Dors 1300 User manual

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3
UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
CONTENTS
Information for Users..........................................................................................4
Purpose ..............................................................................................................4
Important Information .........................................................................................6
Delivery Set ........................................................................................................7
Appearance ........................................................................................................8
Preparing for Operation....................................................................................10
Operation..........................................................................................................10
Care and Maintenance .....................................................................................25
Troubleshooting................................................................................................29
Specications ...................................................................................................30
Transportation, Storage and Disposal ..............................................................31
Support and Warranty ......................................................................................32
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4UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
5UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
We would like to thank you for your choice of Universal Viewing Counterfeit
Detector DORS 1300.
READ THE MANUAL WITH ATTENTION
BEFORE YOU START WORK!
INFORMATION FOR USERS
Universal viewing counterfeit detector DORS 1300 is developed in Russia by
KB DORS LLC and produced by DORS Industries LTD (China), Shilong Busi-
ness Center, Shilong Information Industrial Park, Building 17, the city of Guang-
dong, Guangdong province.
PURPOSE
Universal viewing counterfeit detector DORS 1300 (hereafter – ‘the device’)
shall be used for a visual detection of authenticity of banknotes, securities, ex-
cise stamps and other documents with the protective marks that may be veried
by the device.
The device is equipped with
an ultra-violet (hereafter - UV) source consisting of 3 uorescent lamps (6 ■
W each);
a top infrared (hereafter - IR) source emitting at the 850 nm and 940 nm■
wavelength;
a top white oblique source with an opportunity of a variable color ink in-■
spection;
a viewing table with combined illumination – infrared radiation and white■
light;
7” color TFT LCD;■
two infrared video cameras transmitting image of the document on the■
viewing table to the device display in scale 1:1 or with zoom 3:1;
the connectors for connecting television magniers ■DORS 1010 and
DORS 1020, aremote magnier with illumination DORS 10, avisualizer
of magnetic and IR marks DORS 15;
an additional video input and a video output.■
The device may
Verify absence on paper of a1. general visible luminescence in ultraviolet
rays.
Verify availability of IR marks in a reected and transmitted light as well as 2.
in a reected light with a two-wave lengths 940/850 nm alternation (avail-
ability verication of the so-called “M” marks).
Verify availability of luminescence of the specic areas of a sheet in ultra-3.
violet rays (marks, security threads and bers).
Verify availability of watermarks and security threads on paper.4.
Inspect the surface of banknotes and other documents with protection ele-5.
ments in a white oblique reected light. Thus, there is veried availability of
the relief printed elements, a tilting effect and the marks made with variable
color inks.
Verify availability and authenticity of micro perforations.6.
Verify the security elements on a banknote that are printed with a variable7.
color ink (OVI).
Perform an advanced verication under a 10-time zoom at a combined us-8.
age of a remote magnier with illumination DORS 10,atelevision magnier
with combined illumination DORS 1010 or a television magnier with com-
bined illumination DORS 1020. In this case, there is veried coincidence of
thin multicolored lines of the currency design (checking of the Orlof printing),
availability of a microtext and the currency design at specic points.
Perform an advanced verication under a 10-time zoom in two bands 9.
(white/IR) when using the DORS 1010 television magnier with illumination
and in three bands (white/IR/UV) when using the DORS 1020 television
magnier with illumination.
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6UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
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UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
Verify availability of magnetic marks when using the10. DORS 15 remote
visualizer of magnetic and IR marks.
The UV marks may be inspected right on the surface of the document when it is
put inside the device. The IR and “M” marks may be inspected with the 7” LCD
of the device. When the IR – marks are being inspected on the display, a triple
zoom mode makes it possible to check the structure of the mark lines without
the television magnier.
It is also worth mentioning an important peculiarity of the device which makes
possible a simultaneous check of the IR and UV marks without switching over
the verication modes.
The device has an additional video input that makes it possible to display an
image from an external video signal source, for example, from a surveillance
camera. The device video output may be used for transmitting the image to an
external display or a computer.
The device is controlled with an on-screen menu system. Special keys are en-
visaged for the most frequently used functions. The device may be used by a
cashier who had training in a visual detection of authenticity of banknotes after
he has studied the given manual.
IMPORTANT INFORMATION
/
IT IS PROHIBITED TO LOOK AT THE UV-LAMPS DURING THE DEVICE
OPERATION.
/
IT IS PROHIBITED TO TOUCH THE DEVICE AND THE POWER CORD
PLUG WITH WET HANDS. IT MAY RESULT IN AN ELECTRIC SHOCK.
/
WARNING! TO AVOID ANY DAMAGE OF THE CABLE OR ITS BREAK,
UNPLUG THE POWER CORD FROM THE POWER OUTLET BY GET-
TING HOLD OF ONLY THE PLUG.
/
WARNING! TO AVOID ANY POWER CORD DAMAGE AND A SHORT
CIRCUIT, MOVE THE DEVICE ONLY AFTER THE POWER CORD PLUG
HAS BEEN DISCONNECTED FROM THE POWER NETWORK.
/
ATTENTION! THE DEVICE IS TO BE INSTALLED ON A HORIZONTAL
PLANE OF A WORKING TABLE. IT IS PROHIBITED TO INSTALL THE
DEVICE WITH ITS UV-LAMPS BEING VISIBLE FOR THE OPERATOR.
/
ATTENTION! IF THE DEVICE HAS BEEN UNDER COLD CONDITIONS
FOR A LONG TIME, IT SHALL BE KEPT UNDER ROOM TEMPERATURE
FOR NOT LESS THAN TWO HOURS BEFORE ITS SWITCHING ON.
/
ATTENTION! TO PROVIDE A SUCCESSFUL OPERATION OF THE DE-
VICE FOR A LONG TIME WITHOUT A SERVICE ENGINEER INTERFER-
ENCE, OBSERVE THE FOLLOWING RULES, PLEASE:
THE DEVICE SHALL BE INSTALLED ON AN EVEN HORIZONTAL1.
SURFACE.
WHEN INSTALLING THE DEVICE, AVOID ITS EXPOSURE TO2.
DIRECT SUNLIGHT AND DIRECTED ARTIFICIAL ILLUMINATION.
/
WARNING! TO AVOID AN ELECTRIC SHOCK, APPLY ONLY TO A
QUALIFIED SPECIALIST TO REPLACE THE LAMPS.
/
IT IS PROHIBITED TO DISPOSE THE USED LAMPS IN THE DOMESTIC
GARBAGE CONTAINERS. AFTER A LAMP HAS BEEN REPLACED, IT
SHALL BE HANDED IN TO THE SERVICE OF FLUORESCENT LAMPS
DISPOSAL.
DELIVERY SET
Universal viewing counterfeit detector DORS1300 ....................................1 pcs.
Service manual...........................................................................................1 pcs.
Marks map..................................................................................................1 pcs.
Packaging................................................................................................... 1 set.
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8UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
9UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
APPEARANCE
Fig. 1. Front view
1Viewing table
2Display
3Slot for a large-sized document
4UV-lamp (one in three is shown)
5Power switch
6TV key (selection of the source for
an image on the display)
7DL key (selection of white illumina-
tion)
8IR key (selection of IR-illumination
type)
9UV key (selection of UV-
illumination)
0Menu control keys
Fig. 2. Rear view
2Display
3Slot for a large-sized document
!Power cord
@,#Connectors V1, V2 for DORS
1010 connection (DORS 1020)
$Connector IN to connect to an
external video signal source
%Connector OUT to connect to the
computer or an external display
^,&Connectors M1, M2 to connect
the DORS 10 (DORS 15)
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10 UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
11UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
PREPARING FOR OPERATION
/
ATTENTION! BEFORE THE DEVICE OPERATION STARTS, MAKE SURE
ABOUT INTEGRITY OF ITS BODY AND THE THREE FLUORESCENT
LAMPS 4.
IT IS PROHIBITED TO CONNECT TO THE POWER NETWORK THE
PRODUCT WITH A DAMAGED BODY, WITH THE DAMAGED UV-LAMPS
OR WITHOUT THEM.
The device is supplied in a package with a lowered display body 2. This position
of the display is a transportation one and used only for moving the device to a
different working place. The display body may be turned around the horizontal
and vertical axes to provide the best inspection conditions. After the device has
been installed on its working place, it is necessary to lift the display body to its
working position and orient it is so that the operator’s glance would be perpen-
dicular to the screen surface.
If it is supposed to use additional external devices (DORS 10, DORS 15,
DORS 1010, DORS 1020) during the device operation, they shall be connected
to the corresponding rear panel jacks before the device is connected to the
mains. Television magniers DORS 1010/1020 are connected to the jacks V1
or V2 (@, #), and magnier DORS 10 and the DORS 15 visualizer of magnetic
and IR marks - to the jacks M1 or M2 (^,&).
To start the device operation, the power cord shall be connected to power socket
110-240 VAC 50/60 Hz. Then to switch on the device, press the power switch 5.
A built-in red indicator shall turn on showing that the device is switched on. After
a 7-10 second energizing, the display driver is initialized, the working settings
are loaded and the detector undergoes self-testing. Before this process is n-
ished, the device controls are disabled. Appearance of «Self-testing... Please
wait!» on the screen means the self-testing stage has started. The rst switch-
ing on establishes the mode of the IR marks inspection in a reected light.
OPERATION
Use the corresponding mode control keys to select the required operation
mode. These keys provide an access to the most frequently used functions of
the device. Let’s consider them in brief.
/
ATTENTION! DURING IGNITION OF THE UV AND WHITE LAMPS, ALL
THE KEYS GET DISABLED. AN ACTIVE STATE OF THE KEYS IS RE-
COVERED AFTER IGNITION OF THE LAMPS HAS BEEN COMPLET-
ED.
TV1. key 6switches over the source of the image appearing on the de-
vice display. The image sources may be both device cameras (with zoom
1x and zoom 3x), and the external devices connected to connectors V1,V2,
IN.
Short pressing of the1.1 TV key switches over the modes of the image
from the device built-in cameras.
The rst short pressing■switches on a 3x zoom displaying. The
«Zoom 3x» message appears on the display for several seconds.
After the time has expired, the display restores the message about
the current illumination mode, for example, «IR Blink».
The second short pressing■returns the image without zoom. The
«Zoom 1x» message appears on the display for several seconds.
After the time has expired, the display shows a restored message
about the current illumination mode, for example, «IR Blink».
Any further short pressing■results in the same switching over as
after the rst pressing, the second one etc.
A long pressing of the1.2 TV key results in displaying an image from
an external video source (from input V1), the image is accompanied by
the «Video input V1» message appearing on the display for several
seconds. After the time has expired, there is displayed a message
about the current illumination mode set in the signal source (a television
magnier), for example, «Video 1 IR», connected to the given video
input.
1.2a Any further short pressing of the TV key results in connection of
the display to video inputs V2 and IN.
The rst short pressing■switches on displaying from input V2
accompanied by the «Video input V2» message displayed for
several seconds. After the time has expired, there is displayed a
message about the current illumination mode set in the signal source
(a television magnier), for example, «Video 2 UV», connected to the
given video input.
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12 UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
13UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
The second short pressing■switches on displaying from input IN with
the «Video input IN» message displayed for several seconds. After
the time has expired, there is displayed the «Video IN» message.
The third short pressing■results in returning to displaying from
input V1 which is accompanied by the «Video input V1» message
displayed for several seconds. After the time has expired, there is
a message displayed about the current illumination mode set in the
signal source (a television magnier), for example, «Video 1 IR»
connected to the given video input.
Any further short pressing■results in the same switching over as
after the rst pressing, the second one etc.
1.2b To return to the image from the device built-in camera, it is nec-
essary to press the TV key once more for a long time.
DL2. key 7controls switching on of the top oblique white light as well
as a combined illumination of the viewing table by white light and IR-
radiation. The source of the top white light may be switched on in the mode
of switching over of the incidence angle. Illumination of the viewing table and
an oblique white light do not switch on simultaneously.
The rst pressing■switches on illumination of the viewing table by white
light and IR-radiation. There is displayed the «Top White» message for
several seconds. After the time has expired, there is a message about the
current illumination mode, i.e. «Top White+IR».
The next pressing■switches on a combined illumination of the viewing
table by white oblique light and IR-radiation instead of a white light
illumination. There is displayed the «Top White» message for several
seconds. After the time has expired, there is a message about the current
illumination mode, i.e. «Top White+IR».
The third pressing■transfers the top white light source to the mode of
a variable color ink verifying. There is an alternate switching on in this
mode of either an oblique light source or of the two special white light
sources located above the viewing table. The banknote security mark
printed in a variable color ink will alternately change its color because
of the difference in the light incidence angles on the viewing table. If the
given mode switches on, there is displayed «Variable color» message
for several seconds. After the time has expired, there is a message about
the current illumination mode, i.e. «Variable color+IR».
The fourth pressing■switches off the white illumination and sets the
IR illumination mode. There is displayed the «White off» message for
several seconds. After the time has expired, there is a message about the
current illumination mode, i.e. «IR».
Any further pressing■results in switching over in the same way as at the
rst pressing, the second one etc.
IR3. key 8is used for switching over between the modes IR and IR
Blink and displaying for several seconds of messages «IR» and «IR Blink»
(correspondingly). After the time has expired, there is displayed a message
about the current illumination mode, i.e. «IR» or «IR Blink». A banknote
wideband illumination by IR-radiation within a 800 nm – 1000 nm band takes
place in mode IR. In mode IR Blink, periodical switching over of the emission
wavelength from 850 nm to 940 nm and vice-versa takes place to verify
the M-marks. As a result, the image of the M-mark (if it is available on the
document under investigation) starts blinking on the display screen.
UV4. key 9controls switching ON/OFF of the device UV-lamps.
The rst pressing■ switches on a combined illumination UV+IR. The rst
«UV 365 nm» message is displayed for several seconds. After the time
has expired, a message about the current illumination mode is displayed,
i.e. «UV+IR».
Further pressing■switches off the UV-illumination. The illumination mode
IR is set. The «UV off» message is displayed for several seconds. After
the time has expired, a message about the current illumination mode is
displayed, i.e. «IR».
Any further pressing■results in switching over in the same way as at the
rst pressing, at the second one etc.
The on-screen menu provides an access to the device functions and settings. To
control the on-screen menu, use a group of 5 keys 0. Fig.3 shows the location
and the marking of these keys.
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14 UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
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UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
*Key ↑(Up)
(Key → (Right)
)Key ↓ (Down)
qKey ← (Left)
wSET key (Set)
Fig. 3. The on-screen menu control keys
Table 1 includes the functions of the menu operation keys. After the device has
been switched on, the menu is disabled. To enter the menu, press SET key w.
Then use the keys ↑ and ↓, → and ← to select the required menu item. To enter
the selected menu item, press SET.
Table 1. The functions of the on-screen menu control keys
Key pressing Functions
«SET»
In the disabled menu mode – enter the menu mode.
In the menu mode – selection of the end menu item.
In the mode of value change for the selected menu item
– exit from the menu item accompanied by saving of the
changed value.
and
In the menu mode – moving up/down through the menu
items.
In the mode of value change for the selected menu item –
change of the value (increase, decrease, moving through
the list).
In the menu mode:
- enter the menu item value change
- enter the lower submenu
In the mode of value change for the selected menu item – no
response
Lower submenu exit to the top submenu/ menu.
In the mode of value change for the selected menu item – exit
from the menu item without saving of the changed value.
To set the required value for the menu item, use the keys ↑ and ↓. Press SET to
conrm the chosen value you. Press ←to cancel the selected value or in case
of an error. Fig.4 shows the menu structure.
Main Menu
Mode
Video
Settings
Brightness
Contrast
Auto off timer
(0–255)
Disable
3 minutes
10 minutes
30 minutes
60 minutes
Language
Zoom 1x
Zoom 3x
Video Input V1
Video Input V2
Video Input IN
Settings
Brightness
(0–255)
Contrast
Auto off timer
Video
UV + IR
Bottom White + IR
Top White + IR
IR
IR Blink
Mode
English
Russian
Ukrainian
Chinese
Language
Variable Color + IR
Fig. 4. Structure of the DORS1300 menu
Selection of illumination mode.
Press the SET key wof the top keyboard. The main menu image appears
in the top left corner of the display. Use the keys ↑ and/or ↓to select the
«Mode» menu item. Press the SET key or →to go to the «Mode» submenu.
The «Mode» submenu highlights the menu item corresponding to the cur-
rent illumination mode. Use the keys ↓ and/or ↑in the «Mode» submenu to
select the required illumination mode («UV+IR», «Bottom White + IR», «Top
White + IR», «Variable color + IR», «IR», «IR Blink»). To set the selected il-
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16 UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
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UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
lumination mode, press the SET key. It results in switching on of the required
illumination mode accompanied by displaying an information message about
the set illumination mode.
Selection of video signal source.
Press the SET key on the top keyboard. The main menu image appears in
the display top left corner. Use the keys ↑ and/or ↓to select the «Video»
menu item. Press the SET key or →to go to the «Video» submenu. Use the
keys ↓ and/or ↑in the «Video» submenu to select the required video signal
source. Press the SET key to set the required video signal source. The im-
age from the selected source is brought to the display screen. The rst line
of the display will show for several seconds an information message about
the selected video signal source («Zoom 1x», «Zoom 3x», «Video input V1»,
«Video input V2» or «Video input IN»).
Brightness setting.
/
ATTENTION! BRIGHTNESS IS SET SEPARATELY FOR EACH VIDEO
SIGNAL SOURCE. THE SET BRIGHTNESS VALUES ARE STORED IN A
NONVOLATILE MEMORY AND USED DURING THE NEXT OPERATION
WITH THE GIVEN VIDEO SIGNAL SOURCE.
Press the SET key on the top keyboard. The main menu image appears in
the display top left corner. Use the keys ↑ and/or ↓to select the menu item
«Settings». Press the SET key or →to go to the «Settings» submenu. Use
the keys ↓ and/or ↑of the «Settings» submenu to select the «Brightness»
item. Press the SET key or →to go to the «Brightness» submenu which
appears on the LCD instead of the «Settings» submenu. At that the current
value of the image brightness will appear. Single pressings of the keys ↑
(zoom) or ↓(zoom out) set the image brightness. The latter may also be set in
a fast zoom in (zoom out) mode at pressing the key ↑(↓) and holding it down.
To save the set brightness value, press the SET key. Press key ←to return to
the top submenu without saving the set value (return to the previous value).
Contrast setting.
/
ATTENTION! CONTRAST IS SET SEPARATELY FOR EACH VIDEO
SIGNAL SOURCE. THE SET CONTRAST VALUES ARE STORED IN A
NONVOLATILE MEMORY AND USED DURING THE NEXT OPERATION
WITH THE GIVEN VIDEO SIGNAL SOURCE.
Press SET key on the top keyboard. The main menu image appears in the
display top left corner. Use the keys ↑ and/or ↓to select the menu item «Set-
tings». Press SET key or →to go to the «Settings» submenu. Use the keys
↓ and/or ↑of the «Settings» submenu to select the item «Contrast». Press
SET key or →to go to the «Contrast» submenu which appears on the LCD
instead of the «Settings» submenu. At that the current value of the image
contrast will appear. The required image contrast is set by single pressings of
the keys ↑(zoom in) or ↓(zoom out). The contrast may also be set in the fast
zoom in (zoom out) mode by pressing the key ↑(↓) and holding it down. To
save the set contrast value, press the SET key. Press key ←to return to the
top submenu without saving the set value (return to the previous value).
Setting of auto off timer.
/
ATTENTION! SETTINGS OF AN AUTO OFF TIMER ARE STORED IN
A NONVOLATILE MEMORY AND USED FURTHER AS THE DEFAULT
ONES. IF THE OPTION OF AUTO OFF TIMER IS SWITCHED ON, A LINE
APPEARS IN THE LEFT BOTTOM CORNER OF THE SCREEN WHICH
INDICATES THE TIME AFTER WHICH THE DETECTOR GOES TO THE
STANDBY MODE.
Press the SET key on the top keyboard. The main menu image appears in
the display top left corner. Use the keys ↑ and/or ↓to select the «Settings»
menu item. Press the SET key or →to go to the «Settings» submenu. Use
the keys ↓ and/or ↑in the «Settings» submenu to select the «Auto off timer»
item. Press SET key or →to go to the «Auto off timer» submenu which ap-
pears on the LCD instead of the «Settings» submenu. At that the value of the
current settings of an auto off timer will appear. Use the keys ↓ and/or ↑to
select the desired time interval of the auto off timer. To save the new value
of the time interval for the auto off timer, press the SET key. Press key ←to
return to the top submenu without saving the set value (return to the previous
value).
Setting the language for menu and information messages.
/
ATTENTION! SETTINGS OF THE LANGUAGE OF THE MENU AND IN-
FORMATION MESSAGES ARE STORED IN A NONVOLATILE MEMORY
AND USED LATER ON AS THE DEFAULT ONES. BE CAREFUL NOT
TO SET FOR THE MENU (BY MISTAKE) THE LANGUAGE YOU FAIL TO
UHNDERSTAND.
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18 UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
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UNIVERSAL VIEWING COUNTERFEIT DETECTOR DORS 1300
Press the SET key on the top keyboard. The main menu image appears in
the display top left corner. Use the keys ↑ and/or ↓to select the «Settings»
menu item. Press the SET key or →to go to the «Settings» submenu. Use
the keys ↓ and/or ↑in the «Settings» submenu to select the «Language»
item. Press the SET key or →to go to the «Language» submenu which ap-
pears on the LCD instead of the «Settings» submenu. At that there is high-
lighted the menu item with the language of an information message used at
the given moment. Use the keys ↓ and/or ↑to select the required language of
information messages. To save, press the SET key. Press key ←to return to
the top submenu without saving the set value (return to the previous value).
Verifying UV marks
Place a banknote or a document on the device viewing table. Press the UV key
(9) to switch on UV-illumination – the «UV 365 nm» message is displayed. In-
spect the UV-marks on the document surface. The “Fan” method of verication
is also permitted when several documents (e.g. banknotes) are placed on the
device viewing table stacked in a fan shape. If a simultaneous verication of the
IR marks is required, use the TV key to select the zoom 1x image on the display
(message «Zoom 1x» shall appear on the display). Then the UV-marks may be
viewed directly on the document surface, and the IR Blinkarks – on the display
screen in the same scale.
Verifying IR Blinkarks
Place a banknote or a document on the device viewing table. Use the TV key
(6) to select the required zoom. To verify the chart of the IR Blinkarks, use
zoom 1x. Zoom 3x is used if it is necessary to study in detail the structure of
the document part visible at IR-radiation. In this case, use the on-screen menu
to adjust the required brightness and the contrast of the image on the display.
Observe the image IR Blinkarks on the display screen.
Verifying «M»-marks
Place a banknote or a document on the device viewing table. The document
inside the device shall void direct sunlight or the light from powerful incan-
descent lamps. Otherwise inspection of the mark will be difcult or absolutely
impossible. Switch on the verifying «M»-marks mode by pressing the IR key
(8) – the «IR Blink» message shall be displayed. If it is required, adjust the
required brightness and contrast of the image on the display screen. The “M”
marks should clearly blink with an interval of about 2 times per second. A re-
peated pressing of the IR key (message «IR» shall be displayed) switches off
the mode of verifying the «M»-marks.
Verifying in a white reected oblique light
Place a banknote or a document on the device viewing table. Press the DL
key (7) to switch on the source of the top white oblique light (message «Top
White» shall appear on the display). Observe the document. The mode is
convenient, for example, for viewing the so-called “tilting effect” on Russian
rubles. In addition, this mode makes possible estimation of the height of
printed elements as high printed elements cast a clear shadow in an oblique
light. For the top white illumination, the device has a point semiconductor light
source with a considerably high brightness, that’s why any direct look at the
light source concealed behind the device lip is not recommended. Next press-
ing the DL key switches off the white illumination source.
Verifying marks, printed by variable color ink (OVI)
Place a banknote or a document on the device viewing table. To obtain the
most obvious change in color, the banknote shall be either in the middle of the
viewing table or closer to its back edge. Press the DL key (7) to switch on the
mode of a variable color ink inspection (message «Variable color» shall be
displayed). Monitor the color of the marks printed in a variable color ink. The
given mode is distinguished by a periodical switching over of the angle of inci-
dence of the top white light to the banknote. Due to this, the banknote security
mark printed in the variable color ink alternately changes its color. The color
of the marks shall change within the limits specied in description of the ban-
knote security features. If a mark on the banknote does not change its color
in compliance with the description, the banknote may be counterfeited, that‘s
why the other authenticity marks need verication. Visibility of the mark shall
change on banknotes of some currencies, for example, on euro banknotes.
Next pressing of the DL key switches off the white illumination source.
Transmission type verifying in white transmitted light and IR-radiation
Place a banknote or a document on the device viewing table. Press the DL
key (7) to switch on the bottom illumination source of the viewing table (the
«Bottom White + IR» message shall be displayed). The source of the view-
ing table illumination simultaneously emits white light and IR-radiation; here
the IR-radiation top source is switched off. The mode is convenient for veri-
cation of the watermarks and imprinted metalized stripes with drawing, micro
perforations etc. The display screen shows the document image obtained at
EBKM.0D1300.00.00.000-02UM INT.indd 18-19 04.07.2011 9:37:47