REA ScanCheck 3n User manual

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REA ScanCheck 3n
Bar Code Verification Unit
Operating Manual
Document Version 1.1.0 -20100530-
SC3-GUI-Version from 1.0.10.7
TD-GPT-Printer version 1.20
Verifier-Version 1.0.10.14

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Table of Contents / Page 1
1. Introduction................................................................................................................. 6
1.1 Documentation Conventions ....................................................................................... 7
1.2 Safety Instructions ...................................................................................................... 7
1.3 Determination of Serial Numbers on the REA Product ................................................ 8
2. The Delivery Components of the REA ScanCheck 3n................................................. 9
3. Startup of the REA ScanCheck 3n ............................................................................ 11
3.1 Activation and Deactivation of the REA ScanCheck 3n............................................. 12
3.1.1 Reactivation of the REA ScanCheck 3n after Power Supply Failure ......................... 13
3.2 Changing Presets on the REA ScanCheck 3n .......................................................... 14
3.2.1 Standard Parameters of Factory Settings ................................................................. 14
3.2.2 Change Menu Language Selection ........................................................................... 15
3.2.3 Change Data Output Parameters.............................................................................. 16
3.3 Operating REA ScanCheck 3n with Report Printer.................................................... 17
3.4 REA ScanCheck 3n with PC Evaluation Software..................................................... 18
3.4.1 Connection of the REA ScanCheck 3n to Power Supply ........................................... 19
3.4.2 Network Installation................................................................................................... 19
3.4.2.1 Firewall ..................................................................................................................... 20
3.4.2.2 MAC Addresses........................................................................................................ 20
3.4.2.3 Technical Functionality Test of a Network Connection .............................................. 21
3.5 Use of Extension Plates on the ScanCheck 3 ........................................................... 22
3.6 Charging the Batteries .............................................................................................. 23
3.7 Storage and Transport .............................................................................................. 24
3.8 Updating Operating Software in REA ScanCheck 3.................................................. 25
3.8.1 Updating Using a USB Memory Stick........................................................................ 25
3.8.2 Updating with the "Update Program" from the REA CD-ROM ................................... 27
3.9 Calibrating the REA ScanCheck 3n .......................................................................... 29
3.9.1 Calibrating the REA ScanCheck 3n for 6, 8 and 10 mil Apertures ............................. 30
3.9.2 Calibrating the REA ScanCheck 3n for 20 mil Aperture............................................. 31
3.9.3 Verification Tool Monitoring....................................................................................... 32
3.9.3.1 Allowable Unit Tolerances......................................................................................... 32

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Table of Contents / Page 2
4. Operation of the REA ScanCheck 3n........................................................................ 34
4.1 Handling of the REA ScanCheck 3 ........................................................................... 34
4.1.1 Instructions for Correct Execution of Code Evaluations............................................. 35
4.2 First Measurement of Bar Codes .............................................................................. 36
4.2.1 Depiction of a Code Evaluation on the REA ScanCheck 3........................................ 37
4.2.1.1 Quick Display with LED and Acoustic Signaling ........................................................ 37
4.2.1.2 Evaluation of an ISO/IEC 15416 Verification - 1st Screen......................................... 37
4.2.1.3 Evaluation of an ISO/IEC 15416 Verification - 5th Screen Optional Parameters ....... 38
4.2.1.3.1 Evaluations of an ISO/IEC 15416 - 6th Screen, Error List ......................................... 38
4.3 Adjustments / Selection of the Correct Aperture........................................................ 39
4.3.1 6, 8 and 10 mil Apertures.......................................................................................... 39
4.3.2 20 mil Aperture (Option)............................................................................................ 39
4.4 Settings / Button Functions / Setup Menu ................................................................. 42
4.4.1 General Button Assignments and Operating Functions............................................. 42
4.4.2 Buttons with Special Functions ................................................................................. 44
4.5 Setup Menu Structure ............................................................................................... 46
4.6 Setup Main Menu "Configuration" with 6 Sub-Menus ................................................ 46
4.6.1 Setup Sub-Menu 1 - Measurement Archive............................................................... 46
4.6.2 Setup Sub-Menu 2 Calibration .................................................................................. 47
4.6.3 Setup Sub-Menu 3 Settings with 9 Additional Sub-Menus......................................... 47
4.6.3.1 Setup Sub-Menu 3 Settings - Sub-Menu 1 Code Type Selection - Code Type Tables47
4.6.3.1.1 Code Selection ......................................................................................................... 49
4.6.3.2 Setup Sub-Menu 3 Settings - 1 Code Type Selection - Additional Verification Criteria50
4.6.3.2.1 The EAN / UPC Code Family.................................................................................... 50
4.6.3.2.2 EAN-13 - Additional Verification Criteria.................................................................... 50
4.6.3.2.3 UPC-A Code - Additional Verification Criteria............................................................ 52
4.6.3.2.4 EAN-8 Code - Additional Verification Criteria ............................................................ 53
4.6.3.2.5 UPC-E Code - Additional Verification Criteria............................................................ 53
4.6.3.3 The Code 128 Family................................................................................................ 54
4.6.3.3.1 GS1-128 - Additional Verification Criteria.................................................................. 54
4.6.3.3.2 The GS1 DataBar Code Family................................................................................. 56
4.6.3.3.3 RSS / GS1 DataBar Code - Additional Verification Criteria ....................................... 56
4.6.3.3.4 The Code 39 Family.................................................................................................. 56
4.6.3.3.5 Code 39 - Additional Verification Criteria................................................................... 56
4.6.3.3.6 Code 39 – Full ASCII - Additional Verification Criteria............................................... 57
4.6.3.3.7 PZN Codes - Additional Verification Criteria.............................................................. 58
4.6.3.3.8 Codabar - Additional Verification Criteria (Optional) .................................................. 58
4.6.3.3.9 ITF-14 Code - Additional Verification Criteria ............................................................ 59
4.6.3.3.10 2/5i Code - Additional Verification Criteria................................................................. 59

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Table of Contents / Page 3
4.6.3.3.11 Plessey Code - Additional Verification Criteria ( Not Yet Available in the Current Version )60
4.6.3.3.12 MSI Code - Additional Verification Criteria ................................................................ 60
4.6.3.3.13 Pharma and Mini Pharma Code - Additional Verification Criteria............................... 61
4.6.3.3.14 Setup Menu 3 Settings - 2 Aperture .......................................................................... 61
4.6.3.3.15 Setup Menu 3 Settings - 3 Evaluation ....................................................................... 61
4.6.3.3.16 Setup Menu 3 Settings - 3 Evaluation - First Sub-Menu Page................................... 62
4.6.3.3.17 Setup Menu 3 Settings - 3 Evaluation - Second Sub-Menu Page.............................. 62
4.6.3.3.18 Setup Menu 3 Settings - 3 Evaluation - Third Sub-Menu Page.................................. 63
4.6.3.3.19 Setup Menu 3 Settings - 3 Evaluation - Fourth Sub-Menu Page ............................... 64
4.6.3.4 Setup Menu 3 Settings - 4 Unit Configuration with 8 Sub-Menus .............................. 65
4.6.3.4.1 Setup Menu 3 Settings - 4 Unit Configuration - 1 Operating Modes .......................... 65
4.6.3.4.2 Setup Menu 3 Settings - 4 Unit Configuration - 2 Output Parameters........................ 67
4.6.3.4.3 Setup Menu 3 Settings - 4 Unit Configuration - 3 Options ......................................... 69
4.6.3.4.4 Setup Menu 3 Settings - 4 Unit Configuration - 4 Date and Time .............................. 69
4.6.3.4.5 Setup Menu 3 Settings - 4 Unit Configuration - 5 Network Parameters ..................... 70
4.6.3.4.6 Setup Menu 3 Settings - 4 Unit Configuration - 6 Password...................................... 70
4.6.3.4.7 Setup Menu 3 Settings - 4 Unit Configuration - 7 Company/User Information ........... 71
4.6.3.4.8 Setup Menu 3 Settings - 4 Unit Configuration - 8 Printing Parameters ...................... 71
4.6.3.5 Setup Menu 3 Settings - 5 Code Comparator (Option Only)...................................... 72
4.6.3.6 Setup Menu 3 Settings - 6 Article Search (Option Only)............................................ 73
4.6.4 Setup Menu 5 Article Trigger (Option for Article Database)....................................... 73
4.6.4.1 Setup Menu 3 Settings - 7 RESET to Factory Settings ............................................. 73
4.6.4.2 Setup Menu 3 Settings - 8 USB Update .................................................................... 74
4.6.4.3 Setup Menu 3 Settings - 9 Language........................................................................ 74
4.6.5 Setup Menu 4 Document Editing (from Version 1.0.8.12).......................................... 74
4.6.5.1 Setup Menu 4 Document Editing "Order Number"..................................................... 75
4.6.5.2 Setup Menu 4 Document Editing "User Comment" ................................................... 75
4.6.5.3 Setup Menu 5 System Information ............................................................................ 76
5. Appendix Standards and Literature on Bar Code Verification Units........................... 77
6. Appendix Glossary of Technical Code Verification Terms ........................................ 79
7. Appendix Technical Data - REA ScanCheck 3n........................................................ 82
7.1 Appendix Technical Data - PoE Power Supply / Charger for REA ScanCheck 3n.... 84

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Table of Contents / Page 4
8. Intellectual Property Provision................................................................................... 85
9. Environmental Protection .......................................................................................... 85
10. Appendix - Warranty Terms ...................................................................................... 86
11. Appendix - CE Conformity Statement for REA ScanCheck 3 .................................... 87
12. Appendix ISO/IEC Conformity Certificate for REA ScanCheck 3............................... 88
13. Appendix - Conformity Confirmation for Verifier Calibration Card.............................. 89

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1. Introduction
The REA ScanCheck 3n is a mobile bar code verification unit for zero-contact inspection of the quality
of printed linear and stacked bar codes. It can be used in a portable manner on site for quick
evaluation. The verification result "good" or "error" is represented both by acoustic signals and visually
by means of multi-colored LED displays. The detailed measurement results can be stored in the
internal memory and shown on the color display. The evaluations can also be printed out with an
optionally available record printer. With the optional expansion, the ScanCheck3 can also be
connected to a PC with the REA TransWin32 software for remote control and evaluation via network
cable.
The important details of the evaluations can be read on the color display.
The arrow buttons can be used to page forward and back to additional menu fields or screen pages.
The additional detailed information can be provided via the printing of records. The unit is consequently
well suited for use in printing process control and quality control of codes on products in goods
receiving.
For evaluating film masters, applicability is limited to the reading and decoding of codes and
comparison of their content with a template.
All bar code evaluation units from REA Elektronik GmbH offer code evaluation according to the
ISO/IEC 15416 standard. The measurement and evaluation of additional, optional parameters is
additionally available. With these evaluation parameters (previously called traditional measurement
values), more detailed requirements can be evaluated, particularly for optimization of the printing
process.
Evaluations according to ISO/IEC 15416 are also known as CEN or ANSI evaluations and are also
described as ISO evaluations. In North America, the standard methods ANSI X3 182-1990 and
ANSI/UCC5 apply. The European standard EN 1635 has meanwhile been retracted (CEN evaluation).
The measurements, formerly called "traditional evaluation," are replaced by the optional parameters.
Optional parameters are based on the respective symbology standards. For EAN/UPC codes, for
example, this is the standard ISO/IEC 15420. The evaluation of optional parameters can be
categorized in classes, as in ISO/IEC 15416. This enables one to obtain a clear evaluation result,
based on previously specified, individual quality requirements.

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1.1 Documentation Conventions
In order to be able to clearly represent complicated subject matter, a special depiction was selected for
each of specific processes.
•If a specific button is to be pressed or a selection made from a list, this is described in angle
brackets: <Tab>
•Buttons to be pressed in sequence are placed adjacent to one another in the textual depiction:
<Menu> <8> <OK>
•Program names and window titles are printed in bold
•Text inputs are shown in square brackets: [File Name]
•Upon calling up programs, the program names (bold) are not set in square brackets. Any text inputs
(parameter/path/file name...) related to the program call, however, are in square brackets for
identification: BCT_SEND [File Name]
•The calling of executable files (file extension: EXE and BAT) is normally completed with the <OK
Enter> button. In order to increase comprehensibility of the depiction, "…process is
started/confirmed with <Enter>" is omitted on the depiction and explanation in most cases
•Cross-references to other chapters are set in " " and printed in italics: (See Chpt. "xxx" page xx)
Warning notices indicate operations that must be observed in order to protect the operator, the
unit and the data from damage. They are specially highlighted in a frame.
Good to know
Information that is important for better understanding and correct handling are supplied with
this symbol and shown in a frame.
1.2 Safety Instructions
This REA product was correspondingly developed, manufactured and inspected before delivery in
consideration of the current safety requirements of the corresponding standards for electrical safety. As
with any electrical device, it is important to know the possible risks and to operate it correctly. The
safety instructions were created in order to effectively protect the operator and other people nearby
from possible damage.
Before starting and operating the REA product, be sure to read and observe the operating instructions
and especially the safety instructions very carefully.

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1.3 Determination of Serial Numbers on the REA Product
For contact with the manufacturer or a system partner, it is important to
indicate the precise type and the serial number of the affected REA
product. This information can be found on the company label on the
hardware together with the article number.
Please notate this information on your delivery documents and always
use it when corresponding with REA Elektronik or an authorized system
or service partner.
If the unit is already in operation, the system information can be called
up from the Setup menu via the menu item "5 System Info."
Button sequence: <Setup> <5 Systeminfo>
Version of operating program (GUI software)
Version of core operating software
Version of verifier evaluation software
Serial number of the unit. 0030.207.106-0XXXX-X
This should be identical to the serial number on the ID plate.
The unit name: Standard: SC3_Master
User name: Standard: SC3 User

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2. The Delivery Components of the REA ScanCheck 3n
In the standard version, the REA ScanCheck 3n is supplied in the following configuration and always in
a specialized transport box with form insert.
A REA ScanCheck 3n consists of the following components
(Network PoE version from May 2009):
•Bar code verification unit REA ScanCheck 3n
•Calibration card for white balance and code size calibration incl. protocol of a reference
measurement for verification tool monitoring
•Operating manual (this document)
•Transport box with special fitted foam, optional transport case
•Four rechargeable Mignon NiMH AA batteries (already installed in the REA ScanCheck 3's
battery compartment)
•1 PoE power supply (100 - 240 volts~; 0.4A; 50-60Hz~) with cold unit socket according to
IEC-60320 C5 / C6
•Power connection cable with cold unit plug and power plug for the standard ordered (Euro, UK,
USA)
•2 network cables, highly flexible, RJ45 CAT5, approx. 2 m long
•1 cross-over adapter for using a network cable with rotated connections
•1 CD-ROM with all REA Verifier documents and program files
A REA ScanCheck 3 consists of the following components (USB version up to May 2009):
•Bar code verification unit REA ScanCheck 3
•Calibration card for white balance and code size calibration incl. protocol of a reference
measurement for verification tool monitoring
•Operating manual (this document)
•Transport box with special fitted foam, alternatively transport case
•Four rechargeable Mignon NiMH AA batteries (already installed in the REA ScanCheck 3's
battery compartment)
•Universal plug power supply (100 - 240V), secondary 9V, with connection cable with low
voltage hollow plug socket
•Primary plug adapter (EURO, UK or US according to delivery country, already installed)
•Connection cable for data interface and charge unit (cable with CompShield plug, hollow plug
and USB plug, type A)

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Options / Alternatives (only present if ordered, see delivery note)
Hardware:
•Extension plate made of Plexiglas with 82.5 mm cut-out
•Extension plate made of Plexiglas with 175 mm cut-out
•20 mil adapter for using the 20 mil aperture function
•Portable protocol printer, type TD-GPT-U with 2 rolls of thermal paper
•Connection cable for protocol printer
•Power supply for protocol printer
•Unit case in place of cardboard packaging, black, plastic
Software:
•REA TransWin32 PC program with operating manual for capturing, evaluation and saving
measurement protocols on a PC with MS-WINDOWS operating system;
this program is most often used as an alternative to the protocol printer (internal software option
usable via activation code)
•Article database software with operating manual (internal software option usable via activation
code)
•Code comparator function (internal software option usable via activation code)
•Optional code types (internal software option usable via activation code)
All software options can be freely activated and operated exclusively with the serial number of a REA
ScanCheck 3n. A REA ScanCheck 3n will not work with TransWin32 software or another software
option without the corresponding activation code if the activation key is not correct.
The license key is inseparably linked to the respective REA ScanCheck 3n.
Software options that are provided with a new unit are made available before delivery and require no
additional license key for activation.

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3. Startup of the REA ScanCheck 3n
Special installation on the REA ScanCheck 3n is no longer required. It is delivered ready to operate.
The unit is configured for a standard presetting and can inspect and evaluate most code types
according to the GS1 standard requirements immediately after activation.
The four NiMH batteries provided have an especially low discharge rate.
They are already installed in the battery compartment before delivery.
It is also possible to use 4 Mignon primary batteries instead of the 4 batteries.
In the case of heavily discharged batteries and no power supply
connection, the REA ScanCheck 3n can be activated briefly after
startup. The activation process is interrupted and the unit shows no
further response. In this case, the batteries are probably empty or
even incorrectly installed.
There is continuous monitoring of battery voltage during operation
with rechargeable (or non-rechargeable) batteries.
When the voltage reaches a critical threshold, an electronically
monitored charging process is started or completed.
If the operating voltage value sinks below a critical threshold, the unit
outputs a corresponding warning message and ends the operating
program, saving the settings.
Attention:
If the REA ScanCheck 3n is operated by non-rechargeable batteries instead of rechargeable
batteries, the power supply must never be connected. Connection of the power supply will lead
to destruction of the batteries and, with a high degree of probability, to the destruction of the
unit as well.
Any manufacturer's warranty is thereby voided.
When the PoE power charger is correctly connected, the recharging of the rechargeable batteries
takes place automatically and is monitored electronically (see also Chapter 3.4.1). Over-charging or
over-heating is monitored and prevented by corresponding protection circuits.
If the unit is operated during the charging process, the complete charging of the rechargeable batteries
will take correspondingly longer than it would with the unit deactivated.
The unit also operates properly if no rechargeable batteries are installed, only one cell is missing but
the power supply is correctly connected and connected to the mains voltage.
Upon removal of the connection cable, however, all programs will immediately end without saving data
or settings and without pre-warning.
If the rechargeable batteries are heavily discharged, there is risk that the rechargeable batteries will not
be recognized by the charging circuit (charging LED remains off). In this case, the rechargeable
batteries must be replaced. In some cases, the rechargeable batteries can be reactivated by an
external charger with single-cell charging.

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3.1 Activation and Deactivation of the REA ScanCheck 3n
The device is activated by pressing the red <ON> button.
Upon initial activation, the green "On LED" lights up. It takes 30-50
seconds until all programs are initialized. Only then does the main screen
appear as shown at right.
Once the REA ScanCheck 3 has been activated, it can be deactivated by
pressing the <ON> button again.The display then opens the menu window
for various modes.
The colored focus can be moved to the desired command with the arrow
keys and then confirmed with the <OK Enter> button.
The digit in front of the menu item can also be activated by pressing the
corresponding number button <1...6> and thereby immediately initiating the
desired function.
1. Sleep Mode
Sets the unit to a power-saving sleep mode in which the display
and other drivers are deactivated and the processor continues to
operate at the lowest power consumption.
It can be immediately reactivated from this mode by pressing the
<ON> button. The sleep mode should be activated automatically
via the unit settings after a pre-specified time in order to save
power in rechargeable battery mode.
2. Shut down device
Completely deactivates the unit and closes all programs. You
should select this function when the unit will not be used for an
extended period, such as at the end of measurements or work day.
A minor amount of energy is also required from the rechargeable
batteries or power supply in this operating mode.
3. Reboot device
A restart of the complete system can be carried out with this menu
item. Executing this command can be helpful if the unit no longer
responds as expected.
4. Terminate GUI (Graphical User Interface)
This can be used to close the program for the graphical user
interface. Execution of this command is only useful for service
purposes.
The REA ScanCheck 3n display becomes black/white.
The operating system only displays the text line editor. This then
responds only to corresponding text commands.
The cursor blinks at the first position of the entry field after
indication of the operating system version number
(0.9 in this case)
#_
Entering the following command sequence can restart the GUI:
<1>, <OK Enter>.
The restart takes several seconds.

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The REA ScanCheck 3n can also be completely deactivated from this menu with the key
sequence <ON>, <OK Enter>.
If a software update is carried out with a USB memory stick in this operating mode, this can be
started with the command sequence <6>, <OK Enter>.
5. Reboot Verifier
With this menu item, the verifier program for the code evaluation can also be restarted. A
restart can be useful if, for example, data communication with the PC program no longer
responds normally.
3.1.1 Reactivation of the REA ScanCheck 3n after Power Supply Failure
If the unit is suddenly disconnected from power, such as by removal of one of the batteries, by deep
discharging or by separation of the mains supply in an operating mode without installed
batteries/rechargeable batteries and without proper closing of programs, the unit cannot be restarted
immediately upon first pressing the red <ON> button.
Upon initial activation after a crash of this kind, all improperly closed programs must first be reinitialized
and properly closed. The screen then remains dark, the green "On LED" goes out and the unit remains
deactivated.
The unit is not properly started until pressing the red <ON> button again.
The green "ON LED" lights up and after the activation delay, the unit operates properly again.

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3.2 Changing Presets on the REA ScanCheck 3n
The REA ScanCheck 3 is configured to a standard
configuration, the "factory settings," ex factory or after a
RESET, with which most user bar code verifications can be
carried out immediately and without additional settings.
In order to be able to make basic and other individual presets
for operation on the unit, <3 Settings> can be selected in the
menu that appears after pressing <Setup> and confirmed with
<OK>.
Any sub-menu window can be closed without accepting
changes to the settings by pressing the <ESC> button. The
top-level menu window is then displayed again.
3.2.1 Standard Parameters of Factory Settings
Operating Mode Unit switches to power saving mode after 10 min.
Unit shuts down completely after 60 min.
Output Parameters: No automatic print output after a measurement
No automatic saving of measurements
Code Type Selection: According to standard code list. Searching all possible code types; the respective
structure verification is not active.
In the case of GS1 codes, EAN structures and module sizes are verified and
evaluated.
The size verification takes place for the respective general tolerance range.
The verification of AI file contents is deactivated.
Aperture: 6 mil
Evaluation: According to ISO/IEC standard 15416 incl. verification and evaluation according to
respective code standard for all optional parameters
Optional Parameters: All parameters are switched active for display and for evaluation
Selected Class: Only parameters with grade / class 3 and better result in total result "Good"
Number of
Measurements:
3 measurements are preset when selecting multiple measurement. Non-decoded
individual measurements are not considered in the total evaluation
Metric Deviations: Indicators for bars - gaps - E-value - P-value are indicated as relative values in [%]
rounded up or down to "5"
Optional Software
Expansions:
Activated as previously, e.g.: Code comparator, article database function, etc.
Language: English
Day and Time: Unchanged
Network Settings: Unchanged
Company/User
Information:
Unit name, user name, company information are overwritten with the REA factory
specifications
Password: Overwritten with spaces
Format of Report Print-
Out:
Long version complete, prints all elements that can be selected

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3.2.2 Change Menu Language Selection
The unit is preset to the national language of the delivery country
before shipment. It can happen that the operator desires a
different menu language than the one that is preset.
The language selection can be changed via the keyboard
commands <Setup>, <3 Settings> <9 Language>.
The desired language can be selected from the list in the sub-
menu by moving the orange-colored focus to the desired
language field with the arrow buttons and then confirming by
pressing the <OK Enter> button. The field in front of the
language changes correspondingly and is activated.
With the <Store> button or the cursor on <OK> and confirming
with <OK Enter>, the new language setting is accepted.
From that point on, all menu dialogues and the texts of the
reports will be output in the newly selected language (English, in
this case).
The provision of additional languages is also scheduled for
future software versions.

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3.2.3 Change Data Output Parameters
Back to the sub-menu for the settings.
The sub-menu for the possible settings follows.
With <4 Unit Configuration>, another sub-menu appears in which the
basic settings can be made.
Under the sub-menu "1 Operating Mode Settings," it can be set:
•whether and at what interval the unit switches to sleep mode or
deactivates completely after the last operation
•whether the installed signal tone encoder is activated or deactivated.
Under the sub-menu "2 Output Parameters,"it can be selected in another
sub-menu:
•whether the measurement reports are to be automatically or manually
printed on the connected report printer
•whether the output of the measurement reports should take place via
the connected report printer.
If the TD-GPT-USB printer is to be used to create measurement
reports on site, this menu item must be activated.
The corresponding measurement reports are then always printed when
the button <Print L> or <Print S> is pressed on the REA ScanCheck
3n.
•If the unit is connected via the connection cable to the PC on which the
evaluation software REA TransWin32 is installed and operated and if
the activation code for operating with this software has been entered on
the unit and activated, the evaluations of the measurements can
additionally be executed via the PC program REA TransWin32.
•Whether the measurement reports should always automatically be
saved in the memory of the REA ScanCheck 3n
•or saving should only take place upon command
•or only when explicitly commanded with the <Store> button

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3.3 Operating REA ScanCheck 3n with Report Printer
The REA ScanCheck 3n verification unit can also be operated together with the portable report printer
type REA TD-GPT-U.
The printer is first connected with the supplied connection cable via the Mini USB plug and then with
the Type A USB plug to the USB socket to the lower face of the REA ScanCheck 3.
The printer has its own power supply via an installed battery.
This must be completely charged before use with the supplied printer power supply.
(see also operating manual for the portable printer REA TD-GPT-U).
A compact plug charger for charging the internal battery with 6 volts of output voltage is supplied with
the printer. Interchanging the plug power supply for the REA ScanCheck 3n is not possible. The
specifications in the REA TD-GPT-U operating manual must be observed for all other operating
instructions for the report printer.
Operation with other printers is not possible and not intended.
The predecessor model REA ScanCheck 3, which could be connected to a PC via USB, was supplied with a 9V
power supply. The printer power supply and the ScanCheck 3 power supply could be interchanged in this
configuration.

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3.4 REA ScanCheck 3n with PC Evaluation Software
The REA ScanCheck 3n can be operated independently, connected to the portable REA TD-GPT-U
printer as well as on a PC with optional PC software programs REA TransWin32 or REA Article
Database 32.
The unit has 2 different plug sockets on the lower face for
the corresponding connections. The REA ScanCheck 3n
can be connected with the report printer with the right
USB host port, type A, via the supplied USB connection
cable and verification reports can thereby be printed out.
Via the left-hand RJ45 type network port, the
REA ScanCheck 3n can be connected to the supplied
PoE power supply via the supplied network cable and
operated. The network cable provides the external power
supply as well as data communication via TCP-IP protocol. The connection options are described
below.
The software REA TransWin32 is not included in the standard scope of delivery of a REA ScanCheck 3n. If
REA TransWin 32 was ordered, the necessary license key is already stored in the verification unit ex
factory. If not equipped until later, a license key supplied with the delivery note must be entered on the unit
(see Chapter 4.6.3.4.3).
The PC used for the program REA TransWin32 should have the following hardware configuration at
minimum:
- CPU processor with 1.5 GHz and at least 1 GB RAM
- Hard drive with at least 500 MB of free storage space
- Color graphics card with minimum resolution of the monitor
- 1 CD-ROM or DVD drive
- 1 free USB 1.1 interface (for connecting REA ScanCheck 3, REA PC-Scan)
- 1 serial interface (for connecting REA PC-Scan, REA ScanCheck and REA ScanCheck II as well as
REA Check 3)
- 1 color monitor with at least 1280 x 1024 pixel resolution or more
The software configuration should be at least the following:
- Microsoft Windows 2000 with SP4, Windows XP with SP2 or Windows Vista
- .NET Framework from vers. 2.0
- Microsoft Internet Explorer IE from version 6.0
- Microsoft Windows Installer from version 3.1
The software was successfully tested with operating software versions Microsoft Windows 2000 with
Service Pack 4, Windows XP Professional with Service Pack 2, Windows 7 and Windows Installer 3.1.
Additional details on unit connection to the PC network can be found both in the manual for
REA TransWin32 and in the separate document on network installation of REA Verifiers on the REA Verifier
CD-ROM.
Administrator rights are required for installation of the software and configuration on the PC. If the user
account does not have administrator rights, the installation aborts with a corresponding error message.

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3.4.1 Connection of the REA ScanCheck 3n to Power Supply
The REA ScanCheck 3n can only be operated for a limited
time via the supplied and installed rechargeable batteries
independent of the power supply.
No later than when the unit outputs the warning message
"Batteries empty," the REA ScanCheck 3n must be connected
to the power network via the PoE power supply included in the
scope of supply and with the supplied network cable. The plug
types are specified in the standard IEC 60320. The socket on
the power supply has type C6 and the plug on the connection
cable has type C5.
The "Data In" socket must be connected to the existing network
installation.
The "Data Out" socket must be connected to the REA
ScanCheck 3n with the help of one of the supplied network
cables. The "Data Out" socket supplies the power supply for the
REA ScanCheck 3n and, simultaneously, the interface for the
network data communication.
3.4.2 Network Installation
No driver installation is required for the REA ScanCheck 3n. No network configuration must be made,
either, as this normally takes place automatically (basic setting ex factory).
The REA ScanCheck 3n is connected to the PC via the network. The cabling can be implemented as
follows:
•The PC and the REA ScanCheck 3n are each connected to one network connection socket in
the room (DHCP mode)
•The PC and the REA ScanCheck 3n are connected directly (ZeroConfig or fixed IP address)
•The PC and the REA ScanCheck 3n are connected via an Ethernet switch (ZeroConfig or fixed
IP address)

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•The PC and the REA ScanCheck 3n are connected via an Ethernet switch and the Ethernet
switch is connected to the network (DHCP mode).
DHCP Mode: The PC and the REA ScanCheck 3n are in the company network and obtain the network
configuration via the DHCP server. This mode is active in the factory settings.
ZeroConfig Mode: The PC and the REA ScanCheck 3n are connected directly.
Because no server can be reached (due to the direct point-to-point connection), the
setting falls back to the no-configuration network setting (called ZeroConfig). This
mode is active in the factory settings. The PC network adapter reports the status
"Limited or no connectivity."
ZeroConfig mode is reached after a wait time of about 1 - 2 minutes. During the waiting period, the PC
displays a network icon with a moving yellow dot in the status bar. No connection is possible in this
status.
When the automatic configuration is complete, the network icon is displayed with the
yellow exclamation mark. Communication is now possible and active.
Fixed IP Address Mode: Fixed addresses are issued by IT administration. This mode must be
manually adjusted.
The settings on the REA ScanCheck 3n must be set to DHCP "ON" and ZeroConfig "ON" (factory
settings). The setting only has to be changed if manually fixed IP addresses are to be issued.
3.4.2.1 Firewall
A so-called firewall is always activated on correctly configured PCs. The firewall may not block the
network communication between the PC and the REA ScanCheck 3n.
3.4.2.2 MAC Addresses
Every network-capable device receives a hardware address or a hardware serial number,
which is unique worldwide. This number is called a MAC address. If only known devices are integrated
into the user network for security reasons, this MAC address must be entered in the system (see
Display Network Configuration in Chapter 3.4.2).