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Operation Manual
NIGHT VISION
MONOCULAR / GOGGLES
NVS 14-3GCS
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 expose objective lens of an active unit to bright light, including daylight. In the daytime objective lens must be covered
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Precautions NVS 14-3GCS is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care: 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 the unit away from sources of heat, such as heating appliances, sunlight or central heating. Switch off
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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 parame
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6.13 Using the camera / video adapter ........................ 17 6.14 Using the helmet mount ...................................... 18 6.15 Mounting on a rifle ............................................. 19 6.16 Using with a daytime riflescope .......................... 20 6.17 Binocular configuration ...................................... 21 7. TROUBLESHOOTING ................................................. 23 7.1 No green light through eyepieces ........................ 23 7
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1. OVERVIEW NVS 14-3GCS (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 3 image intensifier tube, which amplifies low light, such as moonlight, starlight or man-made light. The unit is waterproof to the depth of 20 meters. An 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
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Optional helmet mount allows combatant operations Optional weapon mount allows night shooting or also be used in conjunction with halosight Optional bridge allows combining two monoculars into a binocular configuration Supreme waterproof design (20 meter deep immersion for 30 minutes) Soft rubber eyecup makes viewing comfortable Unit can be connected to photo or video camera Please read all the instructions carefully before using it. Manufacturer reserves the right to i
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2. DELIVERY SET Standard* Delivery Set includes: Quantity NVS 14-3GCS unit 1 Arm mount 1 Headgear set 1 Lens cap / Battery cover 1 Manual 1 Lens cleaning kit 2 Carrying bag (soft) 1 AA Battery 1 Warranty card 1 2.1 Optional accessories US clip mount NVS Bridge Demist shield Hard case Sacrificial window Lens brush 3x add-on lens Camera / video adapter 5x add-on lens Helmet mount Weapon mount *Exact Delivery Set is subject to the specific contract terms. 5
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3. SPECIFICATIONS NVS 14-3GCS NVS 14-3GCS 1x lens 3x lens Magnification 1x 3x Field of view 40 13 Focus range, m 0.25- 3- Exit pupil diameter, mm 20 Eye relief, mm 25 Dioptric correction 5 3V CR-123 Lithium battery, 1 pc. or Power supply 1.5 V AA Alkaline battery, 1 pc. 20 hours with I/R Battery life, hours 40 hours without I/R Size, mm 118x48x69 198x60x69 Weight, monocular only, g 300 540 NOTE: Due to continuous design improvements parameters may vary from
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4. UNIT DESIGN 5 4 8 9 3 6 7 2 1 FIGURE 1 1. On / Off and IR illuminator switch 6. Battery compartment cover with battery type adapter 2. Objective lens cap 7. Battery compartment 3. Objective lens 8. Dovetail platform 4. Eyepiece with eyecup 9. Manual gain adjustment knob 5. NVS 14-3GCS housing 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, GaAs 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. SEE THE NEXT PAGE FOR DETAILS 8
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5.1 Main parameters Generation 3 ITT Model N3XT3631IC ITT Resolution, min 64 lp/mm Photocathode operating diameter, mm 17.5 Photocathode type GaAs Photocathode sensitivity, min: Integral, A/ 1800 lm, min Spectral at 180 = 850 nm, mA/W, min Tube light amplification, fl/fc, min 50,000 Image magnification 1 EBI, µlx, max 0.25 Signal-to-noise ratio (SNR), min 23 Current consumption, mA, max 25 Manual gain adjustment range, % 20-100 Voltage, V 2.8 0.8 Length, mm 31.1 Diamet
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5.2 Spatial frequency-contrast characteristics (MTF) Frequency, lp/mm 2.5 0.88 7.5 0.72 15.0 0.50 5.3 Field of view cleanness SPOTS DIAMETER ZONE 1 ZONE 2 ZONE 3 Ø5.6MM Ø5.6-Ø14.7MM Ø14.7-Ø17.5MM IN MICRONS > 230 0 0 0 150 - 230 0 1 1 75 - 150 0 1 2 10
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6. OPERATION INSTRUCTIONS 6.1 Installing battery Unit is supplied with uninstalled battery. Prior to installing the battery, make sure the switch (1, Fig.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 durability is doubled against the service time of conventional battery and provides better performance at low temperatures. To install battery unscrew the battery compartment cover (6, Fig.1). When
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battery ready and replace it on time. Bright red indicator reminds the user that the IR illuminator is on (for more details on illuminator see 6.9). In the daytime with lens cap on it is normal to observe a fuzzy image. Switching on the night vision device in the daytime is intended for testing purposes only. The rotating switch has four positions: “Off”, “Auto”, “On”, “IR”. In Auto mode the monocular FIGURE 2 will switch off automatically when IR illuminator indicator (red, turned
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6.5 Focusing To obtain a sharp image at some other distances adjust the lens focus (3, Fig. 1) leaving the 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 Manual gain adjustment NVS 14-3GCS monocular is equipped with the manual gain adjustment handle. The light gain of the Image Intensifier Tube is set to the level, at which it allows vie
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6 Technical drawing of US clip mount 1 2 3 5 4 6.7 Auto shut OFF at bright light The NVS 14-3GCS monocular has a built-in high light sensor located near the IR illuminator (2, Fig. 1). This sensor shuts the monocular off after about 45 second exposure to light exceeding -1 10 lux. To reset the monocular switch it off and then back on as described in 6.3 and 6.2. High-light shut-off feature does not mean that the unit will react to occasional flashes or bright spots. It protects the
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FIGURE 3 1. “Swing arm” mount 4. Unit groove 2. Grooved pad 5. Flip button 3. Locking knob 6. US clip mount The unit is attached to the headgear with a swing arm mount (1, Fig. 3). To attach the arm mount to the headgear loosen the tightening screw (8, Fig. 1) on headgear, slide helmet groove (2, Fig. 3) onto the rail, and then tighten the screw. To attach monocular to the arm turn the knob (3, Fig. 3), slide the arm groove (4, Fig.3) along the dovetail platform of the monocular (10, F
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In “Auto” position of the switch, the monocular will turn off automatically. Reverse the operation to return the unit to working position. 6.10 Using IR illuminator In case of insufficient light when observing a close object turn on the IR illuminator by turning the switch (1, Fig.1). Red indicator visible through the eyepiece will warn you when the IR illuminator is on. Note: The IR illuminator is visible to anybody equipped with a night vision device and can disclose the user’s pre
