RealScan 7882
Installation and Owner
Guide
12623
497-0419630
Release F
September 5, 2002
Information Products
RSD-Atlanta
NCR RealScan 7882 Installation and Owner Guide
Obtaining Additional Information
Other Information Products
Title
Order Number
B005-0000-1305
B005-0000-1306
BST0-2121-74
BD20-1074-A
NCR RealScan 7882 User Guide
NCR RealScan 7882 Repair Guide
NCR Scanner Programming Tags
NCR Scanner/ Scale Interface Programmer’s Guide
How To Obtain Information Products
Web Sites
E-Mail
•
http:/ / inforetail.AtlantaGA.NCR.COM • IP136695@exchange.DaytonOH.ncr.CO
(NCR only)
M (US area)
•
http:/ / www.info.NCR.COM (Anyone)
•
M0500005@exchange.UnitedKingdom.
NCR.COM (International)
Online Order
•
Connect System (NCR only)
Mail Order
Phone Order
•
•
NCR Corporation IPP-Dayton
1529 Brown St.
IPP EMD-2
Dayton, OH 45479
USA
NCR Corporation
915 High Road
North Finchley
•
•
•
800-543-2010 (US area)
622-3727 (VOICEplus)
44-181-242-5350 (International)
Fax Order
•
937-445-6245 (US area)
44 (0) 20 8 242 5355 (International)
London N12 0HN United Kingdom
Obtaining Technical Assistance
Technical assistance is available as follows.
•
•
•
Technical assistance in the United States: 1-800-262-7782
Technical assistance in other countries: call your local NCR office
To order parts: 1-800-438-7830
Note: If you find any defective parts during installation of a new scanner, contact the
Customer Satisfaction Hotline at one of the following.
•
•
•
Phone: 1-800-528-8658 (USA)
Phone: 770-623-7400 (International)
E-mail: CustomerSat.Retail@NCR.com
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RealScan 7882 Mountings
RealScan 7882
The NCR RealScan 7882 is a small, compact laser scanner with many of the same
features as the larger scanners. It can be mounted horizontally in a checkstand or
vertically above the checkstand. Various mounts are available for the RealScan 7882.
Scanner
Vertical Mount
Top Plate
Vertical Mount
(Horizontal Mount)
With Top Plate
Horizontal Mount Horizontal Mount
Flat Plate Adapter 7820 Adapter
Horizontal Mount
7852 Adapter
18681
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Installation Instructions
When installing a RealScan 7882, it is recommended that you first mount the Power
Supply and run all the cables. After connecting the unit to the host terminal, make any
necessary programming changes and scan some good tags to verify that the scanner is
communicating with the host terminal. After verifying that everything is working
correctly, mount the unit in the checkstand. If the RealScan 7882 does not work
properly, refer to the Correcting Scanner Problems section in this document.
The following flowchart shows the sequence of installation steps. Detailed descriptions
of each step follow.
Installing Power Supply and
Step 1
Interface Cables
Setting Program Parameters and
Step 2
Verifying Host Connection
Step 3
Step 4
Setting the Scan Zone
Mounting the RealScan 7882
18682
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Step 1 - Installing Power Supply
and Interface Cables
Connecting the Cables to an NCR RealScan 7882
The RealScan 7882 can be powered through a wall adapter Power Supply or directly
from the host terminal. The RealScan 7882 automatically detects which power source is
being used. In either case, the input voltage to the RealScan 7882 should be +12Vdc.
The RealScan 7882 current never exceeds 600mA. How the cables are connected to the
RealScan 7882 depend on the type of interface connection being used.
Standard Interface Connection
1. Install the Interface Cable between the RealScan 7882 and the host terminal.
2. If using the wall adapter Power Supply, locate it in the checkstand at least
10 inches (25.4 cm) from the RealScan 7882 installed position. Be sure to locate the
Power Supply where spilled liquids cannot fall onto it.
3. Fasten a Tie-Wrap around the Power Cable and the Interface Cable to help secure
the Power Cable.
Note: If the RealScan 7882 is to receive power from the host terminal, omit steps 2 and
3.
7837 Hand-Held Scanner
Power Supply
Scanner
Host Terminal
Power Cable
Interface Cable
18683
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USB Interface Connection
Connecting a RealScan 7882 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. An Interface cable
connects the scanner to this box. A Power Supply connects to the scanner.
Scanner
7837 Hand-Held Scanner
Power Cable
Power Supply
Interface Cable
Interface Box
Host Terminal
Dongle Adapter Cable
19406
Interface Cable
1416-C734-0040 Interface Cable
Dongle Adapter Cables
1416-C731-0004 Latching, Double USB
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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 four positions are available.
•
•
•
•
Pins 1 & 2 – Wedge
Pins 3 & 4 – IBM
Pins 5 & 6 – RS-232
Pins 7 & 8 – HID
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.
J3
W
I
R
H
1
2
7
8
C1 R4
R5
J3
U4
U1
C6
J5
R6 R7
C5
C4
U6
J2
U2
C3
C2
U5
U7
J1
C7 C8
J4
R3
R2
R1
Y1
U3
19573
The following label is attached to the outside of the Interface Box. It identifies the
various interface settings.
J3 is set at the
factory for IBM;
move the shunt for
other interfaces.
Shunt
PositionInterface
1 to 2 Wedge
3 to 4 IBM
5 to 6 RS 232
7 to 8 HID
20001
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Auxiliary RS-232 Port
The Auxiliary RS-232 Port provides a connection for an RS-232 device such as a
RealScan 7837 Hand-Held Scanner. The following table gives wiring information about
the connector.
Auxiliary RS-232 Port
Pin Number
Signal Name
+5 Vdc
NC
GND
TXD
RXD
+ 12 Vdc
CTS
RTS
Frame
Frame
1
2
3
4
5
6
7
8
9
10
NCR RealScan 7835/7836
•
•
1416-C313-0040 – Interface Cable
1416-C397-0010 – Extension Cable
NCR RealScan 7837
•
•
1416-C445-0025 – Interface Cable
1416-C397-0010 – Extension Cable
The NCR 7882 auxiliary RS-232 port hardware is limited to the following fixed
parameters.
Baud Rate
4800 (9600 before SN 40-36009427)
Parity
Odd
Stop Bits
1
Number of Data Bits
Hardware Handshaking
Terminator Character
UPC-A Prefix Character
UPC-E Prefix Character
EAN 8 Prefix Character
EAN 13 Prefix Character
Code 128 Prefix Character
Code 39 Prefix Character
Interleaved 2 of 5 Prefix Character
7
None
CRLF
d
d
d
d
f
a
b
Note: ASCII data cannot be sent from the auxiliary RS-232 port when the RealScan
7882 is set for OCIA Short format. In this case, the RealScan 7882 generates an error
beep.
When a 7836 is attached to a RealScan 7882, the 7836 requires the following
programming.
•
•
Reset to serial (default values) – Label ZA
Enable code ID (default values) – Label FB
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Step 2 - Setting Program
Parameters and Verifying Host
Connection
Now you need to turn on the NCR RealScan 7882. After making any necessary
program changes, scan a few tags to verify that the RealScan 7882 is communicating
with the host terminal.
Turning on the RealScan 7882
The RealScan 7882 does not have an On/ Off switch. Use the circuit breaker switch in
the checkstand that supplies power to the unit as the On/ Off switch. Put this switch in
the On position.
Programming the Communication Parameters
Caution: Some host terminals can corrupt the RealScan 7882 program if they are
running and are connected to the RealScan 7882 while you are making program
changes. Either turn off the host terminal or disconnect the interface cable before
scanning any programming tags.
If the Interface Cable is provided as a kit rather than being included with the
RealScan 7882, you can set the communication parameters by scanning the bar code on
the label on the cable package. Standard defaults are set for most RS-232 or OCIA
cables. If the cable is for a specific host terminal, all the necessary parameters required
for that host terminal are set. The bar code label on the Interface Cable package must
be the first bar code scanned after applying power to the RealScan 7882.
If the Interface Cable came with the RealScan 7882, the communication parameters are
probably correct and you should not need to make any changes to these parameters.
However, if the RealScan 7882 does not communicate with the host terminal, scan the
appropriate tag from the following set of communication protocol tags.
Note: When scanning bar codes on the following pages, be sure to completely cover all
bar codes except the one you are scanning.
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OCIA Single Cable
NCR 2127, 2154, 2155, 2156, 2157, 2760, 7050, 7051, 7052, 7053, 7054, 7450,
7070
1
P
1
4
1
6
C
C
C
0
1
1
0
0
4
0
RS-232
NCR 2170, 7452, 7445
ICL 9518/200, 9520/150,
MicroBilt MB-8010 Checkreader,
9-Pin D Shell, 6-Pin Modular
1
P
1
4
1
6
0
1
9
0
0
4
0
IBM Format
IBM 4683/4 with Port 17,
4694 Models 244/245 Port 9A,
4694 Models 001,004,024 Port 9E,
4693, 4682/3/4 Port 5B
1
P
1
4
1
6
0
2
0
0
0
4
0
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OCIA Short Format
NCR 2113, 2126, 7058
1
P
1
4
1
6
C
0
1
4
0
0
4
0
OCIA Long Format
NCR 1255, 2151, 2152, 2552, 2557, 2950
1
P
1
4
1
6
C
0
2
6
0
0
4
0
RS-232 Beetle
SNI Beetle 3L
1
P
1
4
1
6
C
2
6
3
0
0
4
0
RS-232 Gilbarco
Gilbarco Controller
1
P
1
4
1
6
C
2
3
7
0
0
4
0
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RS-232 Ruby
Verifone Ruby (4M)
1
P
1
4
1
6
C
2
5
4
0
0
4
0
RS-232 Wayne
Wayne Controller
1
P
1
4
1
6
C
2
3
6
0
0
4
0
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Programming Defaults
Scanning the Default programming tag sets most program parameters to factory
defined values as shown in the following chart. However, some parameters do not
have default values so they are not changed, they stay as they are programmed.
01 Communications Protocol
Protocol
No default value – remains as programmed
11 Good Read Tone
Tone On/ Off
On
Tone Frequency
Tone Length
Tone Volume
Choice 6 of 8 Levels
Choice 3 of 16 Levels
Choice 4 of 8 Levels
Choice 2 of 8 Levels
Not-On-File Volume
12 Timers
Lockout Time
Restart Lockout Timer
Active Time
750 Milliseconds
Off
15 Minutes
13 Bar Codes – 1
UPC/ EAN
Enable
Version D
Disable
Extend UPC-A To EAN-13
Extend UPC-E To UPC-A
Periodical Codes
Periodical Code Extension
Send Data
Disable
Disable
Disable
2-Digit & 5-Digit
Data As Decoded
14 Bar Codes – 2
Code 39
Minimum Characters Allowed
Full ASCII
Check Digit Present
Transmit Check Digit
Allow 1- or 2-Character Tags
Disable
8
Disable
Disable
Disable
Disable
15 Bar Codes – 3
Interleaved 2 of 5
Bar Code Length
Value 1
Disable
Range Check
08
Value 2
16
Check Digit Present
Transmit Check Digit
Disable
Disable
17 Bar Codes – 4
Code 128
Disable
3
Disable
Minimum Data Characters
UCC 128
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16 Label Identifiers
Identifier Type
Common Byte 1
Common Byte 2
Bar Code Type
Unique Prefix
5D
42
No Default value – remains as programmed
UPC-A
UPC-E
EAN-8
EAN-13
Code 39 Code 128 I 2 of 5
Common Byte
0
0
0
0
2
2
2
Unique Identifier 41 Hex 45 Hex 46 Hex 46 Hex 31 Hex 33 Hex 32 Hex
20 RS-232 Parameters – 1
Baud Rate
9600
Parity
Odd
Stop Bits & Character Length
Handshake
1 Stop Bit, 7-Bit Character
RTS High Wait For CTS
21 RS-232 Parameters – 2
BCC Options
Disable
Interface Control
Check Digit
None
Enable UPC-A, Enable EAN-8,
Enable EAN-13, Disable UPC-E
22 RS-232 Prefix Byte
Prefix Byte
Disable
02
ASCII Code
23 RS-232 Terminator Byte
Terminator Byte
ASCII Code
Enable
03
24 RS-232 Communications Options
Message Delay
10 Milliseconds
Normal Mode
Normal Or Eavesdrop Mode
21 Miscellaneous Parameters
IBM Tone Control
Enable
3 Times
Hex
IBM Rexmit Control
IBM Tag Data Format
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Programming for USB Connection
The NCR RealScan 7882 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 7882 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. Default – sets all parameters to standard default values.
2. Programming Mode – puts scanner in base programming state.
3. Hex 1, Hex 0, Hex E, Hex 0 – sets the required RS-232 programming parameters.
•
•
•
•
RS-232 communications protocol
9600 baud
Odd parity
1 stop bit, 7-bit character
4. Change any other parameters as required by the host terminal.
5. Save and Reset – saves the program just entered and resets the scanner.
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 7872 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. Default - sets all parameters to standard default values.
2. Programming Mode tag - puts scanner in base programming state.
3. Hex 1, Hex 0, Hex D - sets the communication protocol to IBM USB.
4. Hex 4, Hex 8, Hex 5 – turns off configuration message processing.
5. Change any other parameters as required by the host terminal.
6. Save and Reset - saves the program just entered and resets the scanner.
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Making Other Program Changes
If you still need to make program changes after setting the communication parameters,
you can enter information directly from the Programming Worksheets. The
Programming Worksheets, located at the back of this book, identify all the available
program parameters. Each worksheet relates to a specific programming mode. Most
programming options have defaults, identified by a heavy box, that are determined at
the factory. Scanning the Default tag as the first tag after applying power to the
RealScan 7882 sets the parameters to these values.
Changing the RealScan 7882 program is accomplished by scanning the proper
sequence of programming tags. Following are three major steps for making program
changes.
1. Enter the Base Programming State by scanning the Programming Mode tag as the
first tag after applying power to the RealScan 7882.
2. Select a Programming Worksheet and enter its parameter data by scanning the
appropriate Hex tags.
3. Save the program by scanning the Save and Reset tag.
Note: In most instances the factory determined defaults are the correct parameter
setting. However, if you do need to make changes, it is recommended that you first set
all parameters to default values, then make any necessary changes to the appropriate
parameters.
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Scan Sample Tags
Now you should scan some sample tags to verify that the RealScan 7882 is
communicating with the host terminal. Following are four good tags that you can use.
After verifying that the RealScan 7882 is communicating properly with the host
terminal, continue with the installation.
Note: For maximum performance, full size labels must be used. The UPC Symbol
Specification Manual gives the exact size requirements for UPC labels. If the bar height
is less than specified, more precise presentation to the scanner is required, reducing
productivity.
UPC-A
7 7 06 2 3 7 9 2 0
1
4
Code 39
1
7
7
0
6
2
3
7
9
2
0
Code 128
1 7 7 0 6 2 3 7 9 2 0
Interleaved 2 of 5
0 1 7 7 0 6 2 3 7 9 2 0
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Determining Label Quality
Many labels in a typical retail environment are unreadable. The following illustration
shows some of the common problems. Vendors and printers regularly supply products
to the market with bar codes that are over-printed, under-printed, or truncated. Some
labels have missing margins. Others may be printed around the corners of packages, or
on media not likely to remain flat when picked up.
0
01234 56789
6
0
01234 5679
6
0
01234 56789
6
Bar Code Scratched
Bar Code Folded
Bar Code Truncated
0
01234 56789
6
01234 56789
0
01234 56789
6
0
6
Bar Code Torn
Poor Color Contrast
Red Bar Code On
Red Background
R0026
The readability of a label depends on variables such as size, placement, color, paper
type, ink viscosity, and package coatings. The middle of a printing run can yield
erroneous labels due to the many variants involved. In particular, poor color contrast
and marginal print quality can make a label hard to read.
UPC bar code requirements are identified in the UPC Symbol Specification Manual
that is published by the Uniform Code Council, Inc. Contact the following for a copy of
this document.
Uniform Code Council, Inc.
8163 Old Yankee Road, Suit J
Dayton, OH 45458
Phone: 513-435-3870
Contact the following for information on Code 39 or "3 of 9" bar code labels.
AIM – USA
634 Alpha Dr.
Pittsburgh, PA 15238-2802
Phone: 412-963-8588
EAN bar code requirements are identified in General Specification for Article
Symbol Marking, Copyright EAN-1977.
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Step 3 - Setting RealScan 7882
Scan Zone
The scan zone on a NCR RealScan 7882 Scanner can be set to horizontal or vertical.
Changing the scan zone changes the angle of the scan lines coming from the scanner.
Vertical
Scanning
Horizontal
Scanning
16011
You change the scan zone by turning the screw on the bottom of the cabinet. Be sure to
turn the screw all the way in one direction or the other, do not leave it turned part
way.
Scan Zone
Adjusting Screw
Complies with FDA radiation
rmance standards 21
CFchapter J.
VCCI-1
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received
including interference that may cause undesired operation.
This apparatus does not exceed the Class
A
limits for
radio noise emissions set out in the Radio Interference
Regulations of Canada.
Horizontal
Vertical
Le présent appareil
ñ
émet pas de bruits radioeléctriques
prescrites dans le
depassant les limites de la Classe
A
Reglement sur le brouillage radioeléctrique du Canada.
One or more of the U.S. Patents listed below apply:
4,868,375 4,797,551 4,851,667 4,235,018
4,272,675 4,282,426, 4,679,154 5,194,722
5,276,316 5,334,825 5,262,625 5,256,865
5,144,114 5,065,842 5,023,818 5,459,310
5,588,621 5,661,297 5,773,767 5,975,417
NCR Corporation
Duluth, Ga.30096
.
18684
When selecting the scan zone, you must also consider how you are mounting the
scanner, horizontally or vertically. This permits you to optimize the performance for
your particular installation. Following are four common installations that identify the
installation type and the scan zone setting. They are given in order of scanning
efficiency with the first being the most efficient, and the last being the least.
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Horizontal - Pass-by Scanning
This installation provides the most efficient way to scan items. It is typically used in
checkouts where speed is extremely important. In this installation, the operator slides
items from the input area on the checkstand, across the scanner, and to the output area
on the checkstand.
Typical Installation -
Hyper/Super Market
Scan Zone - Horizontal
Installation - Horizontal
16012
Vertical - Pass-by Scanning
This installation is used where the checkstand is not large enough to mount the
scanner horizontally, but pass-by scanning is needed. In this installation, the operator
slides items from the input area on the checkstand, past the scanner, and to the output
area on the checkstand.
Typical Installation -
Drug Stores
Super Market in Europe
With Operator Seated
Scan Zone - Horizontal
Installation - Vertical
OR
16013
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Vertical - Presentation Scanning from Top
This installation is used on small checkout counters that do not have enough room for
pass-by scanning. Here the operator picks up the item, presents it toward the top of the
scanner, and then bags the item all in one motion.
Typical Installation -
Specialty Store
Scan Zone - Vertical
Installation - Vertical
16014
Vertical - Presentation Scanning from Bottom
This installation is used on very small checkout counters. In this installation the
operator picks up the item, presents it toward the bottom of the scanner, and then bags
the item all in one motion.
Typical Installation -
Convenient Store
Scan Zone - Vertical
Installation - Vertical
16015
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Step 4 - Mounting the
RealScan 7882
Rubber Feet
The NCR RealScan 7882 Scanner is supplied with rubber feet that can be attached to
the sides of the cabinet. This permits the scanner to sit on the checkstand in a vertical
position without being mounted to the Vertical Mounting Bracket. There are round
recesses in each side of the cabinet that accept the rubber feet. Remove the paper
backing from the rubber feet and stick them to the cabinet in the round recesses.
Plastic Top Plate
Your installation may use a Plastic Top Plate. Make sure no rubber feet are attached to
the cabinet.
1. Properly align the scanner with the Plastic Top Plate.
2. Fasten the scanner to the Top Plate making sure that all four latches are securely
latched around the scanner.
Plastic Top Plate
Scanner
Mounting Latches
18718B
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3. Install two Latch Clips – horizontal installation only. These clips secure the
RealScan 7882 to the Plastic Top Plate in case something falls on the assembled
unit.
Plastic Top Plate
Scanner
Latch Clip
Mounting Screw
18749
4. Connect Power Cable and Interface Cable.
Power Cable
Interface Cable
19769
•
•
•
Connect the Power Cable – right angle connector. Be sure the connector is
positioned against the plastic extension on the Top Plate.
Carefully push the plastic extension away from the RealScan 7882 as shown in
the illustration.
Connect the Interface Cable – push it down until it latches.
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Vertical Mounting Bracket
Scanner
Vertical Mount Bracket
Laser Scan
Direction
Mounting Screws (Three)
Interface Cable
Power Cable
Ground Wire
RS-232 Peripheral Cable
Laser Scan
Direction
Laser Scan
Direction
16016
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Checkstand Cutout
1. Put the RealScan 7882 into the hole in the checkstand. Diagrams in NCR
RealScan 7882 Specifications show the various dimensions of the hole.
2. Align the RealScan 7882 to the Checkstand. The leading edge of the Top Plate must
be flush or up to 1/ 16 in. (0.15 cm) below the top of the checkstand. The trailing
edge of the Top Plate must be flush or up to 1/ 16 in. (0.15 cm) above the top of the
checkstand.
High Surface
Correct Alignment
High Surface
Low Surface
Low Surface
Bad Alignment
Scanner Too High
Bad Alignment
Scanner Too Low
14231
Checkpoint Cable
If you are installing a RealScan 7882 Scanner with the Checkpoint feature on a Vertical
Mounting Bracket, route the Checkpoint Cable along side the Interface Cable.
Note: If the installation includes the Checkpoint feature, a representative from
Checkpoint must connect the Checkpoint Cable to the Checkpoint equipment after you
install the RealScan 7882.
Cable Clamps
The RealScan 7882 is supplied with two Cable Clamps (006-0687102). Install these
clamps under the checkstand as needed to support the cables and keep them out of the
operator’s way.
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Operating the Scanner
The NCR RealScan 7882 is a fixed position device that is not handled or moved by the
operator during operation. It is maintained and serviced by trained service personnel
only. The operator has no access to any laser module components.
The RealScan 7882 does not have a power switch. However, you turn it on and off by
using the circuit breaker switch, located in the checkstand, that supplies power to the
unit. Be sure this switch is in the On position.
The Red Indicator is on when the RealScan 7882 is ready. When the scanner reads a bar
code, the Red Indicator turns off and the Green Indicator turns on. Nothing happens if
the bar code is not read. The correct way to do pass-by scanning is to just slide the item
past the scan window without lifting the item. With presentation scanning, you lift the
item, move it straight toward the scan window, then bring the item back away from
the scanner.
Red/Green Status Indicator
Motion Detector
Item Flow
Horizontal Mount In Counter
Scan Window
Table Top Mount
Vertical Mount
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Cleaning the Scanner
Keeping the scan windows clean helps keep the read rate exceptionally high. During
normal operation the scan windows get dirty, and if you permit the dirt to accumulate,
performance degrades to the point where the scanner cannot read bar codes. Use a soft
cloth to clean the scan windows, using a common, non-abrasive, liquid window
cleaner. Be sure to spray the cleaner onto the cloth, not directly onto the scanner.
Wiping Action
15937
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Correcting Scanner Problems
When the RealScan 7882 is first turned on, several diagnostic tests are run to check the
status of various components. If a failure occurs, a series of beeps and flashes of the
Green Status Indicator identify it. The number of beeps (flashes) identifies the problem.
The problem indication is repeated continuously with a 3-second pause between each
indication series. Following the first problem indication, the beeps are turned off and
only the Green Status Indicator flashes to identify the problem.
If the diagnostics identify a problem, you must have the scanner repaired. Refer to
Obtaining Technical Assistance at the front of this document. Although several
conditions can be identified, following are the most common.
Green
Status
Indicator
2 Flashes
5 Flashes
Tones
2 Beeps
5 Beeps
Problem
Suspect Component
RAM – Write / Read failure
Motor running too slow
Printed Circuit Board
•
•
Motor
Printed Circuit Board
6 Flashes
6 Beeps
EEPROM failure – cannot
load contents into memory
Printed Circuit Board
12 Flashes
12 Beeps
ROM sum check failure
Printed Circuit Board
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There are other conditions that are not identified by the diagnostics when you turn on
the RealScan 7882. The following chart identifies some of the more common problems.
Status
Indicators
Possible
Cause
Problem
Tone
Corrective Action
Scanner does not Red Off
Off
No power to the unit
•
Check the
operate
Green Off
electrical outlet
for proper power
Verify that AC
Power Cord is
properly
•
connected
Scanner is quiet
Red & Green Off
flashing
Sleep mode
•
Pass anything in
front of the
continuously
Scanner reads only Red flashing Off
two labels Green Off
motion detector
Verify that IBM
host is turned on
Verify that IBM
host is
Communications is
IBM 468x and scanner
is off-line
•
•
recognizing the
RealScan 7882
Verify that the
interface cable is
properly
connected
Check for
expected
communication
protocol
•
•
•
Scanner reads only Red On
two labels Green Off
Off
RealScan 7882 is not
communicating with
the host
Check host
terminal for
proper operation
Check interface
cable connections
Terminal should
enable scanner
later in the
•
•
Scanner does not Red flashing Off
read any labels rapidly
Scanner has been
disabled by the host
terminal
transaction
Scanner does not Red On
read any labels Green Off
Off
Internal failure
•
•
Remove power
from
RealScan 7882
and then supply
again
Have scanner
repaired
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Interface Information
Interface Connector
Complies with FDA radiation
Performance standards 21
CFR Subchapter J.
VCCI-1
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received
including interference that may cause undesired operation.
This apparatus does not exceed the Class
A
limits for
radio noise emissions set out in the Radio Interference
Regulations of Canada.
Horizontal
Vertical
Le présent appareil
ñ
émet pas de bruits radioeléctriques
prescrites dans le
Ground Lug
depassant les limites de la Classe
A
Reglement sur le brouillage radioeléctrique du Canada.
One or more of the U.S. Patents listed below apply:
4,868,375 4,797,551 4,851,667 4,235,018
4,272,675 4,282,426, 4,679,154 5,194,722
5,276,316 5,334,825 5,262,625 5,256,865
5,144,114 5,065,842 5,023,818 5,459,310
5,588,621 5,661,297 5,773,767 5,975,417
NCR Corporation
Duluth, Ga.30096
.
10
1
Pin
OCIA
IBM
RS-232
WEDGE
1
2
3
4
5
6
7
8
9
RDATARTN
RDATA/
SDATA/
CLKOUT/
CLKIN/
TERMRTN
NC
NC
NC
GND
NC
NC
NC
NC
NC
NC
+12Vdc (IN) OR DSR (IN)
DTR (OUT)
TXD (OUT)
RTS (OUT)
CTS (IN)
NC
KBCLK/
NC
NC
NC
NC
PCCLK/
PCDATA/
RXD (IN)
TMPWR NC
TRA
TRB
GND
NC
NC
GND
10
19013
Most Common Interface Cables
•
•
•
•
•
•
•
1416-C011-0040 OCIA Single Cable
1416-C019-0040 RS-232 to PC
1416-C020-0040 IBM port 17
1416-C070-0040 IBM port 9A/ 9E
1416-C142-0040 IBM port 5B
1416-C653-0040 RS-232 powered from NCR7448/ 7451 POS
1416-C676-0030 PS/ 2 Keyboard wedge
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Communications Protocol
The Communications Protocol function identifies the communications protocol the
RealScan 7882 is using. Scan the Diagnostics Mode and Hex 3 programming tags
(must be first tags scanned after applying power). Three beeps sound after scanning
the Hex 3 tag, identifying the programming tag. Next, the Status Indicator flashes
green and a series of beeps sound that identify the communications protocol. Use the
following table to determine the communication protocol.
Tone
Communication Protocol
OCIA NCR Short / Datachecker
OCIA NCR Long
OCIA Non-NCR
IBM 468x (4A)
IBM 468x (4B)
1 Beep (Short high pitched)
1 Beep
2 Beeps
3 Beeps
4 Beeps
6 Beeps
7 Beeps
10 Beeps
11 Beeps
RS-232
OCIA Single-Cable
Keyboard Wedge
Casio / OCIA Non-NCR
Scan the Hex 3 tag to repeat; remove power to end.
Programming Worksheet
1 0
COMMUNICATIONS PROTOCOL
Protocol
0
1
3
4
5
OCIA
OCIA
IBM
IBM
RS-232
NCR Short NCR Long Slot Scanner Hand-Held
(Datachecker)
Bar Code
Reader
6
A
B
OCIA
Single Cable
Keyboard
Wedge
IBM 1520
Bar Code
Reader
19020A
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NCR RealScan 7882
Specifications
Checkstand Hole –
RealScan 7882 Horizontal Mount
A
B
Item Flow
B
D
D
C
C
E
E
SIDE VIEW
Features
A
B
C
D
E
F062
8 5/8 in.
21.91 cm
8 5/8 in.
21.91 cm
1/16 in.
0.16 cm
1 1/16 in.
2.70 cm
1/2 in.
1.27 cm
K011 (7852 Mount)
K010 (7820 Mount)
9 5/8 in.
24.45 cm
11 5/16 in.
28.73 cm
1/16 in.
0.16 cm
1 1/16 in.
2.70 cm
1/2 in.
1.27 cm
20 1/8 in.
51.12 cm
11 5/8 in.
29.53 cm
1/16 in.
0.16 cm
13/32 in.
1.03 cm
7/16 in.
1.11 cm
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Checkstand Hole –
RealScan 7882 Flat Mount
A
B
Item Flow
B
D
D
C
C
SIDE VIEW
Features
A
B
C
D
K012
8 3/4 in.
22.22 cm
8 3/4 in.
22.22 cm
1/16 in.
0.16 cm
1/16 in.
0.16 cm
11993
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Ventilation Requirements
The RealScan 7882 Scanner/ Scale is designed to operate without an exhaust fan in the
checkstand; however, there must be adequate convection air flow. The ambient
temperature inside the checkstand cannot be higher than 104° F (40° C). Also, the
ambient temperature inside the checkstand cannot be higher than 12.6° F (7° C) above
the ambient temperature outside the checkstand. For example, if the ambient
temperature outside the checkstand is 76° F (24.4° C), the ambient temperature inside
the checkstand cannot be greater than 88.6° F (31.4° C). If the checkstand contains other
heat producing equipment, you may need to use forced air to keep the temperature
within the specified range. However, air coming into or leaving the checkstand
MUST NOT enter or exit past the RealScan 7882 Scanner/ Scale.
Electrical Wiring
Belt Control
Lighting
Misc. Equip.
Belt
Motor
Input
Voltage
L3
N
G
Conduit
Circuit A: Checkstand
Main Service
Panel
Checkstand
Frame
Note: The electrical wiring must meet all
Neutral and
Ground Bus
electrical codes, laws, and regulations.
Feeder wiring and insulated ground from
main service panel to distribution panel
to be run in metal conduit.
Circuit Breakers
Isolated/Insulated
Ground Bus
NCR circuits should be run in
separate metal Conduits.
Note: NCR circuits must be dedicated to
NCR equipment or other logically
connected electronic equipment
(modems, DAA, bridges, etc.)
L1
Circuit B: Terminal
L2
Circuit C: Scanner
Neutral
Bus
Receptacle should be easily
accessible and near the scanner
Distribution Panel
Isolated Ground Receptacles
Installation Type
Input Voltage
L1, L2
Circuit Breakers
U.S., Canada, &
Japan
100Vac to 120Vac 100Vac to 120Vac
220Vac to 240Vac 220Vac to 240Vac
Standard single-pole; value
determined by type of device
branch and by electrical code.
International
European
220Vac
220Vac
European double-pole.
20254
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Programming Worksheets
1 0
Protocol
COMMUNICATIONS PROTOCOL
0
1
2
3
4
5
OCIA
OCIA
OCIA
IBM
IBM
RS-232
NCR Short NCR Long
(Datachecker)
Non-NCR Slot Scanner Hand-Held
Dual Cable
Bar Code
Reader
6
A
B
Keyboard
Wedge
IBM 1520
Bar Code
Reader
OCIA
Single Cable
19020A
1 1
GOOD READ TONE
Tone On/Off
A
0
1
Off
On
When entering Tone Frequency, the adjustment can be
incremented upward by scanning the Hex B tag. Each
time you scan the Hex B tag, the tone frequency
increases one unit. Scan the End tag or a valid Hex tag
to end this mode.
Tone Frequency
(Hertz)
B
B
C
D
E
When entering Tone Length, the adjustment can be
incremented upward by scanning the Hex C tag. Each
time you scan the Hex C tag, the tone length
increases one unit. Scan the End tag or a valid Hex tag
to end this mode.
Tone Length
(Milliseconds)
C
D
E
When entering Tone Volume, the adjustment can be
incremented upward by scanning the Hex D tag. Each
time you scan the Hex D tag, the tone volume
increases one unit. Scan the End tag or a valid Hex tag
to end this mode.
Tone Volume
When entering Not On File Tone Volume, the adjustment
can be incremented upward by scanning the Hex E tag.
Each time you scan the Hex E tag, the tone volume
increases one unit. Scan the End tag or a valid Hex tag
to end this mode.
Not On File
Tone Volume
19021A
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1 2
TIMERS
Lockout Time
(Milliseconds)
A
B
C
0
1
2
3
4
5
6
7
450
600
750
900
1050
1200
1350
1500
Restart
Lockout Timer
0
1
Off
On
Active Time
(Minutes)
0
1
2
3
0
15
30
60
19022A
1 3
A
BAR CODES - 1
UPC/EAN
0
1
Disable Enable
Version D
B
C
0
Disable
Extend UPC-A
To EAN-13
0
1
Disable Enable
Extend UPC-E
To UPC-A
D
E
0
1
Disable Enable
Periodical Codes
0
1
Disable Enable
Periodical Code
Extension
0
1
2
2-Digit 5-Digit 2-Digit &
Only
Only
5-Digit
Send Data
0
1
2
Data As
Decoded
Periodical Code
Data Only
CF Hex
If Periodical Data
Not Decoded
19023A
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1 4
BAR CODES - 2
Code 39
A
0
1
Disable Enable
Default
Minimum Characters Allowed
Full ASCII
B
C
2 - F
0
8
1
Disable Enable
Check Digit Present
Transmit Check Digit
D
E
0
1
Disable Enable
0
1
Disable Enable
Allow 1- or 2-Character Tags
F
0
1
Disable Enable
19024A
1 5
BAR CODES - 3
Interleaved 2 of 5
A
0
1
Disable Enable
Bar Code Length
B
0
1
Range Specific
Check Check
Characters
Minimum
Value 1
Value 2
0 - 5
0 - 9
Character 1 Character 2
Default
0 8
Characters
Maximum
0 - 5
0 - 9
Character 1 Character 2
Default
0 6
Check Digit Present
Transmit Check Digit
C
D
0
1
Disable Enable
0
1
Disable Enable
19025A
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1 7
BAR CODES - 4
Code 128
A
0
1
Disable Enable
Minimum Data Characters Allowed
UCC 128
B
C
1
0
2
1
3
4
5
Disable Enable
19026A
1 6
LABEL IDENTIFIERS
Identifier Type
A
0
2
3
Default Prefix
None
Unique Prefix
Common Byte 1
Default
Default
B
C
D
0 - 7
0 - 7
5
D
2
Hex Character
(ASCII Code Chart) (ASCII Code Chart)
Hex Character
Common Byte 2
Bar Code Type
0 - 7
0 - 7
4
Hex Character
(ASCII Code Chart) (ASCII Code Chart)
Hex Character
0
2
3
4
UPC-A
UPC-E
EAN-8
EAN-13
5
6
7
Code 39
Code 128 Interleaved
2 of 5
Common Byte
0
1
2
3
None
Common Byte 1 Common Byte 2 Both Common Bytes
Common Byte and
Unique Identifier Defaults vary
according to Bar Code Type
Unique Identifier
0 - 7
0 - F
Hex Character
Hex Character
(ASCII Code Chart) (ASCII Code Chart)
19027A
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2 0
RS-232 PARAMETERS - 1
Baud Rate
A
B
C
0
1
2
3
4
5
6
300
600
1200
2400
4800
9600
19200
Parity
0
1
4
Odd
Even
None
Stop Bits and
0
1
2
3
Character Length
1 Stop Bit
1 Stop Bit
2 Stop Bits
2 Stop Bits
7-Bit Character 8-Bit Character 7-Bit Character 8-Bit Character
Handshake
C
0
1
2
RTS Low
RTS High
Raise RTS
CTS Ignored
CTS Ignored
Wait for CTS
3
4
5
Raise RTS
Ignore CTS
RTS Low
Wait for CTS
RTS High
Wait for CTS
19028A
2 1
RS-232 PARAMETERS - 2
BCC Options
A
B
C
0
1
Disable Enable
Interface Control
Check Digit
0
1
2
3
5
Odd ACK/NAK XOn/XOff ACK/NAK & XOn/XOff Special ACK/NAK
0
1
2
3
Disable UPC-A Enable UPC-A Disable UPC-A Enable UPC-A
Disable EAN-8 Enable EAN-8 Disable EAN-8 Enable EAN-8
Disable EAN-13 Enable EAN-13 Disable EAN-13 Enable EAN-13
Disable UPC-E Disable UPC-E Enable UPC-E Enable UPC-E
Check Digit parameter also applies to UPC-E
when using OCIA communications.
Note:
19029A
2 2
RS-232 RREFIX BYTE
Prefix Byte
A
0
1
Disable Enable
ASCII Code
Default
B
0 - 7
0 - F
0
2
Hex Character
Hex Character
(ASCII Code Chart) (ASCII Code Chart)
19030A
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2 3
RS-232 TERMINATOR BYTE
Terminator Byte
A
0
1
Disable Enable
ASCII Code
Default
B
0 - 7
0 - F
0
3
Hex Character
Hex Character
(ASCII Code Chart) (ASCII Code Chart)
19031A
2 4
RS-232 COMMUNICATIONS OPTIONS
Message Delay
0
1
2
No Delay
10ms Delay
50ms Delay
Normal or
6
7
Eavesdrop Mode
Normal
Eavesdrop
19032B
3 2
MISCELLANEOUS PARAMETERS
IBM Tone Control
3
4
(Good Read Tone Control)
Disable Enable
IBM Rexmit Control
IBM Tag Data Format
7
8
3 Times Forever
E
F
Hex
ASCII
19033B
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NCR RealScan 7882 Installation and Owner Guide
ASCII Code Chart
ASCII Code Chart
00 NULL 10 DLE
20 SP 30
0
1
2
3
4
5
6
7
8
9
:
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
@
A
B
C
D
E
F
50
51
52
53
54
55
56
57
58
59
5A
5B
5C
5D
5E
5F
P
Q
R
S
T
U
V
W
X
Y
Z
[
60
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
70
71
72
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
p
q
r
01 SOH
02 STX
03 ETX
04 EOT
05 ENQ
06 ACK
07 BEL
08 BS
09 HT
0A LF
11 DC1
12 DC2
13 DC3
14 DC4
15 NAK
16 SYN
17 ETB
18 CAN
19 EM
1A SUB
1B ESC
1C FS
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
!
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
a
b
c
d
e
f
"
#
$
%
&
'
s
t
u
v
w
x
y
z
{
G
H
I
g
h
i
(
)
*
+
,
J
j
0B VT
0C FF
;
K
L
k
l
<
=
>
?
\
|
0D CR
0E S0
1D GS
1E RS
-
M
N
O
]
m
n
o
}
.
^
~
0F S1
1F US
/
_
7F DEL
R0040
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Regulatory Information
Federal Communications Commission (FCC)
Radio Frequency Interference Statement
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference
in which case the user is required to correct the interference at his own expense.
Information to User: This equipment must be installed and used in strict accordance
with the manufacturer’s instructions. However, there is no guarantee that interference
to radio communications will not occur in a particular commercial installation. If this
equipment does cause interference, which can be determined by turning the equipment
off and on, the user is encouraged to consult an NCR service representative
immediately.
Caution: NCR is not responsible for any radio or television interference caused by
unauthorized modifications of this equipment or the substitution or attachment of
connecting cables and equipment other than those specified by NCR. Such
unauthorized modifications, substitutions, or attachments may void the user’s
authority to operate the equipment. The correction of interference caused by such
unauthorized modifications, substitutions, or attachments is the responsibility of the
user.
Voluntary Control Council for Interference (VCCI)
Radio Frequency Interference Statement
16105
Canadian Department of Communications
Radio Frequency Interference Statement
This digital apparatus does not exceed the Class A limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Canadian
Department of Communication.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de la Class A prescrites dans le
Règlement sur le brouillage radioélectriques édicté par Ministère des Communications
du Canada.
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NCR RealScan 7882 Installation and Owner Guide
Identification Labels
The Identification Labels are molded into the bottom of the cabinet. They provide
necessary information about the unit: power requirements, radio interference
information, and applicable NCR patents.
ComplieswithFDAradiation
Performance standards 21
CFRSubchapterJ.
VCCI-1
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received
including interference that may cause undesired operation.
This apparatus does not exceed the Class
A
limits for
radio noise emissions set out in the Radio Interference
Regulations of Canada.
Horizontal
Vertical
Le présent appareil
ñ
émet pas de bruits radioeléctriques
depassant les limites de la Classe prescrites dans le
A
Reglement sur le brouillage radioeléctrique du Canada.
One or more of the U.S. Patents listed below apply:
4,868,375 4,797,551 4,851,667 4,235,018
4,272,675 4,282,426, 4,679,154 5,194,722
5,276,316 5,334,825 5,262,625 5,256,865
5,144,114 5,065,842 5,023,818 5,459,310
5,588,621 5,661,297 5,773,767 5,975,417
NCR Corporation
Duluth, Ga.
30096
.
Complies with FDA radiation
Performance standards 21
CFR Subchapter J.
VCCI-1
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received
including interference that may cause undesired operation.
This apparatus does not exceed the Class A limits for
radio noise emissions set out in the Radio Interference
Regulations of Canada.
Horizontal
Vertical
Le présent appareil ñ émet pas de bruits radioeléctriques
depassant les limites de la Classe A prescrites dans le
Reglement sur le brouillage radioeléctrique du Canada.
One or more of the U.S. Patents listed below apply:
4,868,375 4,797,551 4,851,667 4,235,018
4,272,675 4,282,426, 4,679,154 5,194,722
5,276,316 5,334,825 5,262,625 5,256,865
5,144,114 5,065,842 5,023,818 5,459,310
5,588,621 5,661,297 5,773,767 5,975,417
NCR Corporation
30096
Duluth, Ga.
.
18548
CE Mark Applicability
This product conforms to the requirements of the following European Union (EU)
New Approach Directives.
•
•
89/ 336/ EECEMC
73/ 23/ EECLow Voltage
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Declaration of Conformity
We, NCR Corporation, Retail Solutions Division Atlanta, 2651 Satellite Boulevard,
Duluth, Georgia, 30096-5810, U.S.A., declare under our sole responsibility that the
product NCR RealScan 7882 Bar Code Scanner to which this declaration relates is in
conformity with the following standard or other normative document following the
provisions of the noted Directives.
EU Directive
Harmonized Standard(s)
89/ 336/ EEC (EMC)
EN 55022: 1994 + A1 (1995) + A2 (1997)
EN 50082-1, Part 1 (1992)
IEC 801-2: 1984, Severity Level 3
IEC 801-3: 1984, Severity Level 2
IEC 801-4: 1988, Severity Level 2
EN 60950: 1992 A1, A2, A3, A4, and A11
EN 60825-1: 1993+A1+A2
72/ 23/ EEC (Low Voltage)
Director of Quality Assurance
NCR Corporation
RSD-Atlanta
European Contact
EU Patent Attorney
NCR Limited
2651 Satellite Boulevard
Duluth, GA 30096-5810
U.S.A.
206 Marylebone Road
London NW1 6LY
England
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Laser Safety
The NCR RealScan 7882 is not intended for long-term viewing of the direct laser light.
However, the unit is safe if used as it was intended.
Note: The NCR RealScan 7882 is a CDRH Class IIa and IEC Class 1 Laser Product
Laser Safety Label
Appareil à Laser de classe IIa Eviter
Toute Exposition Prolongeè de la vue
à la lumierè laser directe.
Producto Laser de Clase IIa. Evite la
Exposiciòn Prolongada de la vista a
la Luz del Rayo Laser.
(IEC CLASS 1 LASER PRODUCT)
CDRH
Class IIa Laser Product - Avoid
Long-Term Viewing of Direct Laser Light.
Product Laser Classe IIa. Evite othar directamente os raios laser por muita tempo.
Appareil
LASER PRODUCT)
à
Laser de classe IIa Eviter
(IEC CLASS
1
Toute Exposition Prolongeè de la vue
à
la lumierè laser directe.
CDRH
Producto Laser de Clase IIa. Evite la
a
Class IIa Laser Product
- Avoid
Exposiciòn Prolongada de la vista
la Luz del Rayo Laser.
Long-Term Viewing of Direct Laser Light.
18546
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Laser Module Label
This laser module
does not comply
with 21CFR1040.
USE ONLY AS A
COMPONENT.
18547
Laser Power
The NCR RealScan 7882 meets the following laser power requirements.
•
•
•
Class 1 EN 60825-1: 1994 (Europäische Norm)
Class 1 IEC 825-1: 1993 (International Electrotechnical Commission)
Class IIA CDRH (Center for Devices and Radiological Health) FDA, U.S.A.
Following is the radiant energy of the laser light as applied to each of the specified
requirements.
Maximum Radiant Power (CDRH Calculation)
Maximum Radiant Power (EN 60825-1 / IEC Calculation)
Accessible Emission Limit (CDRH Calculation)
2.7 Microwatts
0.82 Milliwatts
3.9 Microwatts
Accessible Emission Limit (EN 60825-1 / IEC 825-1 Calculation) 0.80 Milliwatts
Warning – Use of controls or adjustments or performance of procedures other than
specified herein may result in hazardous radiation exposure.
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Programming Tags
Volume Adjustment
Reset
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Default
Programming Mode
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End
Save and Reset
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Abort
Diagnostic Mode
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RS-232 Temporary Service Mode
Mode 1
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Mode 2
Reset Tallies
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Hex 0
Hex 1
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Hex 2
Hex 3
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Hex 4
Hex 5
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Hex 6
Hex 7
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Hex 8
Hex 9
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Hex A
Hex B
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Hex C
Hex D
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Hex E
Hex F
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Copyright © 2001, 2002 by NCR Corporation
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