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Operator’s Manual
NIGHT VISION
MONOCULAR / GOGGLES
NVS 14
2331 Superior Ave., Cleveland, OH 44114, USA
105 Sparks Ave., Toronto, ON, M2H 2S5, Canada
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IMPORTANT INFORMATION Read prior to activation. You have purchased a sophisticated electronic device. To operate it properly, please read this manual carefully. Ignoring operation procedures described in this manual will void your warranty. • NEVER disassemble the unit. This device contains a source of high voltage, which may be hazardous to your health. • NEVER open objective lens of an active unit in bright light, including daylight. At daytime objective lens must be covered by
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Precautions NVS 14 is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care: • Unit contains fragile components. 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 a soft clean cloth to clean the exterior of the device. • Keep away from
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TABLE OF CONTENTS 1. OVERVIEW .................................................................... 3 2. DELIVERY SET.............................................................. 5 2.1 Optional accessories.............................................. 5 3. SPECIFICATIONS.......................................................... 6 4. UNIT DESIGN................................................................. 7 5. IMAGE INTENSIFIER TUBE SPECIFICATIONS........ 8 5.1 Main parameters.....
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6.12 Demist shield and sacrificial window ................. 18 6.13 Using the helmet mount ...................................... 18 6.14 Mounting on a rifle ............................................. 20 6.15 Binocular configuration ...................................... 22 7. TROUBLESHOOTING................................................. 23 7.1 The device does not switch ON .......................... 23 7.2 Image is unclear .................................................. 23 7.3
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1. OVERVIEW NVS 14 (the Unit) is an optoelectronic monocular, intended for observation of objects and orientation at night or under dark conditions. The Unit is equipped with a generation 2+ or 3 image intensifier tube, which amplifies low light, such as moonlight, starlight or man-made light. Add-on lens can be attached to the Unit to increase magnification. Two Units can be combined to form a two-eye optical system with the help of an optional bridge. Unit can be mounted on a he
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• Flip/flop mechanism provides for unobstructed vision when the Unit is mounted on head gear or helmet • Optional bridge allows combining two monocular units into a binocular instrument • Waterproof design (2 meter deep immersion for 2 hours) • Soft rubber eyecup makes viewing comfortable • Unit can be connected to photo or video camera Please read all the instructions carefully before using. Manufacturer reserves the right to introduce minor design changes without notice. 4
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2. DELIVERY SET Standard* Delivery Set includes: Quantity NVS 14 unit 1 Arm mount 1 Head gear set 1 Lens cap / Battery cover 1 Manual 1 Lens cleaning kit 2 Carrying bag (soft) 1 AA Battery 1 2.1 Optional accessories US mount clip Bridge Demist shield Hard case Sacrificial window Lens brush 3x add-on lens Camera adapter 5x add-on lens Helmet mount Warranty card Weapon mount *Exact Delivery Set is subject to the specific contract terms. 5
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3. SPECIFICATIONS NVS 14 NVS 14 1x lens 3x lens Image intensifier tube 18 mm, standard ANVIS type Magnification 1x 3x Field of view 40 ° 13 ° Focus range, m 0.25- ∞ 3- ∞ Exit pupil diameter, mm 20 Eye relief, mm 30 Dioptric correction ± 5 3V CR-123 Lithium battery, 1 pc. or Power supply 1.5 V AA Alkaline battery, 1 pc. 40 hours with I/R Battery life, hours 80 hours without I/R Size, mm 115x42x62 202x64x72 Weight, monocular only, g 300 540 NOTE: Due to continuous design i
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4. UNIT DESIGN 5 9 8 6 1 4 7 FIGURE 1 10 3 2 1. On / Off and IR illuminator switch 6. Battery compartment cover with battery type adapter 2. Infrared illuminator and light sensor 7. Battery compartment 3. Objective lens with lens cup 8. Tightening screw 4. Eyepiece with eyecup 9. Release button 5. Head gear 10. Dove tail platform 7
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5. IMAGE INTENSIFIER TUBE SPECIFICATIONS The Unit utilizes a small size inverting image intensifier with direct image transfer. The tube contains a microchannel plate, multi-alkaline metal S-25 (NC tube type) or GaAs (N3 tube type) photocathode, yellow-green screen and built-in electronic high voltage DC to DC converter. The input window is made of flat surface glass. The output window is a concave fibre optics element with 180° image rotation. Both tube types are manufactured in t
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Image Intensifier type NCXT3631IC N3XT3631IC Signal-to-noise ratio (SNR), min 18-28 18-24 Current consumption, max, mA 25 30 Voltage, V 2.8 ±0.8 Length, mm 31.1 Diameter, mm 36.7 Tube life until parameters degrade, hrs 10,000 Storage time, years 15 Operating temperature range, °C -50…+55 5.2 Spatial frequency-contrast characteristics (MTF) Frequency, HD grade XT grade lp/mm (low resolution) (high resolution) 2.5 0.89 0.92 7.5 0.68 0.80 15.0 0.40 0.58 9
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5.3 Field of view cleanness Zone by Maximum diameter of defects Permitted total diameter, area of defects, 2 Neglected Permitted mm mm Qty ∅, mm 0 – 9.0 0.06 0.12 1 0.10 9.0 - 14.4 0.08 0.18 2 0.20 14.4 -18.0 0.10 0.20 2 0.35 10
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5.4 Schematic drawing 11
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6. OPERATION INSTRUCTIONS 6.1 Installing battery Unit is supplied with battery not installed. Prior to installing the battery, make sure the switch (1) is in the OFF position and the lens cap is on. The unit can operate on either AA Alkaline or CR-123 Lithium battery. Lithium battery provides approximately twice longer battery life and better performance at low temperatures. To install battery unscrew the battery compartment cover (6). When using CR-123 Lithium type battery, remov
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In daytime with lens cup on it is normal to observe a fuzzy image. Switching on night vision device in daytime is intended for testing purposes only. The rotating switch has four positions: “Off”, “Auto”, “On”, “IR”. In Auto mode the monocular will turn off automatically FIGURE 2 in the upright position. This mode saves battery IR illuminator indicator (red, life and allows avoiding left), Low battery indicator greenish shadow on the (yellow, right, optional) face, which may di
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the eyepiece screen focusing the eyepiece lens (4, Fig. 1) and then the objective lens (3, Fig. 1). 6.5 Focusing To obtain sharp image on other distance adjust the lens focus (3, Fig. 1) leaving eyepiece setting intact. You should be able to obtain a sharp image for distances from 2-10m to infinity. If you wear eyeglasses or NBC protective mask, you may like to fold the rubber eyecup. 6.6 Auto shut OFF at bright light The NVS14 monocular has a built-in high light sensor located nea
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6.7 Using the Unit with head gear or helmet The Unit is supplied with head gear (5, Fig. 1). Prior to using head gear adjust its straps so that the head gear fits head comfortably but firmly and does not slide when you are moving. The Unit is attached to the head gear with a swing arm mount (1, Fig. 3). To attach the arm mount to the head gear loosen the tightening screw (8, Fig. 1) on head gear, slide helmet groove (2, 6 Technical drawing of US clip mount 1 2 3 5 4 FIGURE 3 1. “S
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To set comfortable eye-relief (the distance between your eye and the eyepiece), loosen tightening screw (8, Fig. 1) on the head gear and move the unit, then tighten the locking screw. To use the Unit with PASGT head and helmet mount unscrew the grooved pad (2, Fig. 3) from the swing arm mount and screw on the US type clip (6, Fig. 3) instead using four screws (Fig. 3). US type helmet clip is optional and must be ordered specially. To switch between left and right eye, press the flip bu
