Newcon Optik Binoculars NVS 33 User Manual

Operation Manual  
NIGHT VISION ATTACHMENT  
NVS-33  
105 Sparks Ave., Toronto, ON M2H 2S5, Canada  
 
TABLE OF CONTENTS  
1.1. Overview..................................................................4  
1.2. Key features of NVS-33...........................................5  
2. DESIGN of NVS-33 ................................................6  
3. SPECIFICATIONS..................................................8  
4. DELIVERY SET....................................................10  
5. INSTALLATION ON A RIFLE............................12  
5.1. Installation with thread usage ................................12  
5.2. Installation with a riflescope mounting adapter  
NC540....................................................................14  
5.3. Installation on a Picatinny rail ...............................18  
6. OPERATION INSTRUCTIONS ...........................21  
6.1. Battery installation.................................................21  
6.2. Testing NVS-33 in the daytime .............................23  
6.3. Testing NVS-33 at night ........................................24  
6.4. Testing NVS-33 at night with daytime scope ........24  
6.5. Operation at night ..................................................25  
6.6. Use in a dark time as a 2x night vision monocular 29  
6.7. Operation with remote control ...............................30  
7. STORAGE AND MAINTENANCE......................32  
8. TROUBLESHOOTING.........................................34  
9. WARRANTY.........................................................35  
10. CUSTOMER SUPPORT .......................................37  
11. ACCEPTANCE CERTIFICATE...........................38  
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3
 
1. BRIEF DESCRIPTION  
1.1.  
Overview  
NVS-33 is an afocal night vision attachment to a daytime  
weapon scope designed for precise aiming in darkness.  
The device is equipped with a high-quality generation 3  
electro-optical image intensifier tube that amplifies light  
in the visible and IR spectrum providing for up to a 400-  
700 m effective observation range at low light.  
Observation range depends on the characteristics of the  
daytime scope NVS-33 is attached to and actual  
observation conditions, such as available light,  
atmosphere transparency and target reflectivity. The  
observation range increases by brighter light, at moony  
night, or if the object is positioned against a light  
background, such as snow or grass. The range decreases  
at lower light, low atmosphere transparency, or if the  
object is positioned against dark background, such as  
plough-land, desert, stems of trees, etc.  
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4
 
1.2.  
Key features of NVS-33  
Installation of NVS-33 in front of a day scope on a  
weapon does not affect the latter’s zeroing and  
scope’s tactical parameters  
Exit pupil fits a broad range of daytime scopes  
Accurate internal focus adjustment mechanism  
High quality image within the entire field of view  
Withstands large calibre recoil  
Optionally supplied with MIL-STD-1913 Weaver /  
Picatinny mount  
Mounting adapters fit a vast majority of the daytime  
riflescopes.  
Up to 1 meter of immersion waterproof design  
Can be equipped with an optional powerful IR  
Illuminator  
Low battery indicator  
Two possible types of batteries (AA and CR123) can  
be used  
Low power consumption  
Compact and lightweight  
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5
 
2. DESIGN of NVS-33  
1
2
3
4 5  
6
7
8
9
10  
11  
12  
Fig.1 Configuration 1  
1 – Ocular with light  
suppressor  
7 – Objective focus  
adjustment knob  
2 – Adapter ring with  
thread  
8 – Objective lens cover  
3 – Fixating ring  
9 – Battery compartment  
cover  
4 – Retention pin  
5 – On/Off switch  
10 – Battery compartment  
11 – Remote switch  
connector  
6 – Device body  
12 – Objective lens  
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6
 
1
2
3
4
5
6
7
8
9
10  
11  
12 13  
Fig .2 Configuration 2 (Special order with IR Illuminator)  
1 – Ocular  
8 – IR illuminator  
2 – Adapter ring with  
thread  
9 – Objective lens cover  
3 – Fixating ring  
10 – Battery  
compartment cap  
4 – Retention pin  
11 – Battery  
compartment  
5 – On/Off and IR switch  
12 – Remote switch  
connector  
6 – Device body  
7 – Objective focus  
adjustment knob  
13 – Objective lens  
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7
 
3. SPECIFICATIONS  
Optical  
Magnification, x  
Field of view, degrees  
1
8.8  
Daytime scope magnification,  
x
1-20  
3-12  
Acceptable  
Recommended  
Focus length, mm  
F-number  
78  
1.5  
Focus range  
10 m to infinity  
N3XT3631IC  
Gen. 3 18mm MCP  
35,000  
Image intensifier tube  
Type  
Gain, min  
Resolution, lp/mm  
Infrared illuminator (optional)  
Type  
57  
IR diode  
75  
Power, mW  
Illumination angle, degree  
5-20  
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8
 
Illumination wavelength, nm  
Electrical parameters  
Power supply  
805  
1 CR123 or 1 AA  
battery  
Voltage, V  
3
Continuous work time, h, min  
Mechanical characteristics  
Dimensions, mm  
60  
180 x 75 x 60  
615  
Weight, g  
Environmental conditions  
Operating temperature range  
Relative humidity  
-50ºC to +55ºC  
Up to 98%  
IP67  
Waterproof rating  
NOTE: As the design is being continuously improved  
some parameters may differ from those given above.  
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9
 
4. DELIVERY SET  
- NVS 33  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
1 pc.  
- Objective lens cap  
- Remote control switch  
- Operator’s manual  
- Ocular protective cap  
- Soft case  
- CR123 Battery  
- Additional battery cap for AA battery  
- Cleaning cloth  
- Quick release Picatinny mount  
- Light suppressor  
- Riflescope mounting adapter  
NC540.50  
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10  
 
Optional accessories:  
- Hard case  
1 pc.  
- Riflescope mounting adapter  
NC540.56, NC540.42  
1 pc. of  
each  
- Threaded adapters M48, M52, M54,  
M55  
1 pc. of  
each  
- M540 converter to convert NVS33  
into 2x monocular  
1 pc. of  
each  
- IR illuminator (mounted on the  
sight) (Configuration 2)  
1 pc.  
Exact delivery set depends on particular order.  
__________________________________________  
11  
 
5. INSTALLATION ON A RIFLE  
5.1.  
Installation with thread usage  
Your NVS-33 matches to the inner thread M52x0.75 of  
the objective lens of those daytime riflescopes that can  
accept daytime filters. If your scope does not match this  
thread, use mechanical adapters that transform M52 into  
M54, M55 or M48 threads. M52 adapter is used to  
increase the depth of the thread in case if the scope  
objective lens is close to the edge of the scope.  
Mount your night vision attachment as follows:  
If necessary, screw the corresponding threaded adapter in  
the thread on the adapter ring (2) (Fig.1).  
Loose the retention pin (4) by turning it counters  
clockwise.  
Turn the adapter ring (2) counter clockwise and screw it  
into the inner thread of the daytime riflescope until stop.  
Avoid applying extra strength while tightening.  
1. Turn the night vision attachment NVS-33 so that the  
objective focus adjustment knob (7) is located on top  
2. Lock the attachment in this position by turning the  
fixating ring (3) in the counter clockwise direction.  
__________________________________________  
12  
 
The night vision attachment NVS-33 is ready for use.  
NVS-33 can be screwed directly into the Newcon 3-  
12x50 riflescope. Its design allows such mounting  
without any additional adapters. To attach NVS-33 in  
front of NC 3-12x50, proceed as described above  
without using threaded adapters.  
Due to different designs of the daytime riflescopes we  
cannot guarantee that threaded connection is supported  
in all cases. This design may be not strong enough to  
hold the night vision attachment during shooting. In  
such case, the ring and objective thread of the daytime  
scope may be damaged.  
The manufacturer is not responsible for use of NVS-33  
night sight attachment by a threaded connection on  
the scope models other than those, which were  
approved by Newcon Optik.  
There is no need to re-zero daytime scope or perform any  
additional adjustment when NVS-33 is installed on the  
rifle.  
__________________________________________  
13  
 
5.2.  
Installation with a riflescope mounting  
adapter NC540  
Three adapter modifications are available for the NVS-33  
night vision attachment to install it in front of daytime  
riflescopes of different models:  
Adapter  
Diameter of the  
objective lens of the  
daytime riflescope  
Plastic inserts  
set (quantity x  
thickness)  
NC540.56  
NC540.50  
NC540.42  
56 mm  
50mm  
42 mm  
1pc.х1mm,  
2pc.х2mm  
1pc.х1mm,  
1pc.х2 mm  
1pc.х1mm,  
1pc.х2 mm  
__________________________________________  
14  
 
1
4
5
6
7
3
2
Fig. 3  
1. NVS-33 night vision attachment  
2. Adapter ring  
3. Fixing ring with the pin  
4. NC540.50 (NC540.56, NC540.42) adapter  
5. Adapter screw  
6. Plastic inserts  
7. Objective lens of a daytime riflescope  
__________________________________________  
15  
 
Assemble the adapter and mount the night sight  
attachment as follows (Fig. 3):  
1. It’s necessary to select needed quantity of the plastic  
inserts (6) for a particular external diameter of the  
objective lens of the daytime riflescope. The  
objective lens of the daytime riflescope (7) should fit  
loose, but without apparent drift into the adapter (4)  
with the installed inserts (6) and loosen adapter screw  
(5).  
2. After the inserts (6) are installed, the adapter (4) must  
be screwed on the adapter ring (2) against the stop  
and locked by the retention pin (3) in the counter  
clockwise direction.  
3. Put the night vision attachment with the fixed adapter  
(4) on the objective lens of the daytime riflescope (7)  
and fix it by the adapter screw (5).  
__________________________________________  
16  
 
The lens of the daytime scope must be positioned at least  
15 mm behind the front edge of the scope body. This  
excludes mechanical contact of the NVS-33 night sight  
attachment and daytime scope objective lens.  
Last digits in the NC540 adapters part numbers correlate  
with the diameter of the daytime riflescope. For example,  
to use NVS33 with Swarovski Z6i 2-12x50 scope, you  
should take the adapter NC540.50.  
During shooting with the night vision riflescope  
attachment NVS-33, which is attached to the daytime  
riflescope with help of the adapter the adapter ring could  
move along the objective lens of the daytime riflescope.  
The size of this movement depends on the tightening  
force of the adapter screw (5), recoil force of weapon,  
etc., and could be equal to 1 mm on each shot. This  
movement is allowed and do not affect on the impact  
point. However, the position of the adapter should be  
controlled after each shot in the shooting process.  
__________________________________________  
17  
 
5.3. Installation on a Picatinny rail  
The night vision attachment NVS-33 can be installed on a  
Picatinny rail in front of the daytime riflescope. For this  
purpose, it has an additional Picatinny rail on the side.  
Night sight Picatinny rail  
Fig. 4  
The rail adapter is designed to make the night vision  
attachment profile as low as possible to work together  
with low-profile scopes.  
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18  
 
Quick release  
rifle rail clamp  
Night sight rail  
clamp with screw  
Fig. 5  
Actual height of the adapter must be determined at the  
moment of ordering of the Picatinny rail adapter. Each  
rifle and riflescope combination is unique, and it is  
necessary to know height of the line of sight above the  
Picatinny mount to produce this part precisely.  
__________________________________________  
19  
 
Distance between NVS-33 line of sight and daytime  
riflescope line of sight must not exceed 2 mm. In case of  
two different rails are used, the angle deviation between  
two rails must not exceed 2 degrees.  
Picatinny rail adapter is attached to the scope permanently  
by means of a small clamp and screw. The other side of  
the adapter is equipped with quick release clamp, which  
can be adjusted for width and pressing exertion. It allows  
almost immediate installation and de-installation of the  
sight on the rifle.  
Light suppressor is used to prevent the user disclosure by  
greenish light emitted by the working NVS-33. It is  
attached on to the night sight instead of mounting  
adapters. The size of the light suppressor is determined by  
the riflescope design. The night sight should be mounted  
on the Picatinny rail as close to the riflescope as possible.  
__________________________________________  
20  
 
6. OPERATION INSTRUCTIONS  
WARNING!  
Lens cover should be always on when switching on  
NVS-33 in bright light conditions. Never aim the  
lens in the directions of bright light  
6.1. Battery installation  
NVS-33 is powered by one standard CR123A battery or 1  
AA battery. The type of the used battery is determined by  
the battery compartment cap. By default, the sight is  
delivered with CR123 battery compartment cap screwed  
to the battery compartment. AA battery compartment cap  
is included into delivery set.  
Prior to battery installation make sure it is in good  
condition.  
__________________________________________  
21  
 
Battery compartment cover  
Fig. 6  
To install batteries unscrew the battery compartment  
cover insert batteries, observing correct polarity, and  
screw the cover back on.  
Your NVS-33 is equipped with the low battery  
indicator located in the field of view. This indicator  
starts blinking in red colour when the battery charge is  
low. Change the battery as soon as possible.  
__________________________________________  
22  
 
6.2.  
Testing NVS-33 in the daytime  
Daytime mode of NVS-33 was designed for testing  
purposes only. Image may be fuzzy.  
To test the device in the daylight:  
1. Turn switch (5) (Fig.1) into ON position.  
2. Direct the device at an object within 10-20 m  
from the viewer.  
3. Turning the focus knob (7) (Fig.1) adjust focus  
to obtain  
4. The sharpest image visible through the eyepiece.  
Keep the objective lens cover closed during  
daytime. Do not direct night vision attachment to  
bright sources of light, the Sun, highly reflective  
surfaces and similar objects. This may damage the  
image intensifier tube inside.  
__________________________________________  
23  
 
6.3.  
Testing NVS-33 at night  
To test NVS-33 in darkness:  
1. Take off the lens cover (9) (Fig.1)  
2. Turn on the device using switch (5) (Fig.1)  
3. By turning knob (7) (Fig.1) obtain clear image of  
the object.  
6.4.  
Testing NVS-33 at night with daytime scope  
1. Install NVS-33 (see Chapter 5  
“INSTALLATION ON A RIFLE”)  
2. Take off the lens cap (9) (Fig.1).  
3. Turn on the device using on/off switch (5)  
(Fig.1). Greenish image must be seen through  
the daytime scope.  
4. Select necessary zoom of the daytime scope. By  
turning the knob (7) (Fig.1) of NVS-33 acquire  
the target through daytime scope.  
__________________________________________  
24  
 
6.5.  
Operation at night  
Operation procedure:  
1. Check the adjustment of the daytime riflescope  
(diopter adjustment, parallax adjustment, etc.).  
2. Install the battery into the NVS-33 and mount it  
in front of the daytime riflescope as described  
above.  
Being mounted in front of a daytime riflescope, the  
night vision riflescope attachment NVS-33 keeps all  
tactical features of a daytime riflescope (zoom level,  
adjustment step, etc.) intact.  
3. Open the objective lens cover (9) (Fig.1).  
4. Turn the switch (5) (Fig.1) of the device into ON  
position. You should see a yellowish-green light  
through the eyepiece of a daytime riflescope (the  
device works in passive mode).  
5. Set the required magnification of a day  
riflescope.  
__________________________________________  
25  
 
In order to get the maximum quality of night picture  
through the daytime riflescope, we recommend using  
riflescope magnifications from 3 to 12.  
6. Aim the rifle to an object and focus the objective  
of device with the knob (7) (Fig.1) on its top  
until you get maximum sharpness of the  
observed picture.  
Observation and identification range provided by the  
night vision riflescope attachment NVS-33 depends  
on the ambient illumination, atmospheric  
transparency and contrast between the target and  
background. Identification range increases in  
conditions of higher illumination, in moony night  
with external light sources of illumination, or if the  
target is located in front of light background (sand,  
snow). The identification range decreases in  
conditions of low illumination, low atmospheric  
transparency, or if the target is located in front of  
dark background (plough-land, trees, etc.).  
__________________________________________  
26  
 
7. If necessary, turn on the IR-illuminator (6)  
(Fig.2) (Special order only). NVS-33 is protected  
against accidental illuminator switch by the  
design of the switch handle. Press and rotate the  
switch (5) (Fig.2) to activate the illuminator.  
Divergence of IR beam could be changed from 5  
to 20 degree by rotating of the IR lens.  
The sight is not necessarily equipped with the IR  
illuminator. Your sight configuration is determined  
by your order. Working with IR illuminator can  
potentially disclose your location to the other side.  
8. The fire adjustment of the combination daytime  
riflescope / night vision attachment should be  
performed in accordance with the instructions of  
the fire adjustment of the daytime riflescope.  
9. Turn off the switch (5) (Fig.2) after work is over.  
10. Close the objective lens cover.  
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27  
 
When mounted in front of the daytime riflescope,  
night vision attachment NVS-33 can change zeroing  
as not more than 3 cm at 100 m. This is connected  
with changes in the weapon balance, light distortions  
in the image intensifier tube, technological limits of  
the adjustment of the night riflescope attachment. This  
imprecision usually appears as fixed value and can be  
easily compensated by the adjustment mechanism of  
the daytime riflescope.  
We recommend you to make 10-15 shots with the  
mounted NVS-33 before practical using it in field  
conditions. Such test will check NVS-33 by a real  
shooting impact and thus will increase reliability of  
the whole system.  
DO NOT FORGET TO TURN OFF THE NIGHT  
VISION RIFLESCOPE ATACHMENT AFTER USE!  
__________________________________________  
28  
 
6.6.  
Use in a dark time as a 2x night vision  
monocular  
Operation procedure:  
1. Screw the optional М-540 optical monocular into  
the eyepiece of the NVS-33 night vision  
attachment.  
2. Open the objective lens cover (9) (Fig.1).  
3. Turn the switch (5) (Fig.1) of the device into ON  
position. You should see a yellowish-green light  
through the eyepiece of a daytime riflescope (the  
device works in passive mode).  
4. Choose the object of observation.  
5. If necessary, turn on the IR-illuminator (5)  
(Fig.2) (Special order only) as described above  
(the device works in active mode).  
6. Turn off the switch (5) (Fig.1) after work is over.  
7. Close the objective lens cover.  
__________________________________________  
29  
 
6.7.  
Operation with remote control  
1
2
3 4  
5
6
7
Fig. 7  
1 – On/Off switch  
2 – Female connector for the remote control  
3 – The start button of the remote control  
4 – Remote control body  
5 – The start button of the IR illuminator  
(Special order only)  
6 – Fixating band  
7 – Remote control cable  
__________________________________________  
30  
 
The NVS-33 night vision attachment has the capability of  
operation with the external remote control that turns on  
and off the device itself and its IR illuminator.  
Operation procedure:  
1. Insert the jack of the remote control into the  
female connector (2) (Fig.7).  
2. Fix the remote control (4) (Fig.7) on the weapon  
by the fixating band (6) (Fig.7) in the  
comfortable place on the butt.  
3. Press and release the button (3) (Fig.7) to turn  
the device on.  
4. Press and release the button (5) (Fig.7) to turn  
the IR illuminator (Special order only) on. The  
power of the IR illuminator corresponds to the  
position of the switch (1) (Fig.7).  
5. Next press and release of the buttons (3) (Fig.7)  
and (5) (Fig.7) will toggle the controlled  
functions.  
__________________________________________  
31  
 
7. STORAGE AND MAINTENANCE  
WARNING!  
If NVS-33 has been stored for a long time at  
temperature lower than -40C (-40F), then prior  
to using the device must be kept at an ambient  
temperature of -10C (14F) to +40C (104F)  
with humidity below 80%.  
NVS-33 is a sophisticated precise optical instrument  
equipped with electronics. It should be handled with due  
care:  
Unit contains fragile components and sensitive optics.  
Avoid impacts, dust, moisture and sharp changes of  
temperature.  
Do not touch the optical surfaces other than for  
cleaning. Doing so may damage the anti-reflection  
coating.  
Clean optical surfaces with professional lens cleaning  
supplies.  
Use only soft clean cloth to clean the exterior of the  
device.  
__________________________________________  
32  
 
Keep away from sources of heat, such as heating  
appliances, sunlight or central heating. Do not keep  
the device at temperatures higher than 60oC (140oF).  
Switch off the unit and remove the batteries during the  
extended periods of non-operation.  
Do not apply excessive force or pressure to the lens  
assembly, this may damage fragile elements and  
thread connections.  
Small dark and/or white marks may be seen in the  
field of view. This does not affect the operational  
capabilities of the device.  
Do not remove the cover from the lens other than for  
night-time operation.  
__________________________________________  
33  
 
8. TROUBLESHOOTING  
.
The scope does not turn on  
Check whether the batteries are installed properly. Check  
the charge of the batteries. Replace if they are weak. Do  
not mix old batteries with new ones.  
.
The target does not appear in focus  
Bring the target to the center of the image. By turning the  
knob 7 (Fig.1) achieve the clearest target acquisition on  
the screen. If NVS-33 is used with daytime scope re-focus  
it. Repeat the focusing of NVS-33 and scope if necessary.  
If the image still does not seem to be in focus, clean the  
lenses. They could be foggy or dusty.  
.
Image has disappeared  
If the objective lens of switched on NVS-33 are exposed  
to bright light it automatically shuts off to protect the  
image intensifier tube from overload. When it happens,  
turn the unit off, wait for a few seconds and turn it on  
again.  
If the image has been lost at the moment of a shot, check  
contacts in the battery compartment.  
__________________________________________  
34  
 
.
Condensation accumulates on the parts  
In order to avoid misting of the eyepiece lens at cold use  
the special protective cover.  
.
Black dots on the screen  
These are some blemishes in the image intensifier, which  
do not affect the performance or reliability of a night  
vision device. Blemishes may vary in size and number;  
they are inherent in the manufacturing process. Most of  
them are seen in the daytime only and become almost  
invisible during the night time.  
9. WARRANTY  
NEWCON warrants this product against defects in  
materials and workmanship for one year from the date of  
the original purchase. Longer warranty is available,  
subject to the terms of the specific sales contract. Should  
your Newcon product prove to be defective during this  
period, please deliver the product securely packaged in its  
original container or an equivalent, along with the proof  
of the original purchase date, to your Newcon Dealer.  
Newcon will repair (or, at its option, replace with the  
same or comparable model), the product or part thereof,  
__________________________________________  
35  
 
which, on inspection by Newcon, is found to be defective  
in materials or workmanship.  
What This Warranty Does Not Cover:  
NEWCON is not responsible for warranty service should  
the product fail as a result of improper maintenance,  
misuse, abuse, improper installation, neglect, damage  
caused by disasters such as fire, flooding, lightning,  
improper power supply, or service other than by a  
NEWCON Authorized Service.  
Postage, insurance and shipping costs incurred while  
presenting your NEWCON product for warranty service  
are your responsibility.  
If shipping from North America please include a cheque  
or money order payable to NEWCON OPTIK for the  
amount of $25.00 to cover handling and return shipping.  
__________________________________________  
36  
 
10. CUSTOMER SUPPORT  
Should you experience any difficulties with your Newcon  
Optik product, please, consult this manual first.  
If the problem remains, contact our customer support  
department at +1(416) 663-6963 or toll free at 1-877-368-  
6666 (North America only). Our operating hours are  
9am-5pm, Monday - Friday, Eastern Standard Time.  
Under no circumstances should the equipment be  
sent to Newcon without authorisation from our  
technical support department.  
Newcon accepts no responsibility for unauthorized  
returns.  
To locate NEWCON Authorized Dealer call +1(416)  
663-6963 or  
fax +1(416) 663-9065  
The defective products should be shipped to:  
US Customers:  
2331 Superior Ave. Cleveland, OH 44114, USA  
From all other countries:  
105 Sparks Ave., Toronto ON, M2H 2S5, CANADA  
__________________________________________  
37  
 
11. ACCEPTANCE CERTIFICATE  
Image Intensifier Tube serial number:  
_____________________________________________  
Minimum  
Measured  
Resolution, lines/mm  
57  
500  
Photocathode sensitivity,  
integral, A/lm  
Light gain  
35000  
Date of production:  
_____________________________________________  
Quality Inspector’s signature:  
_____________________________________________  
__________________________________________  
38  
 
Unit serial number:  
_____________________________________________  
The unit complies with all technical specifications and  
has passed the inspection.  
Date of production:  
_____________________________________________  
Quality Inspector’s signature:  
_____________________________________________  
Quality Assurance Seal  
__________________________________________  
39  
 
NEWCON OPTIK2010  
Printed in Canada  
__________________________________________  
40  
 

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