NCR RealScan 7892 Installation & Owners Manual

Brand: NCR

Model: RealScan 7892

Category: Bar code readers

Type: Installation & Owners Manual

RealScan 7892 Bi-Modal

Presentation Scanner

Installation/Owner Guide

497-0003071

Release E

April 3, 2003

Information Products

RSD-Atlanta

NCR RealScan 7892 Bi-Modal Presentation Scanner Installation and Owner Guide

04/03 497-0003071 Release E 2 of 38

The product described in this book is a licensed product of NCR Corporation.

NCR is a registered trademark of NCR Corporation.

NCR RealScan is a trademark of the NCR Corporation

It is the policy of NCR Corporation (NCR) to improve products as new technology,

components, software, and firmware become available. NCR, therefore, reserves the

right to change specifications without prior notice.

All features, functions, and operations described herein may not be marketed by NCR

in all parts of the world. In some instances, photographs are of equipment prototypes.

Therefore, before using this document, consult with your NCR representative or NCR

office for information that is applicable and current.

To maintain the quality of our publications, we need your comments on the accuracy,

clarity, organization, and value of this book.

Address correspondence to:

Manager, Information Products

NCR Corporation

2651 Satellite Blvd.

Duluth, GA 30096

By NCR Corporation

Dayton, Ohio U.S.A.

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Preface

Audience

This book is written for hardware installers, service personnel, and system integrators.

Notice: This document is NCR proprietary information and is not to be disclosed or

reproduced without consent.

References

• NCR RealScan 7892 Bi-Modal Presentation Scanner User Guide

(B005-0000-1182)

• NCR RealScan 7892 Bi-Modal Presentation Scanner Parts Identification Manual

(B005-0000-1184)

• NCR Scanner Programming Tags

(BST0-2121-74)

• NCR Scanner/Scale Interface Programmer’s Guide (BD20-1074-A)

Revision Record

Issue Date Remarks

A November 2000 First Issue

B June 2001 Corrections: Page 2, LED Indicator colors.

Worksheet 30 and 10.

C October 2001 Wedge Option added

D September 2002 Added USB Connection

Added AIM Label Identifiers

E April 2003 Added Reduced Space Symbology (RSS) support

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Table of Contents

Preface.....................................................................................................................................3

Audience............................................................................................................................3

References ..........................................................................................................................3

Revision Record .....................................................................................................................3

Table of Contents...................................................................................................................4

Understanding Your Scanner................................................................................................5

Scanner Dimensions..........................................................................................................5

Scanner Location ...............................................................................................................5

Installing Your NCR RealScan 7892-0100............................................................................6

Standard Interface Connection.........................................................................................6

USB Interface Connection.................................................................................................7

Dongle Interface Setting...............................................................................................8

Programming the RealScan 7892.................................................................................9

Installing Your RealScan 7892-0200 (Wedge Option).......................................................10

Operating Your Scanner......................................................................................................11

Pick-Up Scanning............................................................................................................12

Label Orientation.................................................................................................................13

Scan Pattern Location......................................................................................................13

PACESETTER..................................................................................................................13

Single Line Scanning .......................................................................................................14

Single Line Scanning Programmable Options...............................................................14

Reduced Space Symbology.............................................................................................15

Taking Care of Your Scanner..........................................................................................15

Correcting Scanner Problems..............................................................................................16

Programming .......................................................................................................................17

On-Site Offering...............................................................................................................17

Depot Offering.................................................................................................................17

Identifying Program Defaults.........................................................................................18

Using the Programming Worksheets.............................................................................19

Programming Worksheets..............................................................................................20

Radio Frequency Interference Statements .........................................................................33

Federal Communications Commission (FCC) ..............................................................33

Canadian Department of Communications ..................................................................33

Voluntary Control Council for Interference (VCCI).....................................................33

Safety Extra Low Voltage....................................................................................................34

Laser Safety ..........................................................................................................................35

Laser Safety Label............................................................................................................35

IEC Class 1 Laser Identification.....................................................................................35

Laser Power.....................................................................................................................36

Declaration of Conformity..................................................................................................37

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Understanding Your Scanner

The RealScan 7892 is available in two models: 7892-0100 and 7892-0200. The 7892-0100

offers IBM, RS-232, and OCIA communication, and permits you to change among these

three programming types. It can be connected to the host terminal through a standard

interface connection or through a USB connection.

The RealScan 7892-0200 offers PC Keyboard Wedge communication only. This model is

designed to address the needs of retailers whose point-of-sale application does not

accept scan data through a communication port.

Power for the RealScan 7892 is provided through a wall adapter Power Module or

directly from the host terminal. Input voltage to the RealScan 7892 must be +12Vdc.

Scanner Dimensions

140 mm

(5.5 in.)

89 mm

(3.5 in.)

140 mm

(5.5 in.)

89 mm

(3.5 in.)

17598

Scanner Location

When identifying a location for your NCR RealScan 7892, you must consider the length

of the connecting cables. The electrical outlet used for the Power Module can be

approximately 74 inches (188 centimeters) from the host terminal. Depending on which

Scanner Module Cable you have, the scanner can be approximately 6.6 feet (2 meters)

or 13.1 feet (4 meters) from the host terminal or PC. However, these distances are

normally shorter depending on how you route the connecting cables. You also want to

be sure that the Scanner Module Cable is long enough to permit the scanner to be

picked up when required for large packages.

Like any electronic device, your RealScan 7892 should not be located in direct sunlight.

Temperatures above 104 degrees Fahrenheit (40 degrees Celsius) can occur when

sunlight falls on objects through windows or on an outdoor checkstand.

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Installing Your

NCR RealScan 7892-0100

The RealScan 7892 can be connected to the host terminal through a standard interface

connection or through a USB connection. Power for the RealScan 7892 is provided

through a wall adapter Power Module or directly from the host terminal.

Standard Interface Connection

In most configurations the Scanner Cable connects the RealScan 7892 to your host

terminal. Refer to the terminal documentation for information about connecting this

cable. Some terminals require a trained technician to perform this function. If a Power

Module is required, it connects to a connector on the Scanner Cable.

Some less common configurations require two cables: a Scanner Cable and an Interface

Cable. If a Power Module is required for this configuration, it connects to the box on

the end of the Scanner Cable.

Note: The Power Module is not used if the RealScan 7892 receives power from the host

terminal.

17681

Power

Module

7892

Scanner Cable

Host Terminal

7892

Power

Module

Interface Cable

Scanner Cable

Most Common Configuration

Uses 7892 Scanner Cable

Less Common Configuration

Uses 7890 Scanner Cable

Uses 7890 Interface Cable

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USB Interface Connection

Connecting an NCR RealScan 7892 Bi-Modal Presentation Scanner to a USB port on a

host terminal requires two cables. One end of the Dongle Adapter Cable connects to

the host terminal. The other end has an Interface Box that contains a printed circuit

board with all the necessary circuitry. The host terminal supplies power for this

circuitry. A Scanner Cable connects the RealScan 7892 to the Interface Box.

Note: The RealScan 7892 receives power from the host terminal. Do not connect a

Power Module to the Interface Box.

Host Terminal

NCR 7892

Scanner Cable

Dongle Adapter Cable

19304

Interface Box

Scanner Cable

1416-C582-0030 Scanner Cable

Dongle Adapter Cable

1416-C731-0004 Latching, Double USB, Scanner is powered by terminal

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Dongle Interface Setting

J3 in the Interface Box on the end of the Dongle Adapter Cable contains a shunt that

must be correctly installed for the host terminal. The cable is shipped from the factory

with the shunt on pins 3 and 4. The following positions are available.

• Pins 1 & 2 – Not used

• Pins 3 & 4 – IBM

• Pins 5 & 6 – NCR/RS-232

• Pins 7 & 8 – Not used

The cover on the Interface Box latches together along one side. Carefully pry open the

latched edge to open the Interface Box. Check the shunt position on J3 and change as

needed. Close the Interface Box cover. A label is attached to the outside of the Interface

Box that identifies the available interface settings.

19573

R4 R5

R6 R7

C7 C8

WIRH

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Programming the RealScan 7892

The RealScan 7892 must be properly programmed when using the USB Dongle

connection to the host terminal. This programming depends on the type of host

terminal being used.

RS-232 Communications

The RealScan 7892 must be programmed for RS-232 communications protocol and

some of the RS-232 parameters must be set to specific values. Other parameters may be

set as required by the host terminal. Set the required program parameters by scanning

the following sequence of programming tags. These must be the first tags scanned after

supplying power to the unit.

1. Programming Mode tag – puts scanner in base programming state.

2. Hex 3, Hex 0, Hex B, Hex 5 – sets the required RS-232 programming parameters.

• RS-232 communications protocol

• 9600 baud

• Odd parity

• 1 stop bit, 7-bit character

3. Save and Reset – saves the program just entered and resets the RealScan 7892.

The host terminal software may now be configured to use the communication port

assigned by the IO Network driver when the Dongle Adapter Cable was plugged into

the USB port.

IBM Communications

The host terminal should assign the port and associate the scanner with the application

when the USB connection is made. When programming a RealScan 7892 for IBM USB

communications, all parameters are set to the standard default values, and the

communications protocol is set to IBM USB. This is accomplished by scanning the

following sequence of programming tags. These must be the first tags scanned after

supplying power to the unit.

1. Programming Mode tag – puts scanner in base programming state.

2. Hex 3, Hex 0, Hex E, Hex 1 – sets all parameters to standard default values and

sets the communication protocol to IBM USB.

3. Change any other parameters as required by the host terminal.

4. Save and Reset – saves the program just entered and resets the RealScan 7892.

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Installing Your

RealScan 7892-0200

(Wedge Option)

The RealScan 7892-0200 provides the wedge option that permits the RealScan 7892 to

be connected to the host terminal through a keyboard connector. Scan data is input

into the keyboard port. When connected in this configuration the RealScan 7892 cannot

receive commands from the host terminal.

Configure your Wedge option as shown in the following illustration.

19183a

Power

Module

7892 Scanner

Scanner Cable

Power Cable

Host Terminal

Keyboard

Keyboard Wedge Cable

1416-C636-0030(7892-0200)

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Operating Your Scanner

The RealScan 7892 is designed for both presentation scanning and pass-by scanning.

Pass-by scanning is often used at checkout stands, such as in grocery stores. In the

checkout stand environment, normally large quantities of items must be scanned in a

short amount time. Therefore, you pass the items over the scanner, moving them from

one side of the checkstand to another. The scanner reads the label while the items are

moving by.

With presentation scanning, you simply present the label to the scanner and then

remove it. Do not move the label past the scanner, but to the scanner. Presentation

scanning is particularly useful in a retail environment where the number of items

associated with each transaction is normally small. There are three simple steps to

presentation scanning.

1. Move the bar code label to the scanner as shown.

17682

Scan Window

2. Position the bar code label completely within the red Laser Scan Pattern as

indicated below. Normally the bar code should be three to four inches from the

scanner. When the label is read the Status Indicator turns green, then returns to

red. If enabled, a Good Read Tone also sounds.

17684

Laser Scan

Pattern

Status

Indicator

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3. Move the bar code label away from the scanner as shown. The scanner is now

ready to read another bar code label. To read another bar code, simply perform

these three steps again.

17685

Pick-Up Scanning

Occasionally you have merchandise that cannot be picked-up and presented to the

scanner. The package may be too heavy or too awkward to hold while trying to

position the bar code label. In these circumstances you can pick up the scanner and

take it to the merchandise. The RealScan 7892 is designed so that you can easily pick

the scanner up and hold it. Being lightweight, you can present the scanner to the

merchandise with little effort.

17686

Careful

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Label Orientation

Because your NCR RealScan 7892 produces a dense, omnidirectional scan pattern,

labels can be read from many different angles.

Scan Pattern Location

In order for the scanner to read a label, the center 90% of one scan line must cross the

bar code. To successfully read Code 39 and Interleaved 2 of 5 labels, the scan line must

cross the entire label, not missing any of the bars or spaces. UPC and Code 128 labels

can be read by piecing together two reads of slightly more than half of each side of the

bar code. Therefore, these labels are much easier to read and do not require as much

accuracy when presenting the label to the scanner.

Because of the large scan pattern, you do not have to be very precise when you

position the label. However, the concentration of scan lines is greater in the center of

the scan pattern. Because of this, fewer rejects occur if you try to position the

merchandise so that the label is presented toward the center of the scan pattern.

PACESETTER

Vendors and printers occasionally supply products to the market with bar codes

overprinted, underprinted or truncated. Some labels have missing margins. Others

may be printed around the corners of the packages or on media that wrinkles when

picked up. PACESETTER is a standard feature that addresses the problem of

unreadable labels.

PACESETTER Plus trailer provides for symbol quality data being applied at the end

of UPC and EAN bar codes. This capability can be either programmed using the

programming tags or on command when using RS-232 communication program.

3 1 2 3 On Enable Trailer

3 1 3 1 Off Disable Trailer

Note: Commands are presented in NCR Scanner/Scale Interface Programmer’s Guide

(BD20-1074-A)

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Single Line Scanning

Single Line Scanning is a feature of the NCR RealScan 7892-0100/0200; it is not

available with the 7892-0300. This feature permits you to scan a specific bar code in a

group of bar codes. The RealScan 7892-0100/0200 has a two-position switch located on

the side of the unit.

• Press the switch to the first position. The Status Indicator LED turns from red to

amber and a single red line is visible across the bar code.

• Align the bar code to be scanned with the scanner.

• Press the switch to the second position and the Status Indicator turns from amber

to green and the unit beeps, indicating a good read.

18281

Single Line Switch

Single Line Scanning Programmable Options

Single Line Switch Setting

Scanner decodes at the first position and projected line turns off upon a good read.

70% Line Width Option

Width of line is reduced by 30% to facilitate reading closely spaced bar codes.

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Reduced Space Symbology

Reduced Space Symbology (RSS) permits more data to be recorded in a smaller

physical space. This is accomplished by encoding the data in large symbol characters

rather than encoding each character separately. Also, no quiet space is required around

the symbols. The RealScan 7892 with RSS can read two types of RSS bar codes, both of

which can be stacked: RSS-14, RSS-14 Stacked, RSS Expanded, and RSS Expanded

Stacked. Refer to the NCR 7892 BiModal Presentation Scanner User Guide (B005-00000-

1182) for details about each of these bar codes.

Taking Care of Your Scanner

Although your RealScan 7892 is rugged, remember to treat it carefully. Keeping the

Scan Window clean helps keep the read rate exceptionally high. Follow these simple

instructions to keep your scanner clean and well maintained.

• Clean the scanner body with a soft cloth dampened by warm water and a mild

soap.

• When the Scan Window is dirty, clean it with a cloth dampened with warm water.

Your RealScan 7892 is designed to provide you with long, trouble-free service.

However, it is up to you to care for your scanner. The following list identifies things

you should consider in taking care of you scanner.

• Handle the scanner with care.

• Keep the Scan Window clean.

• Replace the Scan Window if excessively scratched.

• Do not pick up the scanner by the cable.

• Do not submerge the scanner or let it get wet.

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Correcting Scanner Problems

Problem Status Indicator

Tone Possible Cause Corrective Action

Scanner does not operate.

• Laser light off

• Motor off

• Interface Cable

Connector Box light

off

Off

Off No power to the unit

• Check the electrical outlet

for proper power.

• Check all cables for being

connected properly.

• Check the fuse in the

Interface Cable Connector

Box.

• Check power cable

connection.

Scanner does not operate.

• Laser light off

• Motor off

Off

Off Internal failure Have scanner repaired.

Scanner does not operate.

• Cannot read bar codes

• Problem still exists

after removing power

and then supplying

power

Flashes Red

Series of

beeps at

3-second

intervals

Internal failure Have scanner repaired.

Laser light does not go off.

Red, Green,

or none

On or Off Internal failure Remove power

IMMEDIATELY and have

scanner repaired.

Scanner reads only two

tags.

Normal

Normal Communication failure

• Check the

ost terminal o

PC for proper operation.

• Check the protocol

programmed.

Scanner does not read

labels. All other

indications normal and

unit programmed

properly.

Green

Off Internal failure Have scanner repaired.

Scanner does not

communicate to host

terminal when using IBM

468x communications

Series of 9

ed flashes

3-second

intervals

Off Host terminal is not

turned on

Turn on host terminal.

Cables disconnected

between RealScan 7892

and host terminal

Check Scanner Module cable

and Interface cable for proper

connection.

Green

Off Host terminal has not

established

communications with

the RealScan 7892.

Refer to the host terminal and

application documentation.

Check programmed options.

Scanner does not operate

when using IBM 468x

communications.

Rapidly

flashes Red

Off Host terminal has sent

the RealScan 7892 a

command to prevent it

from reading bar codes.

Terminal should enable the

RealScan 7892 later in the

transaction.

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Programming

On-Site Offering

Customers who sign up for NCR's On-Site Offering should do the following.

• Update your Installation and Owner Guide to include those programming

parameters you change (if any) by circling those areas/sections/ parameters you

change and then writing in the new values you program into your RealScan 7892.

Note: Reference the chart in the following section which contains the default values

that have been programmed into the RealScan 7892 at the factory.

• Keep your Installation Guide where it is accessible to the person(s) responsible for

interfacing with the NCR Customer Engineer who repairs your RealScan 7892

units.

• Prior to having the NCR Customer Engineer begin the repair of your failed

RealScan 7892, provide him with a copy of the pages that include the programming

changes you have made.

Note: In those cases where the NCR Customer Engineer does not receive documents to

the contrary, they will assume that no changes have been made to the RealScan 7892

Factory Default Values and they will program your repaired/replaced RealScan 7892

unit accordingly. If changes have been made and the NCR Customer Engineer has not

been made aware of these changes, then the repair time will be greatly increased as the

NCR Customer Engineer tries to identify the correct programming parameters.

Depot Offering

Customers who sign up for NCR's Depot Offering should do the following.

• Update your Installation and Owner Guide to include those programming

parameters you change (if any) by circling those areas/sections/ parameters you

change and then writing in the new values you program into your RealScan 7892.

Note: Reference the chart in the following section which contains the default values

that have been programmed into the RealScan 7892 at the factory.

• Keep your Installation and Owner Guide where it is accessible to the person(s)

responsible for mailing in your RealScan 7892 units for repair.

• Prior to mailing your failed RealScan 7892 in for repair, copy the pages that include

the changes you have made, and set a copy of these documents inside the box

containing your defective RealScan 7892 unit.

Note: In those cases where the NCR Depot does not find documents to the contrary,

they (NCR Depot) assumes that no changes have been made to the RealScan 7892

Factory Default Values and they program your repaired/replaced RealScan 7892 unit

accordingly.

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Identifying Program Defaults

Following are the default values that are set when you scan the Default programming

tag unless otherwise specified. The scanner beeps to indicate the Default setting.

Programming Mode Program Parameters Default Setting

Communications Protocol Protocol Depends on Worksheet 30 Default

Good Read Tone Volume Tone On/Off

Tone Frequency

Tone Length

High

75 Milliseconds (high)

Timers Lockout Time

Restart Lockout Timer

Active Time

Multiplier

450 Milliseconds

5 Minutes

Disable

Bar Codes – 1 UPC/EAN

Extend UPC-A to EAN-13

Extend UPC-E to UPC-A

Periodical Codes

Periodical Code Extension

Send Data

Enable

Disable

2-Digit & 5-Digit

Data As Decoded

Bar Codes – 2 Code 39

Minimum Characters Allowed

Full ASCII

Check Digit Present

Transmit Check digit

Allow Single Character Tags

Disable

Bar Codes – 3 Interleaved 2 of 5

Bar Code Length

Value 1

Value 2

Check Digit Present

Transmit Check Digit

Disable

Range Check

Disable

Bar Codes – 4 Code 128

Minimum data Characters

UCC 128

Disable

Bar Codes – 5 RSS Enable

Scans Required on RSS 14

Scans Required on RSS 14E

UCC-128 Emulation Mode

Disabled

Normal

Label Identifiers Identifier Type

Common Byte 1

Common Byte 2

Bar Code Type

Common Byte

Unique Identifier

Default Prefix

Not Applicable

Additional Bar Code

Options

UPC Number System Character

ISBN Option

Send

Disable

RS-232 Parameters – 1 Baud Rate

Parity

Stop Bits And Character Length

Handshake

9600

Odd

1 Stop Bit, 7-Bit Character

RTS High, Wait For CTS

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Programming Mode Program Parameters Default Setting

RS-232 Parameters – 2 BCC Options

Interface Control

Check Digit

Retransmit On ACK/NAK Timer Expiration

Disable

None

Enable UPC-A, Enable EAN-8,

Enable EAN-13,

Disable UPC-E (0100/0300 RS-232)

Enable UPC-E (0200/0300 Wedge)

Enable

RS-232 Prefix Byte Prefix Byte

ASCII Code

Disable

RS-232 Terminator Byte Terminator Byte

ASCII Code

Second Terminator Byte

Enable

Disable

Communication Options Send IBM Tags in Hex or ASCII

Maintain or Drop OCIA Message Data

Retries on IBM Message

RS-232 Mode

RS-232 Delay

OCIA NCR Short Soft Reset

Hex

Unlimited

Normal

10 Milliseconds

Parity

Single Line Options Enable/Disable

Switch Action

Line Width

Enable with S. L. feature

Double Position

Wide

Parameter Version Number

0000

Wedge Options Country Code

Caps Lock

Number Lock & Keypad

Inter Character Delay

United States

Keypad not used

Every 4ms

Using the Programming Worksheets

The Programming Worksheets that follow provide a convenient method of defining

your RealScan 7892 program before loading it into the scanner. Each worksheet relates

to a specific programming mode. Circle your selections and changes on the

Worksheets. Save this information for future use should it be necessary to re-enter this

program.

Most of the programming options have defaults that are determined at the factory. A

bolded box around an entry selection specifies it as the default value. Scanning the

Default tag as the first tag after applying power to the RealScan 7892 sets the

parameters to these values. The scanner also indicates via beeps the Default setting.

Enter the program into your scanner by scanning the proper sequence of programming

tags found in the NCR Scanner Programming Tags book (BST0-2121-74). Following are

the three major steps to programming your scanner.

1. Enter the Base Programming State by scanning the Programming Mode tag as the

first tag after applying power to your RealScan 7892.

2. Select a Programming Worksheet and enter its parameter data by scanning the Hex

tags identified for that Programming Worksheet. Repeat this for each worksheet.

3. Save your program by scanning the Save and Reset Tag.

Caution: Some host terminals can corrupt your program if they are running and are

connected to the RealScan 7892 while you are entering a program. Either turn off the

host terminal or disconnect the interface cable from the host terminal before entering

your program.

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Note: In most instances the factory determined defaults are the correct parameter

settings. Normally you only need to change a few of these parameters and do not need

to enter all the Programming Worksheets. When programming your scanner, first set

all the parameters to default values by scanning the Default tag, then make any

necessary changes to the appropriate parameters. If you need to change the Default

protocol, program that first.

Programming Worksheets

3 0 Default Settings

OCIA

NCR Short

OCIA

NCR Long

OCIA

Non-NCR Short

IBM 468x

Select

Address 4A

Slot Scanner

Hex Data

IBM 468x

Select

Address 4B

(1520 BCR)

ASCII Data

RS-232

7892-0100

7892-0200

IBM 468x

Select

Address 4B

(HHBCR)

ASCII Data

Wedge

7892-0200

7892-0300

19341-A

Protocol

1 0 Communications Protocol

OCIA

NCR Short

OCIA

NCR Long

OCIA

Non-NCR Short

IBM 468x

Select

Address 4A

Slot Scanner

Hex Data

IBM 468x

Select

Address 4B

(1520 BCR)

ASCII Data

RS-232

7892-0100

7892-0200

IBM 468x

Select

Address 4B

(HHBCR)

ASCII Data

19321-A

Protocol

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NCR RealScan 7892 Installation & Owners Manual

Brand: NCR

Model: RealScan 7892

Category: Bar code readers

Type: Installation & Owners Manual

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