code 11 symbols (Discrete, Range, Any Length).

3.5.3 Code 11 Check Digit Verification

3.5.4 Transmit Code 11 Check Digits

3.6 Interleaved 2 of 5 Symbologies

3.6.1 Interleaved 2 of 5

Enables or disables the Interleaved 2 of 5 barcode symbology.

3.6.2 Set Lengths for Interleaved 2 of 5

Configures length options for Interleaved 2 of 5 symbols (Discrete, Range, Any Length).

3.6.3 I 2 of 5 Check Digit Verification

3.6.4 Transmit I 2 of 5 Check Digit

3.6.5 Convert I 2 of 5 to EAN-13

3.7 Discrete 2 of 5 Symbologies

3.7.1 Discrete 2 of 5

Enables or disables the Discrete 2 of 5 barcode symbology.

3.7.2 Set Lengths for Discrete 2 of 5

3.8 Chinese 2 of 5 Symbology

3.8.1 Chinese 2 of 5

Enables or disables the Chinese 2 of 5 barcode symbology.

3.9 Codabar Symbology

3.9.1 Codabar

Enables or disables the Codabar barcode symbology.

3.9.2 Set Lengths for Codabar

3.9.3 CLSI Editing

3.9.4 NOTIS Editing

3.10 MSI Symbology

3.10.1 MSI

Enables or disables the MSI barcode symbology.

3.10.2 Set Lengths for MSI

3.10.3 MSI Check Digits

3.10.4 Transmit MSI Check Digit

3.10.5 MSI Check Digit Algorithm

3.11 GS1 DataBar Symbologies

3.11.1 GS1 DataBar-14

Enables or disables the GS1 DataBar-14 barcode symbology.

3.11.2 GS1 DataBar Limited

3.11.3 GS1 DataBar Expanded

3.11.4 Convert GS1 DataBar to UPCEAN

3.12 Transmit Code ID Character

3.13 Linear Code Type Security Level

Linear Security Level 1

Sets security level for linear codes; requires two reads for specific types.

Linear Security Level 2

Linear Security Level 3

Linear Security Level 4

3.14 Bi-directional Redundancy

Appendix A - Miscellaneous Code Information

AIM Code Identifiers

Defines AIM Code Identifiers (Flag, Code, Modifier characters) for barcode types.

Setting Code Lengths Via Serial Commands

Appendix B - Numeric Bar Codes

Numeric Bar Codes

Provides bar codes for numeric values 0-9 used in parameter settings.

Cancel Operation

Instructions for canceling a selection or correcting an incorrect entry using a barcode.